WiiM Sub Pro – 250 W Wireless Subwoofer with RoomFit Calibration

The WiiM Sub Pro adds powerful, distortion-free bass to any listening setup, delivering deep low end down to 25 Hz for music, movies and gaming. With smart room calibration, extensive tuning tools and broad connectivity, it brings accuracy, punch and adaptability to both standalone WiiM systems and traditional hi-fi setups.

Key Features

• 250 W low-distortion bass: Custom 8-inch driver delivers clean, controlled low frequencies extending to 25 Hz for cinematic impact and musical depth.
• RoomFit AI calibration: Automatically analyzes your space to optimize bass response, ensuring balanced performance in any room layout.
• Next-gen wireless connectivity: Wi-Fi 6 for ultra-low latency, Bluetooth 5.3 with LE Audio for flexible pairing, and Ethernet for rock-solid wired setups.
• Comprehensive tuning tools: WiiM Home app offers a 10-band parametric EQ, adjustable crossover, phase, level and latency controls for precise tailoring.
• Universal system support: Works seamlessly with WiiM streamers, amps and speakers, while RCA sub-in provides compatibility with virtually any third-party system.

Customer Benefits

The Sub Pro gives listeners a powerful upgrade in low-frequency performance without the complexity often associated with subwoofer integration. AI calibration ensures reliable, balanced bass across different rooms, while app-based controls give full fine-tuning when needed. Whether paired with a WiiM ecosystem or integrated into an existing stereo or home theatre setup, it brings depth, clarity and excitement to any audio experience.

Quick Specs

• Amplifier power: 250 W
• Driver: 8-inch woofer
• Frequency response: down to 25 Hz
• Connectivity: Wi-Fi 6, Bluetooth 5.3 (LE Audio), Ethernet, RCA sub-in
• Controls: 10-band parametric EQ, crossover, phase, level and latency (via WiiM Home app)
• Features: RoomFit AI calibration, auto-standby, firmware updates
• Construction: Vibration-resistant chassis
• Weight: 16 kg

• Dimensions: 39.9 × 30.1 × 32.2 cm

What’s in the Box

• WiiM Sub Pro
• Power cable
• RCA Cable
• Quick start guide

Use Cases / Ideal For

Ideal for enhancing bass in music listening rooms, home cinema setups, gaming environments and Wi-Fi-based multiroom systems. Perfect for users wanting smart calibration, wireless flexibility and strong low-end performance.

Compatibility

Pairs with WiiM streamers, amplifiers and speakers. RCA sub-in supports integration with third-party stereos, AV receivers and powered speaker systems. Fully controlled via the WiiM Home app.

Pros & Cons

✅ Pros:

• Deep, distortion-free bass with strong output
• AI-powered room calibration for consistent performance
• Wi-Fi 6, Bluetooth LE Audio and Ethernet connectivity
• Extensive DSP and EQ tools for precise tuning
• Works with both WiiM and third-party systems

⚠️ Cons:

• Requires app control for detailed adjustments
• Wireless performance dependent on network quality

The WiiM Sub Pro combines powerful low-frequency performance with intelligent calibration and broad system compatibility, making it an impressive addition to both modern wireless setups and traditional audio systems — available at Soundium.