Name: WiiM Sub Pro Wireless Subwoofer
Brand: WiiM
Price: 899.0 AUD
Availability: InStock

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A compact wireless subwoofer from WiiM with a custom 8-inch woofer and a 250W RMS Class-D amplifier. WiiM says RoomFit auto-calibration tunes the bass to your room.

WiiM lists the response as 35Hz to 200Hz (±3dB), reaching 25Hz at -10dB. It pairs wirelessly with WiiM streamers, amplifiers and speakers, or connects by RCA to any system with a subwoofer output.

Driver

8-inch custom woofer

Amplifier

Class-D, 250W RMS

Frequency response

35Hz - 200Hz (±3dB)

Connections

RCA mono in, Wi-Fi 6, Ethernet

Room tuning

RoomFit auto-calibration, 10-band EQ

Size

399 × 301 × 322 mm, 16 kg

Why you will love it

Bass for music, movies and games

WiiM says the Sub Pro delivers 250W of distortion-free bass down to 25Hz. The published figures are an 8-inch custom woofer, a 104dB SPL rating and a response of 35Hz to 200Hz (±3dB).

WiiM describes a vibration-resistant chassis built to keep the bass clean and controlled.

WiiM Sub Pro wireless subwoofer in black, front three-quarter view

RoomFit room calibration

RoomFit uses the microphone on your phone, or an external microphone attached to it, to measure your room. The WiiM Home app then adjusts the bass output.

WiiM sets out the steps as: power up, join your Wi-Fi or Ethernet network in the app, run RoomFit and stay quiet during the sweep tone, then pick your main WiiM speaker or amp.

Wireless or wired

With WiiM streamers, amplifiers and speakers, the Sub Pro connects wirelessly over Wi-Fi 6. It can also sit in a multi-room setup through the WiiM Home app.

For other gear, an RCA mono input works with any receiver, amplifier or soundbar that has a standard subwoofer output. An Ethernet port is there for wired network setups.

WiiM lists Bluetooth 5.3 as supported via a software update.

Rear of the WiiM Sub Pro subwoofer showing its connection panel

Controls in the WiiM Home app

The app gives you a 10-band parametric EQ and adjustable crossover, phase, level and latency, plus subwoofer presets and calibration tools.

The Sub Pro goes into standby by itself and wakes when it detects an RCA signal. It also receives over-the-air app and firmware updates.

Is it right for you?

A great fit if you…

Want to add a subwoofer to a WiiM streamer, amplifier or speaker system
Have a receiver, amplifier or soundbar with an RCA subwoofer output
Like to tune bass with a phone app and a calibration sweep
Want a compact subwoofer with EQ, crossover and phase controls

Worth knowing

Set-up and control use the WiiM Home app on iOS, Android or PC
The package includes a user guide, a power cable and an RCA cable
The RCA input is mono
WiiM lists a 16 kg weight, so plan the placement

Build your system

WiiM says the Sub Pro pairs with its streamers, amplifiers and speakers.

Amplifier: Pair with the WiiM Amp Pro streaming amplifier, the WiiM Amp Ultra streaming amplifier or the WiiM Amp WiFi streaming amplifier.
Streamer: Add it to a WiiM Ultra streaming hub or WiiM Pro Plus audio streamer system.
Speakers: Use it with bookshelf speakers.
More bass: See other subwoofers.

Specifications

Sound

Amplifier	Class-D, 250W RMS continuous
Driver	8-inch custom woofer, 104dB SPL
Frequency response	35Hz - 200Hz (±3dB); 25Hz (-10dB)
Tuning	RoomFit, 10-band EQ, crossover, phase, level, latency controls

Connections

Inputs	RCA mono in, Wi-Fi 6, Ethernet
Bluetooth	5.3 (via software update)
App	WiiM Home (iOS, Android, PC)
Updates	Over the air

Size and weight

Dimensions (W × H × D)	399 × 301 × 322 mm
Weight	16 kg

Specifications from the WiiM global product page (wiimhome.com), checked November 2026.

What is in the box

WiiM Sub Pro wireless subwoofer
User guide
Power cable
RCA cable

Questions people ask

How do I connect it?

Wirelessly to WiiM streamers, amplifiers and speakers, or by RCA to any device with a subwoofer output.

Can I use it with non-WiiM gear?

Yes. WiiM says it works with any receiver, amplifier or soundbar that has a standard RCA subwoofer output.

What is RoomFit?

WiiM's auto-calibration. It measures your room with a phone microphone and adjusts the bass output.

Can I adjust the bass manually?

Yes. The WiiM Home app offers EQ, crossover frequency, phase, level and latency settings.

Does it work in a multi-room setup?

WiiM says that when it is connected wirelessly to a WiiM device it can sync as part of a multi-room setup in the WiiM Home app.

What is the frequency response?

35Hz to 200Hz (±3dB), and 25Hz at -10dB.