RE Audio XTX500.5 XTX Series Full Range Amp: * Full range, high speed 5-channel digital stereo amp * 60W x 4 at 4 ohms RMS * 90W x 4 at 2 ohms RMS * Signal-to-Noise Ratio: >90 dB * Frequency Response: 10Hz-30kHz +/-1 dB * Input Sensitivity: 200 mV-6V, +/-5 percent * 2 RCA signal inputs * Low pass signal output * 4-gauge power connector * Aluminum heatsink * 300W x 1-channel monoblock Class D subwoofer amplifier * Dynamic Power: 1,500W * Low Pass Crossover: 30Hz-300Hz, 24 dB/oct * High Pass Crossover: 50Hz-1kHz, 24 dB/oct * Phase Shift Control: 0-180 * 12 dB at 45Hz variable bass EQ * Efficiency: 80 percent at 4 ohms * Channel Separation: 75 dB * Fuse Rating: 30A x 2 * Wired remote