1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your WiiM Sub Pro Wireless Smart Subwoofer. Please read this manual thoroughly before using the product to ensure proper functionality and to maximize your audio experience. The WiiM Sub Pro is designed to deliver deep, distortion-free bass, enhancing movies, music, and gaming with its 8-inch high-excursion woofer and 250W Class-D amplifier.
Image 1.1: Front view of the WiiM Sub Pro Wireless Smart Subwoofer.
2. Safety Information
Please observe the following safety precautions to prevent damage to the device or personal injury:
- Do not expose the subwoofer to water, moisture, or extreme temperatures.
- Ensure proper ventilation around the unit to prevent overheating.
- Use only the provided power cable and RCA cable.
- Do not attempt to open or repair the unit yourself. Refer all servicing to qualified personnel.
- Keep the subwoofer away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Position the unit on a stable, flat surface to prevent it from falling.
3. Package Contents
Verify that all items are present in the box:
- WiiM Sub Pro (Black) x 1
- User Guide x 1
- Power Cable x 1
- RCA Cable x 1
Image 3.1: Included components: WiiM Sub Pro, power cable, and RCA cable.
4. Product Overview
The WiiM Sub Pro is an 8-inch wireless smart subwoofer designed to integrate seamlessly into your home audio system. It features a 250W Class-D amplifier, Wi-Fi 6, and Bluetooth 5.3 connectivity for flexible placement. The unit also includes an RCA input for wired connections.
Key Features:
- Deep Bass Performance: 8-inch high-excursion woofer delivers bass down to 25 Hz.
- AI RoomFit Auto-Calibration: One-tap tuning optimizes bass response for your specific room acoustics.
- Wireless Connectivity: Wi-Fi 6 and Bluetooth 5.3 for flexible placement and integration.
- App-Driven Control: Full control over EQ, crossover, phase, and latency via the WiiM Home App.
- Multi-Room Integration: Seamlessly pairs with other WiiM streamers, amplifiers, and speakers.
Rear Panel Connections:
Image 4.1: Rear panel of the WiiM Sub Pro, highlighting connectivity options.
- Power Input: Connects to the included power cable.
- RCA Input: For wired connection to any receiver or soundbar with an RCA sub-out.
- Reset Button: Used for factory reset or troubleshooting.
5. Setup
Follow these steps to set up your WiiM Sub Pro:
- Placement: Position the subwoofer in your desired location. Ensure it is near a power outlet and has adequate ventilation.
- Power Connection: Connect the power cable to the subwoofer's power input and then to a wall outlet.
- Download WiiM Home App: Download the WiiM Home App on your smartphone or tablet from the App Store or Google Play Store.
- Initial Pairing (Wireless):
- Open the WiiM Home App.
- The app will automatically search for new devices. Select 'WiiM Sub Pro' when it appears.
- Follow the on-screen instructions to connect the subwoofer to your Wi-Fi network.
Image 5.1: WiiM Home App displaying the setup prompt for the WiiM Sub Pro.
- Wired Connection (Optional): If you prefer a wired connection or are connecting to a non-WiiM system, use the included RCA cable to connect the subwoofer's RCA input to the 'Sub Out' port on your receiver or soundbar.
6. Operation
The WiiM Sub Pro is primarily controlled through the WiiM Home App. Once connected, you can manage its settings and integrate it with other WiiM devices.
AI RoomFit™ Calibration:
The AI RoomFit™ feature automatically optimizes the subwoofer's sound for your room's acoustics. This process typically takes about 2 minutes.
- In the WiiM Home App, navigate to the WiiM Sub Pro settings.
- Select the 'RoomFit' option.
- Follow the on-screen prompts to initiate the calibration process. Ensure your room is quiet during calibration.
Image 6.1: WiiM Home App RoomFit welcome screen, illustrating acoustic optimization.
Image 6.2: Visual representation of the AI RoomFit calibration process in a home audio environment.
App Control:
The WiiM Home App provides comprehensive control over your subwoofer's performance:
- Level Adjustment: Fine-tune the subwoofer's output level.
- Crossover Frequency: Set the frequency at which the subwoofer handles bass, typically between 20Hz and 250Hz. The WiiM Sub Pro supports a maximum crossover of 110Hz for optimal performance.
- Phase Control: Adjust the phase (0° to 180°) to ensure proper integration with your main speakers.
- Parametric EQ: Utilize the 10-band parametric equalizer for precise sound customization.
- Latency Tweaks: Adjust for any audio delay.
Image 6.3: Screenshots of the WiiM Home App interface for device selection and subwoofer settings.
Multi-Room Integration:
The WiiM Sub Pro can be wirelessly paired with other WiiM streamers, amplifiers, and speakers to create a synchronized multi-room audio experience. This allows for cinema-grade bass to fill every corner of your home.
Image 6.4: The WiiM Sub Pro's compatibility with the WiiM ecosystem, RCA systems, and over-the-air updates.
7. Maintenance
To ensure the longevity and optimal performance of your WiiM Sub Pro, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the subwoofer. Avoid abrasive cleaners, solvents, or harsh chemicals.
- Ventilation: Ensure that the ventilation ports are not blocked. Do not place the subwoofer in an enclosed space without adequate airflow.
- Power Management: The subwoofer features Auto Standby and Signal Wake functions. Auto Standby puts the unit into a low-power state when no audio signal is detected, and Signal Wake reactivates it upon detecting an audio signal.
Image 7.1: Illustration of the Auto Standby and Signal Wake features.
Firmware Updates:
The WiiM Sub Pro receives Over-The-Air (OTA) firmware updates to improve performance and add new features. Ensure your device is connected to the internet for these updates.
Image 7.2: The WiiM Sub Pro supports Over-The-Air (OTA) firmware updates.
8. Troubleshooting
If you encounter issues with your WiiM Sub Pro, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from subwoofer | Power not connected; volume too low; incorrect source selection; wireless connection issue; RCA cable not connected properly. | Check power connection. Increase volume in the app. Verify correct input source. Re-establish wireless connection via WiiM Home App. Ensure RCA cable is securely connected. |
| Bass is weak or distorted | Incorrect crossover settings; improper phase; subwoofer placement; RoomFit calibration not performed or incorrect. | Adjust crossover frequency and phase in the WiiM Home App. Experiment with subwoofer placement. Perform AI RoomFit calibration. |
| Subwoofer disconnects from Wi-Fi | Weak Wi-Fi signal; network interference; router issues. | Move subwoofer closer to the Wi-Fi router. Check for other devices causing interference. Restart your Wi-Fi router. Reconnect via the WiiM Home App. |
| Bass output limitation in wireless mode (Alexa Multi-Room Music, Roon Ready, LMS, Google Cast) | Known temporary software limitation. | WiiM is actively working on a resolution for this. Ensure your device receives firmware updates. |
| App cannot find subwoofer | Subwoofer not powered on; not in pairing mode; Wi-Fi issues. | Ensure subwoofer is powered on. Check Wi-Fi connection on both subwoofer and smartphone. Try restarting the app and subwoofer. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | SUB001 |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 8 Inches |
| Speaker Maximum Output Power | 250 Watts |
| Frequency Response | Down to 25 Hz |
| Connectivity Technology | Bluetooth 5.3, Wi-Fi 6 |
| Wireless Communication Range | Up to 200 Feet (Wi-Fi), 0.2 Kilometers (Bluetooth) |
| Control Method | App (WiiM Home App) |
| Special Features | Bass Boost, Hi-Res Audio, Multi-Room Audio, AI RoomFit Calibration |
| Audio Output Mode | Mono |
| Impedance | 4 Ohm |
| Signal-to-Noise Ratio | 101 dB |
| Product Dimensions (D x W x H) | 15.7" x 12.7" x 11.8" (399mm x 322mm x 301mm) |
| Item Weight | 35.2 Pounds |
| Material | Wood |
| Color | Black |
| Power Source | Corded Electric |
| Indoor/Outdoor Usage | Indoor |
| UPC | 741365254539 |
Image 9.1: Product dimensions of the WiiM Sub Pro.
10. Warranty and Support
The WiiM Sub Pro comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official WiiM website. For technical support, troubleshooting assistance, or service inquiries, please contact WiiM customer support through their official channels.
