diff --git a/config/dot/quickshell/config/PreferenceSchema.qml b/config/dot/quickshell/config/PreferenceSchema.qml
index 1d5a373..c3fbb63 100644
--- a/config/dot/quickshell/config/PreferenceSchema.qml
+++ b/config/dot/quickshell/config/PreferenceSchema.qml
@@ -91,6 +91,12 @@ Singleton {
             label: "Automatically hide the Dock",
             detail: "Reveal it at the bottom edge when a workspace is occupied"
         },
+        {
+            key: "dockIconSize", type: "int", def: 48, min: 32, max: 80, step: 4,
+            unit: "px", group: "dock",
+            label: "Icon size",
+            detail: "How large the Dock's application icons are drawn"
+        },
         {
             key: "dockRevealDelayMs", type: "int", def: 0, min: 0, max: 1000, step: 25,
             unit: "ms",
diff --git a/config/dot/quickshell/config/Theme.qml b/config/dot/quickshell/config/Theme.qml
index ab4daa2..db3452c 100644
--- a/config/dot/quickshell/config/Theme.qml
+++ b/config/dot/quickshell/config/Theme.qml
@@ -126,7 +126,7 @@ Singleton {
     readonly property int barGap: 6 // breathing room below the bar for popovers
     readonly property int barSideMargin: 10 // inset for floating popovers
 
-    readonly property int dockIconSize: 48
+    readonly property int dockIconSize: DesktopPreferences.get("dockIconSize")
     readonly property int dockPadding: 8
     readonly property int dockGap: 8
     readonly property int dockRadius: 20
diff --git a/config/dot/quickshell/modules/settings/DesktopPage.qml b/config/dot/quickshell/modules/settings/DesktopPage.qml
index 30828f6..1cedd44 100644
--- a/config/dot/quickshell/modules/settings/DesktopPage.qml
+++ b/config/dot/quickshell/modules/settings/DesktopPage.qml
@@ -22,7 +22,8 @@ SettingsPage {
 
         ToggleRow { setting: "dockAutohide" }
         SliderRow { setting: "dockRevealDelayMs"; zeroLabel: "Instant" }
-        SliderRow { setting: "dockHideDelayMs"; zeroLabel: "Instant"; divider: false }
+        SliderRow { setting: "dockHideDelayMs"; zeroLabel: "Instant" }
+        SliderRow { setting: "dockIconSize"; divider: false }
     }
 
     SettingsCard {
diff --git a/config/dot/quickshell/modules/settings/SoundDeviceRow.qml b/config/dot/quickshell/modules/settings/SoundDeviceRow.qml
index 2fc5cfa..3188140 100644
--- a/config/dot/quickshell/modules/settings/SoundDeviceRow.qml
+++ b/config/dot/quickshell/modules/settings/SoundDeviceRow.qml
@@ -89,13 +89,27 @@ Rectangle {
             }
         }
 
-        SettingsButton {
-            id: useButton
+        Row {
             anchors.verticalCenter: parent.verticalCenter
-            width: root.selected ? 78 : 64
-            text: root.selected ? "Default" : "Use"
-            enabled: !root.selected
-            onClicked: AudioDevices.select(root.output, root.node)
+            spacing: 7
+
+            // Outputs only. Testing an input would mean recording and playing
+            // it back, which is a different thing than this button implies.
+            SettingsButton {
+                anchors.verticalCenter: parent.verticalCenter
+                visible: root.output
+                text: "Test"
+                onClicked: SoundTest.play(root.node)
+            }
+
+            SettingsButton {
+                id: useButton
+                anchors.verticalCenter: parent.verticalCenter
+                width: root.selected ? 78 : 64
+                text: root.selected ? "Default" : "Use"
+                enabled: !root.selected
+                onClicked: AudioDevices.select(root.output, root.node)
+            }
         }
     }
 
diff --git a/config/dot/quickshell/services/SoundTest.qml b/config/dot/quickshell/services/SoundTest.qml
new file mode 100644
index 0000000..1930d59
--- /dev/null
+++ b/config/dot/quickshell/services/SoundTest.qml
@@ -0,0 +1,40 @@
+pragma Singleton
+
+// Playing a short sound out of one chosen output.
+//
+// Deliberately not part of AudioDevices, which owns device state through the
+// Quickshell PipeWire bindings and must not shell out -- doing so there would
+// race the service that owns those same objects. This spawns a short-lived
+// playback client instead: it creates its own stream and mutates no device, so
+// there is nothing for it to race.
+//
+// It exists because nine outputs named after their chipsets cannot be told
+// apart by reading. The only way to know which is which is to hear one.
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    // A short, unmistakable, front-and-centre sample that ships with the
+    // freedesktop sound theme, so nothing has to be bundled.
+    readonly property string sample:
+        "/usr/share/sounds/freedesktop/stereo/audio-channel-front-center.oga"
+
+    readonly property bool playing: player.running
+
+    // Targeted by node name taken straight from the live node. pw-play falls
+    // back to the default output for a target it cannot find, so a stale name
+    // would play out of the wrong device and look like the test had worked.
+    function play(node: var): void {
+        const target = String(node?.name ?? "");
+        if (target === "" || player.running)
+            return;
+        player.command = ["pw-play", "--target", target, root.sample];
+        player.running = true;
+    }
+
+    Process { id: player }
+}
diff --git a/config/local/share/vicinae/scripts/settings-desktop.sh b/config/local/share/vicinae/scripts/settings-desktop.sh
index db741c0..222de00 100755
--- a/config/local/share/vicinae/scripts/settings-desktop.sh
+++ b/config/local/share/vicinae/scripts/settings-desktop.sh
@@ -5,6 +5,6 @@
 # @vicinae.mode silent
 # @vicinae.icon ../../icons/hicolor/scalable/apps/panama-settings.svg
 # @vicinae.description Open Desktop & Dock in Settings.
-# @vicinae.keywords ["settings", "automatically hide the dock", "reveal delay", "hide delay", "focus session length", "resize by dragging the border", "border grab area", "show the resize cursor", "snap distance between windows", "snap distance to screen edges", "snapping respects gaps", "master area size", "master area position"]
+# @vicinae.keywords ["settings", "automatically hide the dock", "icon size", "reveal delay", "hide delay", "focus session length", "resize by dragging the border", "border grab area", "show the resize cursor", "snap distance between windows", "snap distance to screen edges", "snapping respects gaps", "master area size"]
 
 exec "$HOME/.config/quickshell/scripts/panama-action" settings-page desktop
diff --git a/docs/settings.md b/docs/settings.md
index 043f140..0fec546 100644
--- a/docs/settings.md
+++ b/docs/settings.md
@@ -4,7 +4,7 @@
 Do not edit this file. Run `quickshell/scripts/panama-settings-docs`
 after changing the schema; a contract fails when this copy is stale.
 
-131 settings across 27 groups. 67 of them are applied to the compositor and confirmed by reading the value back.
+132 settings across 27 groups. 67 of them are applied to the compositor and confirmed by reading the value back.
 
 ## accessibility
 
@@ -66,6 +66,7 @@ Found on **Desktop & Dock**.
 | Setting | Default | What it does |
 |---|---|---|
 | **Automatically hide the Dock**<br>`dockAutohide` | true | Reveal it at the bottom edge when a workspace is occupied |
+| **Icon size**<br>`dockIconSize` | 48 px | How large the Dock's application icons are drawn. Range 32–80. |
 | **Reveal delay**<br>`dockRevealDelayMs` | 0 ms | Zero reveals the Dock the instant the pointer reaches the edge. Range 0–1000. |
 | **Hide delay**<br>`dockHideDelayMs` | 250 ms | Prevents flicker when crossing between icons. Range 0–2000. |
 | **Pinned applications**<br>`dockPinned` | [ | Applications that stay in the Dock whether or not they are running |