1. Product Overview
The Inwa MZ-631M is a versatile USB-powered speaker bar designed for desktop PCs and laptops. It features stereo sound with enhanced bass, a detachable microphone with Acoustic Echo Cancellation (AEC) technology, and flexible mounting options including a monitor clip. It connects via a single USB cable for both audio and power, supporting USB-A and USB-C connections.

Figure 1: Inwa MZ-631M USB Computer Speaker Bar
2. What's in the Box
- 1 x Inwa Computer Speaker Bar
- 1 x Detachable Microphone
- 1 x User Manual
3. Setup Instructions
3.1 Mounting the Speaker Bar
The speaker bar offers flexible mounting options:
- Monitor Clip Installation: The speaker features an upgraded spring clip on the bottom, allowing it to easily clip to the top, sides, or bottom of your monitor. It securely clamps to most monitors up to 1 inch thick. The silicone pads on the clip protect the monitor surface.
- Desktop Placement: The speaker can also be placed independently on your desktop if preferred.

Figure 2: Speaker bar clipped to a monitor, showing the clip mechanism.

Figure 3: Side view illustrating the monitor clip's compatibility with monitors up to 1 inch thick.
3.2 Connecting to Your Computer (Plug and Play)
The Inwa MZ-631M speaker bar is designed for simple plug-and-play operation. No additional software or drivers are required.
- Connect the USB Cable: Use the integrated USB cable to connect the speaker bar to an available USB-A or USB-C port on your PC or Mac. An included USB-C to USB-A adapter ensures broad compatibility.
- Attach the Microphone: Insert the detachable gooseneck microphone into the designated port on the speaker bar.
- Select Output Device: After connecting, your computer should automatically detect the speaker bar. You may need to manually select the "Inwa MZ-631M USB Speaker Bar" as your audio output and input device in your operating system's sound settings.

Figure 4: The included USB-A to USB-C adapter for versatile connectivity.
4. Operating Instructions
4.1 Audio Playback
The speaker bar features dual 10W high-sensitive drivers and a passive radiator for rich stereo sound and enhanced bass. Once connected and selected as the output device, audio from your computer will play through the speaker bar.

Figure 5: Internal view highlighting dual speakers and 10W audio output.
4.2 Microphone Usage
The detachable gooseneck microphone utilizes Acoustic Echo Cancellation (AEC) technology to capture your voice clearly while minimizing background noise and echoes. This is ideal for online meetings, gaming, and educational purposes.

Figure 6: Speaker bar with its unidirectional microphone, compatible with various platforms.
4.3 One-Touch Mute Function
The speaker bar includes a dedicated button for instant microphone muting. This allows for quick and convenient control during calls or recordings.

Figure 7: The one-touch mute button on the speaker bar for easy control.
5. Maintenance
To ensure the longevity and optimal performance of your Inwa MZ-631M speaker bar, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the speaker bar. Avoid using abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the speaker bar in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid bending or crimping the USB cable excessively to prevent internal damage.
6. Troubleshooting
If you encounter issues with your Inwa MZ-631M speaker bar, please refer to the following common solutions:
- No Sound Output:
- Ensure the USB cable is securely connected to both the speaker bar and your computer.
- Verify that the Inwa MZ-631M is selected as the default audio output device in your computer's sound settings.
- Check the volume levels on both the speaker bar and your computer.
- Try connecting the speaker to a different USB port on your computer.
- Microphone Not Working:
- Ensure the detachable microphone is firmly inserted into its port on the speaker bar.
- Verify that the microphone is not muted using the one-touch mute button.
- Confirm that the Inwa MZ-631M is selected as the default audio input device in your computer's sound settings.
- Check privacy settings on your operating system to ensure applications have permission to access the microphone.
- Distorted Audio:
- Reduce the volume on both the speaker bar and your computer.
- Ensure there are no obstructions blocking the speaker grilles.
- Try connecting to a different USB port.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | MZ-631M |
| Brand | Inwa |
| Mounting Type | Clip |
| Material | Plastic |
| Speaker Type | Monitor |
| Special Features | Bass Boost, Clamp installation, Detachable Microphone, Portable, USB Port |
| Connectivity Technology | USB |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 10 Watts |
| Input Voltage | 5 Volts (DC) |
| Product Dimensions | 9"D x 1.85"W x 1.26"H |
| Item Weight | 13.4 ounces (0.38 Kilograms) |
| Compatible Devices | Laptop, Smartphone, Tablet |
| Control Method | Push Button |
| Specific Uses | Business, Gaming, Music |
8. Warranty Information
The Inwa MZ-631M USB Computer Speaker Bar comes with a Limited Warranty. Please refer to the product packaging or contact Inwa customer support for specific details regarding warranty terms and conditions.
9. Customer Support
For further assistance, technical support, or inquiries regarding your Inwa MZ-631M speaker bar, please contact Inwa customer service. Contact information can typically be found on the product packaging or the official Inwa website.





