Technical Data Amplifier Number of channels (regular/bridged): 4/3/2 Max. power into 4 ohms / 2 ohms: 4x140 watts, 2x 420 watts / 4x 200 watts RMS Power into 4 ohms / 2 ohms: 4x 70 watts, 2x 200 watts / 4x 100 watts (1% THD+N) Frequency response: 10-30,000 Hz (-3dB) Signal/noise ratio dB/A: >75 dB @ 1W/1kHz (4 ohms) Signal/noise ratio dB/A: >92 dB @ RMS power (4 ohms) Total Harmonic Distorsion (@ full rated power): <0.05 % Adjustable sensitivity: 0.2-5 V Stability: 2 ohms (4 ohms in bridged mode) Phase control: 0 – 180° Low-pass filter: 50 – 5,000 Hz / 32 steps High-pass filter: 50 – 5,000 Hz / 32 steps Subsonic filter: 0 – 80 Hz / 32 steps Compressor limiter: 10 dB Inputs: 4x Cinch/RCA, 1x Remote Control Outputs: 4x speaker, 1x Sub-out (Cinch/RCA) Power-on indicator color: green / red Integrated fuses (number/size): 2 / 20A Dimensions (w x h x d): 323 x 54 x 198 mm 12.8“ x 2.1“ x 7.8“ Digital Sound Processor (DSP) DSP type: 28/56 bit DSP processing (Analog Devices / Sigma DSP) Processor: ARM Cortex 50 MHz microcontroller Crossovers: active, switchable FULL/High-pass/Low-pass separate crossovers for speakers and subwoofer Selectivity (switchable): 48 dB/Oct (8th order Butterworth filter) 24 dB/Oct (4th order Butterworth filter) 18 dB/Oct (4th order Bessel filter) Compressor-limiter (switchable): 10 dB Additional functions via optional remote GTA RC-01 (1101210001001) BassBoost: 0 - 15 dB @ 45 Hz Delay: separate control for left front channel 256 steps by 7mm, about 1.8m max delay Bass enhancing: Sub Harmonic Synthesizer SHS (bass enhancing AD algorithm)