Studiomaster Sx4500 (2x1800watt Switchmode Power Amplifier)

Output Power (RMS watts per channel) Both Ch. 8 ohm : 1000 Both Ch. 4 ohm : 1700 Both Ch. 2 ohm : N/A Bridged 8 ohm : 3400 Bridged 4 ohm : N/A Input Sensitivity : Selectable: -3dBu / 0 dBu / +3dBu Ref: Rated Power 4 ohm Distortion (THD) : 0.04% 1kHz @ rated pwer (1 channel driven) Frequency Response : 30Hz-20kHz Internal Hi pass filiter set @ -3dB/30Hz Signal to Noise Ratio (unweighted) : 100dB Ref: Rated Power 4 ohm Crosstalk @ 1kHz : 70dB Damping Factor : 150 Ref: 1kHz 8 ohm Input Impedance : 10k Unbal 20k Bal Voltage Gain : 40dB Cooling : Continuously variable speed Twin Fans, back to front airflow Amplifier Protection : Full short circuit, open circuit, thermal, ultrasonic and RF protection. Load Protection : Power up/down muting. Output Circuit Type : H (3) H(2) : Class AB complementary linear output with Class H 2-step high efficiency circuit H(3) : Class AB complementary linear output with Class H 3-step high efficiency circuit Connection Inputs : Combination XLR and Jack socket, Male XLR link socket Outputs : 4 pole industry standard sockets, and 4mm binding posts Power Requirements : 230V Model: 220-240V AC 50/60Hz, 120V Model: 110-127V AC 50/60Hz Power Consumption : 14A @ 230V AC 1/3 power pink noise (double the current rating for 120V models) Size (W x H x D) : 483mm (19") x 89mm(3.5") x 400mm(15.8"), (When racked each unit occupies 2U) , (Depth = rack mounting to rear rack ears) Net Weight : 12.5kg(27.5lb) Shipping : 16.5kg(36.3lb)