Minirig Subwoofer 4 - Brushed Ion

Introducing Minirig Subwoofer 4, in Brushed Ion, featuring the most significant upgrades to date. Years of dedicated research and development have refined the design, delivering increased power and precise control from the custom 3-inch double neodymium driver. Battery capacity has also been expanded from 28Wh to 33.3Wh for longer performance.

Its real strength lies in connectivity. Subwoofer 4 integrates into a fully modular wireless system, effortlessly linking with multiple Minirig 4 speakers and additional Subwoofer 4 units via Bluetooth. These internal enhancements are matched by USB-C charging and comprehensive app control, enabling detailed gain and EQ adjustment. The result is what is confidently considered the smallest and most capable portable subwoofer available.

• The smallest portable Subwoofer delivering powerful deep bass you can hear and feel
• No more cables - Connect wirelessly and build your sound system
• The final piece - True deep bass requires a dedicated subwoofer
• Type-C fast charging + Power Bank functionality
• British-Made Engineering - built to last
• Minirig App - customise & control your experience

• Minirig Subwoofer 4
• USB-C Charging Cable
• High-Quality Audio Cable
• Protective Travel Case
• Eco-Friendly Recycled & Recyclable Packaging

• Dimensions: W = 101.6mm H = 219mm
• Weight: 1051g
• Driver: Custom high excursion 74mm driver with double neodymium motor system
• Button x3: Power/volume/pairing/and more
• Frequency response: 38Hz - 150Hz
• Battery life max volume: 6 Hours
• Battery life average use: 40 Hours
• Battery life low volume: 100 Hours
• Charge time (standard, 4.5W): 6 hours
• Charge time (fast USB-C PD, 20W): 2 hours
• Powerbank function: Yes
• USB-C Power Delivery: Yes (up to 18W)
• Amplifier power: 1 x 50Wrms
• Bluetooth: 5.0 with AAC, linkup mode & wireless stereo
• Bluetooth Receiver Mode: Yes (line out / headphones)
• Bluetooth Range: >20-40 meters line-of-sight
• Audio input/output: 2 x 3.5mm mini jack socket
• Construction: Anodised aluminium and High Impact ABS
• Additional features: Volume control, Balance control, Accelerometer, microphone, 5x addressable RGB LEDs, USB-C PD capable, OTA updatable
• App: IOS, Android and Chrome (PC/MAC)
• Standalone: No, must be used with Minirig or Minirig Mini