DS18 NXL-X900.6D 6 Channel Class D 3000W Max Marine & Powersports AmplifierDS18 designed the NXL-X900.6D amplifier for those marine and powersports enthusiasts looking for exceptional power output. The NXL series’ impressive power is supplemented by its outstanding efficiency and durability in all of the elements. The high pass and low pass filters help tune your speaker accurately to obtain clarity from all volume levels for the ultimate audio experience. This 6-channel amplifier has an IP67 waterproof rating . making it the perfect amplifier for boats . jet skis . ATVs . UTVs . SXS . Golf carts . and motorcycles. Please see below for more features and specifications.Features & Specifications: Full Range Marine and Powersports Amplifier Number of Channels: 6 Class: D Peak Power: 3000 Watts Rms Power: @ 4 Ohm 6x150W . @ 2 Ohm 6x250W . @ 4 Ohm 3x500W Frequency Response: 10Hz-20KHz Minimum Impedance: 2 Ohms (Stereo) / 4 Ohms (Bridge) Signal to Noise Ratio: 1W @ 4 Ohms: > 84dB Efficiency @ 4 Ohm: 87% Low Level Input Range: 200mV-5V X-Over Filter Range: 40Hz-2KHz Perfect For: Boats . Jet Skis . ATVs . UTVs . SXS . Golf Carts . Motorcycles Waterproof Rating: IP67