Specifications: 1) High power efficiency digital amplifier 2) Low THD 3) High speed switching power 4) Less heat, small size 5) With balance and audio input jacks 6) Protect circuit for over load, over heat and short 7) Perfect display 8) Output power: stereo mode 2 x 500W (4ohm) 9) Bridge mode 1 x 1,000W (8ohm) 10) Frequency: 10 - 50kHz 11) Signal- to-noise ratio: >102dB (A-weighted) 12) THD: