Soundstream ST4.1000DB ST4.10000DB Stealth Series 1000W Class D 4-Channel Amplifier 90 watts RMS x 4 at 4 ohms (125 watts RMS x 4 at 2 ohms) 250 watts x 2 bridged at 4 ohms Ideal for boats, ATVs, side-by-sides, golf carts, and more Silver chassis with switchable Black or white top plates Variable high- and low-pass filters (35-250 Hz, 12 dB/octave)