MTX Audio RTU8P Premium Underseat Subwoofer

8-inch Under Seat Amplified Subwoofer





Premium Underseat Subwoofer 

MTX Audio RTU8P Under-seat subwoofer delivers big bass without sacrificing any cabin or storage space. The MTX system features one of the highest power outputs on the market with a huge 150 Watt RMS power rating, 8" Active Subwoofer, and cast aluminium chassis for loud and deep bass reproduction.

Included in the box are an MTX Bass-Remote and high-level input featuring an Auto turn-on for convenient installation in the newest of vehicles. Its low power draw and flexible working voltage range make it perfect for use in EVs like Tesla and many more.

Sound Garage, is your Authorised MTX Audio Dealer.



  • The best and most simple way to add great bass to your system
  • Reduced size and thickness for under-seat installations
  • Powerful Class-AB amplifier for a realistic bass reproduction
  • Works perfectly with all aftermarket head units, processors and factory audio systems.
  • Subwoofers : 1 x 20cm (8“) 
  • Class-AB Mono-block amplifier
  • RMS Power: 150W (600W Peak)
  • Frequency response: 33 - 150 Hz
  • 8 Gauge Power-Wire input
  • Active X-over: variable 50~150Hz
  • Bass remote included
  • High and Low-Level inputs
  • Auto switch on with high-level inputs
  • Input sensitivity : 0,1V~4V / 0.1V-9V High-Level
  • Phase switch : 0° or 180°
  • Bass boost : @45Hz variable 0 to +18dB
  • Dimensions: 345x242x78mm
  • Weight: 5.5Kg

View the user manual here


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