The MA2.8s is one of a range of power amplifiers that have been designed to combine reliability and high power with sonic excellence.The innovative technology at the heart of the MA2.8s enables it to set new standards in terms of sonic accuracy,impact and clarity. OUTPUT POWER (EIA AT 1kHz AND 1% THD) 8Ω Stereo Power:1000W 4Ω Stereo Power:1600W 8Ω Parallel Mono Power:1000W 4Ω Parallel Mono Power:1600W 16Ω Bridged Mono Power:2000W 8Ω Bridged Mono Power:3200W DISTORTION THD: <0.05% (10% of full power) IMD: <0.1% (60Hz/7KHz,10% of full power) FREQUENCY RESPONSE: 20Hz-20KHz DAMPLING FACTOR: >800(8Ω 100Hz) CHANNEL SEPARATION @ 10kHz: >75dB S/N RATIO: >108dB (A weighted) GAIN: 39(+/-0.5dB) CHANNEL GAIN DIFFERENCE: <0.25dB INPUT SENSITIVITY: 1V SLEW RATE: >100V/μS IMPUT RESISTANCE: 20K ohms balanced, 10K ohms unbalanced POWEE SUPPLY: AC 220V, 50Hz-60Hz/1500VA DIMENTSION: 483Wx452Dx88H (mm) WEIGHT: 29kg