Complete your system with Massive Audio's Amplifier Gain Remote. The Massive UR1 Gain Remote Knob will allow you to control your woofer output channel from the drivers chair for when you need that quick mute or simply want to reduce your low end output without fussing with your EQ or head units volume controls. Small Dash Mount Single Knob System with 0 - 12dB Sub Amp Gain Control.

For all Second Generation Nano Block Amplifiers N2, N3, N4, NX3 and NX5.
Also for all future amplifiers and is already compatible with the following 2013 new production models: D1200 & D8000.
Second Generation Nano Blocks can be identify by the updated logo badge which said, "Massive High Performance Audio".