diff --git a/res/doc/screenshots/spectrum_analyzer_x1.png b/res/doc/screenshots/spectrum_analyzer_x1.png
index ed5e0fe..4a2a4cc 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x1.png and b/res/doc/screenshots/spectrum_analyzer_x1.png differ
diff --git a/res/doc/screenshots/spectrum_analyzer_x12.png b/res/doc/screenshots/spectrum_analyzer_x12.png
index c5bce7f..cdcf4cf 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x12.png and b/res/doc/screenshots/spectrum_analyzer_x12.png differ
diff --git a/res/doc/screenshots/spectrum_analyzer_x16.png b/res/doc/screenshots/spectrum_analyzer_x16.png
index ad8d65c..b15da78 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x16.png and b/res/doc/screenshots/spectrum_analyzer_x16.png differ
diff --git a/res/doc/screenshots/spectrum_analyzer_x2.png b/res/doc/screenshots/spectrum_analyzer_x2.png
index 8a8d60a..709327c 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x2.png and b/res/doc/screenshots/spectrum_analyzer_x2.png differ
diff --git a/res/doc/screenshots/spectrum_analyzer_x4.png b/res/doc/screenshots/spectrum_analyzer_x4.png
index b51209f..274b9cb 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x4.png and b/res/doc/screenshots/spectrum_analyzer_x4.png differ
diff --git a/res/doc/screenshots/spectrum_analyzer_x8.png b/res/doc/screenshots/spectrum_analyzer_x8.png
index 4718315..0bec563 100644
Binary files a/res/doc/screenshots/spectrum_analyzer_x8.png and b/res/doc/screenshots/spectrum_analyzer_x8.png differ
diff --git a/res/main/ui/analyzer/spectrum/x1.xml b/res/main/ui/analyzer/spectrum/x1.xml
index 417ddc8..4edb5c6 100644
--- a/res/main/ui/analyzer/spectrum/x1.xml
+++ b/res/main/ui/analyzer/spectrum/x1.xml
@@ -205,7 +205,7 @@
 
 			<!-- Metering -->
 			<group text="groups.metering" vexpand="true" bg.color="bg" ipadding="0">
-				<grid rows="19" cols="1" expand="true" vspacing="2">
+				<grid rows="21" cols="1" expand="true">
 					<ui:with bg.color="bg_schema">
 						<vbox width.min="107" padding="6">
 							<label text="labels.metering.preamp" pad.b="6"/>
@@ -215,9 +215,7 @@
 							</hbox>
 						</vbox>
 
-						<cell expand="false" bg.color="bg">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 
 						<vbox padding="6">
 							<label text="labels.metering.reactivity" width="58" pad.b="6"/>
@@ -227,9 +225,7 @@
 							</hbox>
 						</vbox>
 
-						<cell expand="false" bg.color="bg" visibility=":mode ile 1">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false" visibility=":mode ile 1"/>
 
 						<vbox visibility=":mode ile 1" padding="6">
 							<label text="labels.metering.selector" width="58" pad.b="6"/>
@@ -239,9 +235,7 @@
 							</hbox>
 						</vbox>
 
-						<cell expand="false" bg.color="bg">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 
 						<vbox padding="6">
 							<label text="labels.chan.shift" width="58" pad.b="6"/>
@@ -251,55 +245,48 @@
 							</hbox>
 						</vbox>
 
-						<cell expand="false" bg.color="bg">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 
 						<vbox padding="6">
-							<shmlink id="ret_0" value.maxlen="6" text.clip="true" hfill="true" />
-							<button ui:inject="Button_cyan" id="frz_0" text="labels.chan.hold" size="16" width="60"/>
+							<shmlink id="ret_0" value.maxlen="6" text.clip="true" hfill="true"/>
 						</vbox>
 
-						<cell expand="false" bg.color="bg" visibility=":mode ige 2">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+
+						<vbox padding="6">
+							<button ui:inject="Button_cyan" id="frz_0" text="labels.chan.hold" height="16" font.size="12" hfill="true"/>
+						</vbox>
+
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false" visibility=":mode ige 2"/>
 
 						<vbox visibility=":mode ige 2" padding="6">
-							<button ui:inject="Button_yellow" text="labels.log_scale" id="splog" size="16"/>
+							<button ui:inject="Button_yellow" text="labels.log_scale" id="splog" height="16" font.size="12" hfill="true"/>
 						</vbox>
 
-						<cell expand="false" bg.color="bg" visibility=":mode ige 2">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false" visibility=":mode ige 2"/>
 
 						<vbox visibility=":mode ige 2" padding="6">
 							<label text="labels.spectrogram" pad.b="6"/>
 							<combo id="spm"/>
 						</vbox>
 
-						<cell expand="false" bg.color="bg" visibility=":mode ige 2">
-							<hsep/>
-						</cell>
-
-						<void height.min="84" visibility=":mode ige 2" padding="6"/>
-
-						<cell expand="false" bg.color="bg" visibility=":mode ile 1">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false" visibility=":mode ile 1"/>
 
 						<vbox visibility=":mode ile 1" padding="6" vfill="false">
 							<label text="labels.metering.fft_frequency:hz" pad.b="6"/>
 							<indicator id="freq" format="f6.1!" tcolor="mono"/>
 						</vbox>
 
-						<cell expand="false" bg.color="bg" visibility=":mode ile 1">
-							<hsep/>
-						</cell>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false" visibility=":mode ile 1"/>
 
 						<vbox visibility=":mode ile 1" padding="6" vfill="false">
 							<label text="labels.metering.level:db" pad.b="6"/>
 							<indicator id="lvl" format="+-f5.1!" tcolor="mono"/>
 						</vbox>
+
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+
+						<void vexpand="true" height.min="8"/>
 					</ui:with>
 				</grid>
 			</group>
diff --git a/res/main/ui/analyzer/spectrum/x12.xml b/res/main/ui/analyzer/spectrum/x12.xml
index 8083c6c..eae8b86 100644
--- a/res/main/ui/analyzer/spectrum/x12.xml
+++ b/res/main/ui/analyzer/spectrum/x12.xml
@@ -1,5 +1,5 @@
 <plugin resizable="true">
-	<vbox spacing="4">
+	<vbox spacing="4" width.min="1055" height.min="716">
 		<!-- Head settings -->
 		<align halign="-1" fill="true">
 			<hbox pad.l="6" pad.r="6" pad.t="4" pad.b="4" spacing="8" fill="false" bg.color="bg_schema">
@@ -52,23 +52,32 @@
 						</ui:with>
 
 						<!-- Meshes -->
-						<mesh xi="0" yi="25"
-							id="spd" width="1"
-							color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5"
-							fill="true" visibility=":mtrack" />
+						<mesh xi="0" yi="25" id="spd" width="1" color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5" fill="true" visibility=":mtrack"/>
 						<ui:for id="i" first="0" count="12">
-							<mesh xi="0" yi="${:i + 13}"
-								id="spd" width="1"
-								color="graph_mesh_cycle" color.hue="${i} / 12.0" color.a="0.5"
-								fill.color="graph_mesh_cycle" fill.color.hue="${i} / 12.0" fill.color.a="0.9"
+							<mesh
+								xi="0"
+								yi="${:i + 13}"
+								id="spd"
+								width="1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 12.0"
+								color.a="0.5"
+								fill.color="graph_mesh_cycle"
+								fill.color.hue="${i} / 12.0"
+								fill.color.a="0.9"
 								fill="true"
-								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 						<ui:for id="i" first="0" count="12">
-							<mesh xi="0" yi="${:i + 1}"
-								id="spd" width=":lthick+1"
-								color="graph_mesh_cycle" color.hue="${i} / 12.0" color.a="0.2"
-								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+							<mesh
+								xi="0"
+								yi="${:i + 1}"
+								id="spd"
+								width=":lthick+1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 12.0"
+								color.a="0.2"
+								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 
 						<!-- Axis -->
@@ -394,8 +403,10 @@
 
 		<!-- Channel for metering configuration -->
 		<group text="groups.channels" visibility="(:mode ieq 0) or (:mode ieq 2)" spacing="4" bg.color="bg" ipadding="0">
-			<grid rows="8" cols="25" transpose="true" hspacing="2">
+			<grid rows="10" cols="25" transpose="true" hspacing="2">
 				<ui:with padding="6" bg.color="bg_schema">
+					<void/>
+					<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 					<void/>
 					<label text="labels.chan.correlation" pad.v="0"/>
 					<void padding="0"/>
@@ -407,16 +418,19 @@
 				</ui:with>
 
 				<ui:for id="i" first="0" count="12">
-					<cell rows="${8 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
+					<cell rows="${10 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
 						<vsep/>
 					</cell>
 
 					<ui:if test=":i % 2 ieq 0">
 						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
-							<vbox>
-								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true" />
-								<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
-							</vbox>
+							<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+						</cell>
+						<cell cols="3">
+							<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+						</cell>
+						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+							<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
 						</cell>
 						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
 							<hbox>
@@ -474,8 +488,10 @@
 		<!-- Channels for mastering -->
 		<hbox spacing="4" visibility="(:mode ine 0) and (:mode ine 2)">
 			<group text="groups.channels" expand="true" fill="true" spacing="4" bg.color="bg" ipadding="0">
-				<grid rows="5" cols="25" transpose="true" fill="true" hspacing="2">
+				<grid rows="7" cols="25" transpose="true" fill="true" hspacing="2">
 					<ui:with padding="6" bg.color="bg_schema">
+						<void/>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 						<label text="labels.channel" width.min="52"/>
 						<label text="labels.chan.hold"/>
 						<label text="labels.chan.shift"/>
@@ -485,15 +501,23 @@
 						<vbox>
 							<void bg.color="bg" height="4"/>
 							<hsep/>
-							<void bg.color="bg_schema" expand="true"/>
+							<void bg.color="bg_schema" expand="true" height.min="10"/>
 						</vbox>
 					</cell>
 
 					<ui:for id="i" first="0" last="11">
-						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
-							<cell rows="4" cols="1" expand="false" padding="0" bg.color="bg">
-								<vsep/>
+						<cell rows="${6 - (:i % 2) * 2}" cols="1" expand="false" padding="0" bg.color="bg">
+							<vsep/>
+						</cell>
+						<ui:if test=":i % 2 ieq 0">
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 							</cell>
+						</ui:if>
+						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
 							<ui:with bg.color="bg_schema">
 								<label text="labels.specials.idx" text:id="${:i+1}" width="44"/>
 								<button
diff --git a/res/main/ui/analyzer/spectrum/x16.xml b/res/main/ui/analyzer/spectrum/x16.xml
index e85f40b..29ad967 100644
--- a/res/main/ui/analyzer/spectrum/x16.xml
+++ b/res/main/ui/analyzer/spectrum/x16.xml
@@ -1,5 +1,5 @@
 <plugin resizable="true">
-	<vbox spacing="4">
+	<vbox spacing="4" width.min="1065" height.min="716">
 		<!-- Head settings -->
 		<align halign="-1" fill="true">
 			<hbox pad.l="6" pad.r="6" pad.t="4" pad.b="4" spacing="8" fill="false" bg.color="bg_schema">
@@ -393,8 +393,10 @@
 
 		<!-- Channel for metering configuration -->
 		<group text="groups.channels" visibility="(:mode ieq 0) or (:mode ieq 2)" vspacing="4" bg.color="bg" ipadding="0">
-			<grid rows="8" cols="33" transpose="true" hspacing="2">
+			<grid rows="10" cols="33" transpose="true" hspacing="2">
 				<ui:with padding="6" bg.color="bg_schema">
+					<void/>
+					<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 					<void/>
 					<label text="labels.chan.correlation" pad.v="0"/>
 					<void padding="0"/>
@@ -406,16 +408,19 @@
 				</ui:with>
 
 				<ui:for id="i" first="0" count="16">
-					<cell rows="${8 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
+					<cell rows="${10 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
 						<vsep/>
 					</cell>
 
 					<ui:if test=":i % 2 ieq 0">
 						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
-							<vbox>
-								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true" />
-								<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
-							</vbox>
+							<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+						</cell>
+						<cell cols="3">
+							<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+						</cell>
+						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+							<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
 						</cell>
 						<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
 							<hbox>
@@ -473,8 +478,10 @@
 		<!-- Channels for mastering -->
 		<hbox spacing="4" visibility="(:mode ine 0) and (:mode ine 2)">
 			<group text="groups.channels" expand="true" fill="true" spacing="4" bg.color="bg" ipadding="0">
-				<grid rows="5" cols="33" transpose="true" fill="true" hspacing="2">
+				<grid rows="7" cols="33" transpose="true" fill="true" hspacing="2">
 					<ui:with padding="6" bg.color="bg_schema">
+						<void/>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 						<label text="labels.channel"/>
 						<label text="labels.chan.hold"/>
 						<label text="labels.chan.shift"/>
@@ -484,15 +491,23 @@
 						<vbox>
 							<void bg.color="bg" height="4"/>
 							<hsep/>
-							<void bg.color="bg_schema" expand="true"/>
+							<void bg.color="bg_schema" expand="true" height.min="10"/>
 						</vbox>
 					</cell>
 
 					<ui:for id="i" first="0" last="15">
-						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
-							<cell rows="4" cols="1" expand="false" padding="0" bg.color="bg">
-								<vsep/>
+						<cell rows="${6 - (:i % 2) * 2}" cols="1" expand="false" padding="0" bg.color="bg">
+							<vsep/>
+						</cell>
+						<ui:if test=":i % 2 ieq 0">
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
 							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+							</cell>
+						</ui:if>
+						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
 							<ui:with bg.color="bg_schema">
 								<label text="labels.specials.idx" text:id="${:i+1}" width="43"/>
 								<button
diff --git a/res/main/ui/analyzer/spectrum/x2.xml b/res/main/ui/analyzer/spectrum/x2.xml
index b70ef25..7de3239 100644
--- a/res/main/ui/analyzer/spectrum/x2.xml
+++ b/res/main/ui/analyzer/spectrum/x2.xml
@@ -1,13 +1,16 @@
 <plugin resizable="true">
 	<vbox spacing="4">
 		<!-- Head settings -->
-		<align halign="-1" fill="true">
-			<hbox pad.l="6" pad.r="6" pad.t="4" pad.b="4" spacing="8" fill="false" bg.color="bg_schema">
-				<label text="labels.mode"/>
-				<combo id="mode"/>
-				<button pad.l="10" ui:inject="Button_cyan" text="actions.freeze" size="16" width="64" id="freeze"/>
-			</hbox>
-		</align>
+		<!-- <align halign="-1" fill="true"> -->
+		<hbox fill="true" bg.color="bg_schema">
+			<label text="labels.mode" pad.l="6" pad.v="4"/>
+			<combo id="mode" pad.h="6" pad.v="4"/>
+			<button ui:inject="Button_cyan" text="actions.freeze" size="16" width="64" id="freeze" pad.r="6" pad.v="4"/>
+			<vsep bg.color="bg" pad.h="2" hreduce="true" hexpand="false"/>
+			<shmlink id="ret_0" value.maxlen="6" text.clip="true" pad.h="6" font.size="10" pad.v="4"/>
+			<void hexpand="true" hfill="true"/>
+		</hbox>
+		<!-- </align> -->
 
 		<hbox expand="true" spacing="4">
 			<vbox spacing="4" expand="true">
@@ -51,30 +54,11 @@
 						</ui:with>
 
 						<!-- Meshes -->
-						<mesh xi="0" yi="5"
-							id="spd" width="1"
-							color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5"
-							fill="true" visibility=":mtrack" />
-						<mesh xi="0" yi="3"
-							id="spd" width="1"
-							color="left" color.a="0.5"
-							fill.color="left" fill.color.a="0.9"
-							fill="true"
-							visibility=":ctrack and :on_0" />
-						<mesh xi="0" yi="4"
-							id="spd" width="1"
-							color="right" color.a="0.5"
-							fill.color="right" fill.color.a="0.9"
-							fill="true"
-							visibility=":ctrack and :on_1" />
-						<mesh xi="0" yi="1"
-							id="spd" width=":lthick+1"
-							color="left" color.a="0.2"
-							visibility="on_0" />
-						<mesh xi="0" yi="2"
-							id="spd" width=":lthick+1"
-							color="right" color.a="0.2"
-							visibility="on_1" />
+						<mesh xi="0" yi="5" id="spd" width="1" color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5" fill="true" visibility=":mtrack"/>
+						<mesh xi="0" yi="3" id="spd" width="1" color="left" color.a="0.5" fill.color="left" fill.color.a="0.9" fill="true" visibility=":ctrack and :on_0"/>
+						<mesh xi="0" yi="4" id="spd" width="1" color="right" color.a="0.5" fill.color="right" fill.color.a="0.9" fill="true" visibility=":ctrack and :on_1"/>
+						<mesh xi="0" yi="1" id="spd" width=":lthick+1" color="left" color.a="0.2" visibility="on_0"/>
+						<mesh xi="0" yi="2" id="spd" width=":lthick+1" color="right" color.a="0.2" visibility="on_1"/>
 
 						<!-- Axis -->
 						<axis ui:id="main_graph_ox" angle="0.0" min="10" max="24000" color="graph_prim" log="true" visibility="false"/>
@@ -285,7 +269,7 @@
 						<combo id="lthick" visibility=":mode ilt 2"/>
 						<hbox fill="false" spacing="4" pad.h="4" visibility=":mode ilt 2">
 							<button ui:inject="Button_cyan" text="labels.history" id="mtrack" size="16"/>
-							<button ui:inject="Button_cyan" text="labels.signal.max" id="ctrack" size="16" />
+							<button ui:inject="Button_cyan" text="labels.signal.max" id="ctrack" size="16"/>
 							<button ui:inject="Button_cyan" text="labels.clear" id="mreset" size="16"/>
 						</hbox>
 
@@ -377,10 +361,9 @@
 					</grid>
 				</group>
 
-				<vbox>
-					<shmlink id="ret_0" value.maxlen="6" text.clip="true" hfill="true" />
-					<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_0" height="19" hfill="true" pad.v="4" pad.h="6"/>
-				</vbox>
+				<!-- <vbox> -->
+				<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_0" height="19" hfill="true" pad.v="4" pad.h="6"/>
+				<!-- </vbox> -->
 
 				<vbox vfill="false" bg.color="bg_schema" pad.v="4" pad.h="6">
 					<label text="labels.chan.correlation" pad.v="0"/>
diff --git a/res/main/ui/analyzer/spectrum/x4.xml b/res/main/ui/analyzer/spectrum/x4.xml
index e2a4980..bf139b3 100644
--- a/res/main/ui/analyzer/spectrum/x4.xml
+++ b/res/main/ui/analyzer/spectrum/x4.xml
@@ -52,23 +52,32 @@
 						</ui:with>
 
 						<!-- Meshes -->
-						<mesh xi="0" yi="9"
-							id="spd" width="1"
-							color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5"
-							fill="true" visibility=":mtrack" />
+						<mesh xi="0" yi="9" id="spd" width="1" color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5" fill="true" visibility=":mtrack"/>
 						<ui:for id="i" first="0" count="4">
-							<mesh xi="0" yi="${:i + 5}"
-								id="spd" width="1"
-								color="graph_mesh_cycle" color.hue="${i} / 4.0" color.a="0.5"
-								fill.color="graph_mesh_cycle" fill.color.hue="${i} / 4.0" fill.color.a="0.9"
+							<mesh
+								xi="0"
+								yi="${:i + 5}"
+								id="spd"
+								width="1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 4.0"
+								color.a="0.5"
+								fill.color="graph_mesh_cycle"
+								fill.color.hue="${i} / 4.0"
+								fill.color.a="0.9"
 								fill="true"
-								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 						<ui:for id="i" first="0" count="4">
-							<mesh xi="0" yi="${:i + 1}"
-								id="spd" width=":lthick+1"
-								color="graph_mesh_cycle" color.hue="${i} / 4.0" color.a="0.2"
-								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+							<mesh
+								xi="0"
+								yi="${:i + 1}"
+								id="spd"
+								width=":lthick+1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 4.0"
+								color.a="0.2"
+								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 
 						<!-- Axis -->
@@ -327,8 +336,10 @@
 
 		<hbox spacing="4" visibility="(:mode ieq 0) or (:mode ieq 2)">
 			<group text="groups.channels" spacing="4" bg.color="bg" ipadding="0" width.min="331" expand="true">
-				<grid rows="9" cols="9" transpose="true" hspacing="2">
+				<grid rows="10" cols="9" transpose="true" hspacing="2">
 					<ui:with padding="6" bg.color="bg_schema">
+						<void/>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 						<void/>
 						<label text="labels.chan.correlation" pad.v="0"/>
 						<void padding="0"/>
@@ -338,25 +349,21 @@
 						<label text="labels.chan.shift"/>
 						<label text="labels.chan.:db"/>
 					</ui:with>
-					<cell rows="1" cols="9" expand="false" hspacing="0" height="30" padding="0">
-						<vbox>
-							<void bg.color="bg" height="4"/>
-							<hsep/>
-							<void bg.color="bg_schema" expand="true"/>
-						</vbox>
-					</cell>
 
 					<ui:for id="i" first="0" count="4">
-						<cell rows="${8 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="red">
+						<cell rows="${10 - (:i % 2) * 5}" cols="1" expand="false" padding="0" bg.color="red">
 							<vsep/>
 						</cell>
 
 						<ui:if test=":i % 2 ieq 0">
 							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
-								<vbox>
-									<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true" />
-									<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
-								</vbox>
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+							</cell>
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
 							</cell>
 							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
 								<hbox>
@@ -504,8 +511,16 @@
 		<!-- Channels for mastering -->
 		<hbox spacing="4" visibility="(:mode ine 0) and (:mode ine 2)">
 			<group text="groups.channels" expand="true" fill="true" bg.color="bg" ipadding="0">
-				<grid rows="5" cols="7" fill="true" transpose="true" hspacing="2">
+				<grid rows="7" cols="7" fill="true" transpose="true" hspacing="2">
 					<ui:for id="i" first="0" last="3">
+						<ui:if test=":i % 2 ieq 0">
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+							</cell>
+						</ui:if>
 
 						<label
 							text="labels.chan.channel_n"
@@ -536,9 +551,11 @@
 								</hbox>
 								<label expand="true" bg.color="bg_schema"/>
 							</ui:with>
-							<cell rows="5" expand="false">
-								<vsep/>
-							</cell>
+							<ui:if test=":i ine 3">
+								<cell rows="${5 + (:i % 2) * 2}" expand="false">
+									<vsep/>
+								</cell>
+							</ui:if>
 						</ui:with>
 					</ui:for>
 				</grid>
diff --git a/res/main/ui/analyzer/spectrum/x8.xml b/res/main/ui/analyzer/spectrum/x8.xml
index cef4c35..e3dfc03 100644
--- a/res/main/ui/analyzer/spectrum/x8.xml
+++ b/res/main/ui/analyzer/spectrum/x8.xml
@@ -1,5 +1,5 @@
 <plugin resizable="true">
-	<vbox spacing="4">
+	<vbox spacing="4"  width.min="931" height.min="696">
 		<!-- Head settings -->
 		<align halign="-1" fill="true">
 			<hbox pad.l="6" pad.r="6" pad.t="4" pad.b="4" spacing="8" fill="false" bg.color="bg_schema">
@@ -52,28 +52,45 @@
 						</ui:with>
 
 						<!-- Meshes -->
-						<mesh xi="0" yi="17"
-							id="spd" width="1"
-							color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5"
-							fill="true" visibility=":mtrack" />
+						<mesh xi="0" yi="17" id="spd" width="1" color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5" fill="true" visibility=":mtrack"/>
 						<ui:for id="i" first="0" count="8">
-							<mesh xi="0" yi="${:i + 9}"
-								id="spd" width="1"
-								color="graph_mesh_cycle" color.hue="${i} / 8.0" color.a="0.5"
-								fill.color="graph_mesh_cycle" fill.color.hue="${i} / 8.0" fill.color.a="0.9"
+							<mesh
+								xi="0"
+								yi="${:i + 9}"
+								id="spd"
+								width="1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 8.0"
+								color.a="0.5"
+								fill.color="graph_mesh_cycle"
+								fill.color.hue="${i} / 8.0"
+								fill.color.a="0.9"
 								fill="true"
-								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+								visibility=":ctrack and (((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 						<ui:for id="i" first="0" count="8">
-							<mesh xi="0" yi="${:i + 1}"
-								id="spd" width=":lthick+1"
-								color="graph_mesh_cycle" color.hue="${i} / 8.0" color.a="0.2"
-								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))" />
+							<mesh
+								xi="0"
+								yi="${:i + 1}"
+								id="spd"
+								width=":lthick+1"
+								color="graph_mesh_cycle"
+								color.hue="${i} / 8.0"
+								color.a="0.2"
+								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
-						
+
 						<mesh xi="0" yi="1" id="spd" width="1" color="cyan" fill.color="cyan" fill.color.a="0.9" color.a="0.5" fill="true" visibility=":mtrack"/>
 						<ui:for id="i" first="0" count="8">
-							<mesh xi="0" yi="${:i + 2}" id="spd" width=":lthick+1" color="graph_mesh_cycle" color.a="0.2" color.hue="${i} / 8.0" visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
+							<mesh
+								xi="0"
+								yi="${:i + 2}"
+								id="spd"
+								width=":lthick+1"
+								color="graph_mesh_cycle"
+								color.a="0.2"
+								color.hue="${i} / 8.0"
+								visibility="(((:mode ieq 0) or (:mode ieq 2)) and (:on_${i})) or ((:mode ieq 1) or (:mode ieq 3) and ((:spc0 ieq ${i}) or (:spc1 ieq ${i})))"/>
 						</ui:for>
 
 						<!-- Axis -->
@@ -328,8 +345,10 @@
 		<!-- Channel for metering configuration -->
 		<hbox spacing="4" visibility="(:mode ieq 0) or (:mode ieq 2)">
 			<group text="groups.channels" spacing="4" bg.color="bg" ipadding="0">
-				<grid rows="9" cols="17" transpose="true" hspacing="2">
+				<grid rows="10" cols="17" transpose="true" hspacing="2">
 					<ui:with padding="6" bg.color="bg_schema">
+						<void/>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 						<void/>
 						<label text="labels.chan.correlation" pad.v="0"/>
 						<void padding="0"/>
@@ -339,25 +358,21 @@
 						<label text="labels.chan.shift"/>
 						<label text="labels.chan.:db"/>
 					</ui:with>
-					<cell rows="1" cols="17" expand="false" hspacing="0" height="30" padding="0">
-						<vbox>
-							<void bg.color="bg" height="4"/>
-							<hsep/>
-							<void bg.color="bg_schema" expand="true"/>
-						</vbox>
-					</cell>
 
 					<ui:for id="i" first="0" count="8">
-						<cell rows="${8 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
+						<cell rows="${10 - (:i % 2) * 3}" cols="1" expand="false" padding="0" bg.color="bg">
 							<vsep/>
 						</cell>
 
 						<ui:if test=":i % 2 ieq 0">
 							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
-								<vbox>
-									<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true" />
-									<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
-								</vbox>
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
+							</cell>
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<button bg.color="bg_schema" text="labels.chan.mid_side" id="ms_${:i idiv 2}" height="19" hfill="true"/>
 							</cell>
 							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
 								<hbox>
@@ -505,8 +520,10 @@
 		<!-- Channels for mastering -->
 		<hbox spacing="4" visibility="(:mode ine 0) and (:mode ine 2)">
 			<group text="groups.channels" expand="true" fill="true" spacing="4" bg.color="bg" ipadding="0">
-				<grid rows="5" cols="17" transpose="true" fill="true" hspacing="2">
+				<grid rows="7" cols="17" transpose="true" fill="true" hspacing="2">
 					<ui:with padding="6" bg.color="bg_schema">
+						<void/>
+						<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 						<label text="labels.channel"/>
 						<label text="labels.chan.hold"/>
 						<label text="labels.chan.shift"/>
@@ -516,15 +533,23 @@
 						<vbox>
 							<void bg.color="bg" height="4"/>
 							<hsep/>
-							<void bg.color="bg_schema" expand="true"/>
+							<void bg.color="bg_schema" expand="true" height.min="10"/>
 						</vbox>
 					</cell>
 
 					<ui:for id="i" first="0" last="7">
-						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
-							<cell rows="4" cols="1" expand="false" padding="0" bg.color="bg">
-								<vsep/>
+						<cell rows="${6 - (:i % 2) * 2}" cols="1" expand="false" padding="0" bg.color="bg">
+							<vsep/>
+						</cell>
+						<ui:if test=":i % 2 ieq 0">
+							<cell cols="3" pad.h="6" pad.v="4" bg.color="bg_schema">
+								<shmlink id="ret_${:i idiv 2}" value.maxlen="6" text.clip="true" hfill="true"/>
+							</cell>
+							<cell cols="3">
+								<hsep bg.color="bg" pad.v="2" vreduce="true" vexpand="false"/>
 							</cell>
+						</ui:if>
+						<ui:with bg.color="bg_schema" bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : 0.75" bg.bright="(:spc0 ieq ${i}) or ((:spc1 ieq ${i}) and (:mode ine 4)) ? 1.0 : :const_bg_darken">
 							<ui:with bg.color="bg_schema">
 								<label text="labels.specials.idx" text:id="${:i+1}"/>
 								<button