New for 2021. KICKER gives you a full suite of purpose-built KXMA-Series Marine Amplifiers, all built to deliver the volume and clarity you need on the water. Available in two, four, five, and eight-channel options, these Class-D amplifiers deliver as much as 1,200 watts ? all while requiring an incredibly small footprint. No matter where you mount your KXMA amp, this easily accessible 24dB crossover lets you quickly tune your system to perfection. To get the most out of your bass, a variable 24dB subsonic filter is featured on the five-channel amp. Following KICKER Real Marine protocol, power terminals meet stringent ABYC/NMMA standards, while thick gasketing protects the control cover from unwanted moisture. Even the aluminum chassis is UV-treated for extra-long life. All KICKER marine amplifiers also utilize conformal-coated circuit boards to protect the heart of the amp from water damage. Big power comes with big control. An adjustable 24dB crossover is featured on our marine amplifiers, as does KickEQ+ bass boost for that extra bump. Tune your bass to perfection on the five-channel KXMA900.5 bass channel with the wired bass knob. (not shown) Get the absolute most out of your amp with a specially designed gain control that lights up when the perfect input signal is detected from your radio.