Rockville D12 5000w Peak/1400w RMS Class D 2 Channel Power Amplifier Pro/DJ Amp LCD displays volume in dB per channel and operating temperature 1.5U rack space Built in limiter protects your speakers from distortion and clipping Bridged mode allows you to combine both channels power into one channel for use with a subwoofer Stereo mode is perfect for (2) speakers or (4) speakers in a left and right configuration Parallel mode gives you dual mono output signal which is perfect for monitor use when you want all sounds coming out of each speaker instead of a left/right configuration Built in crossover switch (bypass, 80 Hz, 160 Hz) allows amp to be used with full range PA speakers, or Subwoofer(s) Channel A & B Clipping Led Indicators Channel A & B Separate Level Controls Power, signal, clipping, and protection LED indicators on front of amp Heavy duty rack mount ears with handles Built-in variable high velocity quiet cooling fans Maximum headroom for 4-ohm and 8-ohm Speakers Level controls for precise setting and matching of sensitivity Computer controlled IC protection circuitry against speaker short circuit, thermal over load, DC over load User serviceable fuse (12A, 250V) Frequency Response (bandwidth @ 2Vrms out, @ -3.0dB) 10 Hz – 30 Khz THD + Noise @ 1Khz full power: <0.11% Input Impedance: 10K Ohm Balanced Input signal voltage: 638mV – 2.7V Input sensitivity: 0.7v Damping factor: ( 100Hz, 10w, 4 ohms): 43.6 Damping factor: (1Khz @ 8 ohm): >400:1 Effective damping factor (100Hz, 10w, 4 Ohms) 1.08 Output impedance at speaker terminals: 0.0918 Ohms Frequency Response vs THD+N (worst case, across normal bandwidth 1W) 0.05% Signal to Noise Ratio: > 100dB SLEW RATE (input filter limited) : 40v/uS Power Requirements: 100V-240V / 50-60Hz Weight: 9.7 lbs Dimensions: 19.09 x 9 x 2.56 inch