Stereo output 8 Ohms 1150 watts4 Ohms 1900 watts2 Ohms 2750 wattsBridged Mono @ 1kHz 1%THD8 Ohms 3800 watts4 Ohms 5500 wattsInput Sensitivity 1.23 Vrms (+4 dBu) for full power @ 4 OhmsInput Impedance 30K ohms Balanced/15K ohms UnbalancedFrequency Response 0/-0.5dB 20Hz - 20kHz 0/-3dB 5Hz - 60kHzSignal to Noise Ratio Better than 100dB (20Hz - 20kHz)Distortion (SMPTE-IM) Less than 0.03%Output Circuitry 3-tier class HCooling Dual continuously variable speed fans front to rearProtection Short circuit thermal current limit DC offset RF protection AC soft start with inrush current limit turn on/off mutingConnectors Input Combo female XLR & 1/4” TRS jack. Link Male XLROutput Both 5-way biding post and Speakon?Controls Front Power on/off switch volume controls for each channelRear Mode switch (stereo / parallel / bridge) HPF 30Hz/50Hz/Off Limiter on/off LED STRIPS on/dim/offIndicator Power parallel bridge. Each channel Signal -20dB -10dB clip protectPower Requirements 120/230V 60/50Hz factory configuredAC consumption Both channels driven at 4 Ohm load at 120Vac (for 230V divide by 2)AC connect 120V fixed cord - NEMA 5-20 plug 230V IEC inlet on chassis power cord with CEE7/7 plugDimensions 19'' (482mm) x 5.25'' (132mm) x 19.3'' (492mm)Net weight 81.5lb (37kg)