Compact, powerful and versatile, MX amplifiers are designed to deliver outstanding audio from the smallest of spaces. Engineered for versatile applications, MX amplifiers employ our ultra-efficient NexD switching technologies to generate loads of high-fidelity sound, without straining small charging systems. Its tiny, cast aluminium chassis is highly resistant to corrosion, with an IPX6 water-resistance rating, making it perfect for motorcycles, ATV's or other utility vehicles. Its dual-range input section accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals. With the addition of an M-RBC-1 remote level control (sold separately), subwoofer output can be directly controlled from the driver's seat. This amplifier features a black powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability. With a robust 300W/500W of clean power into a 2W load (14.4V, 1% THD), use one to drive a subwoofer, or grab a pair to deliver stunning output to a subwoofer system. The MX300/1, MX500/1 also features an adjustable low-pass crossover, a bass boost EQ, variable infrasonic filter and output polarity switch.