The Kicker 48KMBLC - KMBLC Marine Amp Bass Level Control offers convenient, remote control of the bass level on your KXMA or KMA Marine Amplifiers with mono channels. Designed specifically for these models, this wired controller ensures a reliable, no-fail signal for consistent performance on the water. Take full control of your marine audio experience with this essential accessory, built for precision and durability. Remotely controls bass level on KXMA or KMA Marine Amps with mono channels Wired for a no-fail signal For KXMA or KMA Amps with mono channels only