diff --git a/packages/frontend/assets/room/objects/aroma-read-diffuser/aroma-read-diffuser.blend b/packages/frontend/assets/room/objects/aroma-reed-diffuser/aroma-reed-diffuser.blend
similarity index 100%
rename from packages/frontend/assets/room/objects/aroma-read-diffuser/aroma-read-diffuser.blend
rename to packages/frontend/assets/room/objects/aroma-reed-diffuser/aroma-reed-diffuser.blend
diff --git a/packages/frontend/assets/room/objects/aroma-read-diffuser/aroma-read-diffuser.glb b/packages/frontend/assets/room/objects/aroma-reed-diffuser/aroma-reed-diffuser.glb
similarity index 100%
rename from packages/frontend/assets/room/objects/aroma-read-diffuser/aroma-read-diffuser.glb
rename to packages/frontend/assets/room/objects/aroma-reed-diffuser/aroma-reed-diffuser.glb
diff --git a/packages/frontend/assets/room/objects/aroma-read-diffuser/label.af b/packages/frontend/assets/room/objects/aroma-reed-diffuser/label.af
similarity index 100%
rename from packages/frontend/assets/room/objects/aroma-read-diffuser/label.af
rename to packages/frontend/assets/room/objects/aroma-reed-diffuser/label.af
diff --git a/packages/frontend/assets/room/objects/aroma-read-diffuser/textures/label.png b/packages/frontend/assets/room/objects/aroma-reed-diffuser/textures/label.png
similarity index 100%
rename from packages/frontend/assets/room/objects/aroma-read-diffuser/textures/label.png
rename to packages/frontend/assets/room/objects/aroma-reed-diffuser/textures/label.png
diff --git a/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.blend b/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.blend
new file mode 100644
index 0000000000..54976724b0
Binary files /dev/null and b/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.blend differ
diff --git a/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.glb b/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.glb
new file mode 100644
index 0000000000..d7719e0d41
Binary files /dev/null and b/packages/frontend/assets/room/objects/monitor-speaker/monitor-speaker.glb differ
diff --git a/packages/frontend/assets/room/objects/speaker/speaker.blend b/packages/frontend/assets/room/objects/speaker/speaker.blend
index 0479c5f9e4..ef277ada66 100644
Binary files a/packages/frontend/assets/room/objects/speaker/speaker.blend and b/packages/frontend/assets/room/objects/speaker/speaker.blend differ
diff --git a/packages/frontend/assets/room/objects/speaker/speaker.glb b/packages/frontend/assets/room/objects/speaker/speaker.glb
index 378248334d..0b981461e3 100644
Binary files a/packages/frontend/assets/room/objects/speaker/speaker.glb and b/packages/frontend/assets/room/objects/speaker/speaker.glb differ
diff --git a/packages/frontend/src/utility/room/object-defs.ts b/packages/frontend/src/utility/room/object-defs.ts
index dc10e59030..bd09ab8168 100644
--- a/packages/frontend/src/utility/room/object-defs.ts
+++ b/packages/frontend/src/utility/room/object-defs.ts
@@ -6,7 +6,7 @@
 import { a4Case } from './objects/a4Case.js';
 import { aircon } from './objects/aircon.js';
 import { aquarium } from './objects/aquarium.js';
-import { aromaReadDiffuser } from './objects/aromaReadDiffuser.js';
+import { aromaReedDiffuser } from './objects/aromaReedDiffuser.js';
 import { banknote } from './objects/banknote.js';
 import { bed } from './objects/bed.js';
 import { blind } from './objects/blind.js';
@@ -27,6 +27,7 @@ import { letterCase } from './objects/letterCase.js';
 import { milk } from './objects/milk.js';
 import { mixer } from './objects/mixer.js';
 import { monitor } from './objects/monitor.js';
+import { monitorSpeaker } from './objects/monitorSpeaker.js';
 import { monstera } from './objects/monstera.js';
 import { mug } from './objects/mug.js';
 import { openedCardboardBox } from './objects/openedCardboardBox.js';
@@ -53,7 +54,7 @@ export const OBJECT_DEFS = [
 	a4Case,
 	aircon,
 	aquarium,
-	aromaReadDiffuser,
+	aromaReedDiffuser,
 	banknote,
 	bed,
 	blind,
@@ -74,6 +75,7 @@ export const OBJECT_DEFS = [
 	milk,
 	mixer,
 	monitor,
+	monitorSpeaker,
 	monstera,
 	mug,
 	openedCardboardBox,
diff --git a/packages/frontend/src/utility/room/objects/aromaReadDiffuser.ts b/packages/frontend/src/utility/room/objects/aromaReedDiffuser.ts
similarity index 92%
rename from packages/frontend/src/utility/room/objects/aromaReadDiffuser.ts
rename to packages/frontend/src/utility/room/objects/aromaReedDiffuser.ts
index cca61477d5..d55f330e51 100644
--- a/packages/frontend/src/utility/room/objects/aromaReadDiffuser.ts
+++ b/packages/frontend/src/utility/room/objects/aromaReedDiffuser.ts
@@ -6,9 +6,9 @@
 import * as BABYLON from '@babylonjs/core';
 import { defineObject } from '../engine.js';
 
-export const aromaReadDiffuser = defineObject({
-	id: 'aromaReadDiffuser',
-	name: 'Aroma Read Diffuser',
+export const aromaReedDiffuser = defineObject({
+	id: 'aromaReedDiffuser',
+	name: 'Aroma Reed Diffuser',
 	options: {
 		schema: {
 			bottleColor: {
diff --git a/packages/frontend/src/utility/room/objects/monitorSpeaker.ts b/packages/frontend/src/utility/room/objects/monitorSpeaker.ts
new file mode 100644
index 0000000000..472c86ffd8
--- /dev/null
+++ b/packages/frontend/src/utility/room/objects/monitorSpeaker.ts
@@ -0,0 +1,42 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as BABYLON from '@babylonjs/core';
+import { defineObject } from '../engine.js';
+
+export const monitorSpeaker = defineObject({
+	id: 'monitorSpeaker',
+	name: 'Monitor Speaker',
+	options: {
+		schema: {
+			color: {
+				type: 'color',
+				label: 'Color',
+			},
+		},
+		default: {
+			color: [0, 0, 0],
+		},
+	},
+	placement: 'top',
+	createInstance: ({ options, root }) => {
+		const bodyMesh = root.getChildMeshes().find(m => m.name.includes('__X_BODY__')) as BABYLON.Mesh;
+		const bodyMaterial = bodyMesh.material as BABYLON.PBRMaterial;
+
+		const applyColor = () => {
+			const [r, g, b] = options.color;
+			bodyMaterial.albedoColor = new BABYLON.Color3(r, g, b);
+		};
+
+		applyColor();
+
+		return {
+			onOptionsUpdated: ([k, v]) => {
+				applyColor();
+			},
+			interactions: {},
+		};
+	},
+});
diff --git a/packages/frontend/src/utility/room/objects/speaker.ts b/packages/frontend/src/utility/room/objects/speaker.ts
index 27952d71ae..403e60b543 100644
--- a/packages/frontend/src/utility/room/objects/speaker.ts
+++ b/packages/frontend/src/utility/room/objects/speaker.ts
@@ -11,30 +11,45 @@ export const speaker = defineObject({
 	name: 'Speaker',
 	options: {
 		schema: {
-			color: {
+			outerColor: {
 				type: 'color',
-				label: 'Color',
+				label: 'Outer Color',
+			},
+			innerColor: {
+				type: 'color',
+				label: 'Inner Color',
 			},
 		},
 		default: {
-			color: [0, 0, 0],
+			outerColor: [0.45, 0.8, 0],
+			innerColor: [0, 0, 0],
 		},
 	},
 	placement: 'top',
 	createInstance: ({ options, root }) => {
-		const bodyMesh = root.getChildMeshes().find(m => m.name.includes('__X_BODY__')) as BABYLON.Mesh;
-		const bodyMaterial = bodyMesh.material as BABYLON.PBRMaterial;
+		const outerMesh = root.getChildMeshes().find(m => m.name.includes('__X_COVER__')) as BABYLON.Mesh;
+		const outerMaterial = outerMesh.material as BABYLON.PBRMaterial;
 
-		const applyColor = () => {
-			const [r, g, b] = options.color;
-			bodyMaterial.albedoColor = new BABYLON.Color3(r, g, b);
+		const innerMesh = root.getChildMeshes().find(m => m.name.includes('__X_BODY__')) as BABYLON.Mesh;
+		const innerMaterial = innerMesh.material as BABYLON.PBRMaterial;
+
+		const applyOuterColor = () => {
+			const [r, g, b] = options.outerColor;
+			outerMaterial.albedoColor = new BABYLON.Color3(r, g, b);
 		};
 
-		applyColor();
+		const applyInnerColor = () => {
+			const [r, g, b] = options.innerColor;
+			innerMaterial.albedoColor = new BABYLON.Color3(r, g, b);
+		};
+
+		applyOuterColor();
+		applyInnerColor();
 
 		return {
 			onOptionsUpdated: ([k, v]) => {
-				applyColor();
+				applyOuterColor();
+				applyInnerColor();
 			},
 			interactions: {},
 		};