Check the listing for details. SUNDOWN AUDIO SAE-1100.5 5-CHANNEL COMPONENT SPEAKERS SUBWOOFER SYSTEM AMPLIFIER. Condition: New. Listed at 329.99 USD. Brand New! SAE-1100.5 - Sundown Audio 5-Channel Full Range Class A/B Amplifier Features & Specifications: Full Range Class A/B Digital MonoblockHigh Efficiency Multi-Channel DesignStable-2 Ohm Stereo / 4 Ohm Bridge (1-4CH) 1-Ohm (5Ch)Power/Protected LED Indicators12dB/Oct Variable High Pass Filter (4Ch)12dB/Oct Variable Low Pass Filter (3-4 Ch)24dB/Oct Variable Low Pass Filter (5 Ch)Variable Bass Boost (5 Ch)4-Way Protection Circuit (Thermal, Voltage Speakers Short and DC Offset)Wired Remote Control (5 Ch)Specifications:Power Handling:RMS Power 4-Ohm Bridge: 240W x 2 (1-4Ch)RMS Power 1-Ohm: 800W x 1 (5 Ch)RMS Power 2-Ohm: 120W x 4 (1-4 Ch) + 500W x 1 (5 Ch)RMS Power 4-Ohm: 75W x 4 (1-4 Ch) + 300W x 1 (5 Ch)High Pass Frequency Crossover: 50Hz-250Hz (1-4 Ch)Low Pass Frequency Crossover: 50Hz-250Hz (3-4 Ch) / 30Hz-150Hz (5 Ch)Frequency Response: 20Hz-20KHz (1-4 Ch) / 10Hz-150Hz (5 Ch)Bass Boost - 45Hz: 0-12 dBPhase Shift Control: 0-180 DegreeInput Sensitivity: 6-0.2 VoltsSignal Noise Ratio: >90dBT.H.D. 4-Ohm: