Product Code: 45155 Price: Check Latest Directed A1004 Amplifier - 4 Ch 1000w ESP features: *Anti-theft protection and valet mode - renders your amp useless to thieves or parking   attendants *Digitally programmed input voltage for fast, accurate system set-up *Input sensitivity lock-out mode *Built-in self-diagnostics - installer can recall shutdown history, avoids time-consuming   service visits *Digital control over cooling fan operation, turn-on delay A1004 features: *High speed MOSFET switching power supplies *Complimentary bipolar outputs (hybrid 5 channel model D2205 features high current   MOSFET sub channel outputs) *Thermal, DC offset, reverse polarity and short circuit protection *Built-in blue LED top panel illumination *External LED/Fan power jack *Built-in high performance, variable12 dB/octave 2 way active crossovers *Switchable 8 dB bass EQ function *Remote subwoofer level control function (D2205, A1004) *2 or 4 channel input capability (A1004) *4 or 6 channel input capability (D2205) *Expandable architecture features include buffered stereo full-range RCA output jacks   (all models) and external bridging with an added model D1200 class D mono block   amp (D2205 only   Model A1004 Max Power Rating 1000 watts CEA Primary Power (power into 4 ohm, all channels driven, 14.4V supply ≤ 1% THD+N) 85W x 4 CEA S/N Ratio (referenced at 1 watt/4 ohm) 81dB CEA Additional Power (power into X ohm, all channels driven, 14.4V supply ≤ 1% THD+N) 125W x 4 @ 2 ohm Freq. Range 20-20K Hz Damping Factor >100 Input Sens. 250mV to 7.5V Crossover var. 12dB 2-way Bass EQ Yes 8db RCA Output Yes, stereo Protection T,S,D,R,O,L Dimensions - inches W:16-7/8 H:2-1/2 L:13 Metric - mm W:273 H:63.5 L:430 T = Thermal, S = Short Circuit, D = DC offset, R = Reverse polarity, O = Over voltage, L = Under voltage