Next day UK delivery, unless stated, order before 1pm for next day delivery. credit/debit cards, paypal  payment methods, or buy now, pay later with Klarna.



Paypal HTML below


Pay in 30 days or over Three payments with Klarna. No fees. Find out more

In Stock, please allow 4-7 days delivery time

That is MadBoy® BOSS-12 active subwoofer working. Upgrade your karaoke hardware to the next level.

You can tell yourself you have a good sounding karaoke, music or home-theater system. But you do not know what you are missing until you try our BOSS-12 subwoofer. MadBoy® BOSS-12 is pure kicking active bass, which really gives you the low end punch missing from your system. 
MadBoy® BOSS-12 is also designed to look unnoticeable but at the same time stylish and cool.


  • 12” speaker driver for extended low-frequency output
  • Tight,clean,accurate sound
  • Built-in amplifier, Max Output Power 200 W
  • Super low frequency response 35 Hz - 200 Hz
  • Input: RCA (mono)
  • Output: RCA (mono)
  • Volume-, Crossover-, Phase- and Bass controls
  • High Level looping for looping speaker signal
  • Power: supply voltage AC 230 V (50Hz)
  • Unit dimensions: 38 cm (H) x 38 cm (W) x 43 cm (D)
  • Weight: 21.3 kg


  • 1 x BOSS-12 active subwoofer
  • 1 x AC power cord 1.4 m
  • 1 x RCA-RCA cable 2 m
  • 1 x User Manual