Denon PMA-250SE Amplifier .

Specifications: Output power: 2x30W (8 Ohms 20-20kHz) 2x50W (4 Ohms 1kHz) THD: 0.08% 1kHz/-3dB at rated output Frequency response: 10Hz-80kHz (+0dB, -3dB at 1W) Line inputs: 150mV/47kOhms S.N Ratio (A weighted): 98dB (direct) Tone controls: Bass (100Hz) ± 8dB Treble (10kHz) ± 8dB Power requirement: 230V AC 50Hz Power consumption: 120W Dimensions: 434 x 115 x 286mm Weight: 5.5kg