Power amplifier class H output power (RMS) 8 ohm = 2x1700w output Output Power (RMS) 4 : 2 x 2700 W Output Output Power (RMS) 2 : 2 x 3500 W Output Output Power (BRIDGE 8) : 2700 W Output Output Power (BRIDGE 4) : 3500 W Output Frequency response (1watt 8 stereo) : 20 Hz 20 KHz ( 0.1 db) Power Bandwith (rated power of 4,1% THD + N) : 20Hz 20 KHz, , 2db/+2db Damping Factor (1Khz,8) : > 500 Input Impedance (balance/unbalance) : 20k/10k Tour Class Protection DC Protect, Short Circuit Protect,High Temperature Protect, Current Inrush Protect, Input Overload Protect, Soft Startup Protect.