MTX TERMINATOR 8 POWERED TUBE. The MTX terminator range of products need no introduction… It’s simple, amazing performance at amazing value! The TRT8P bass tube features a powerful 8 inch terminator subwoofer with a built in 120W amplifier. The amplifier will accept both high and low level inputs which makes installation a breeze. Set-up couldn’t be easier as all you have to adjust is the gain control. The units works perfectly with an original radio or aftermarket. The included remote bass control lets you take full control of the bass, right from the drivers seat! Powerful 8 inch ported enclosure. High efficiency built-in Class D amplifier. Simple and easy way to add bass. High and low level inputs. Remote bass control included. Dimensions: 25.5 x 26 x 48cm.