Boss CX3500D Chaos Exxtreme Class D Monoblock Power Amplifier Amplifier Class: Class D Technology: Digital Number of Output Channels: 1 Total Power: 3500 Watts Max Power @ 1 Ohm: 3500 Watts x 1 Max Power @ 2 Ohms: 2200 Watts x 1 Max Power @ 2 Ohms, when strapped with same model amplifier: 7000 Watts RMS Power @ 4 Ohms: 1200 Watts x 1 Frequency Response: 15 to 150 Hz Total Harmonic Distortion (THD) @ RMS Output: 0.01% Signal-to-Noise Ratio (SNR): 100 dB Minimum Speaker Impedance: 1 Ohms Variable Low Pass Crossover: 50 to 150 Hz Dimensions: 2.625"" x 14.875"" x 11.875"" Soft Turn-On Circuit Master/Slave Switch Thermal Overload & Speaker's Short Protection Remote Subwoofer Level Control Power & Protection LEDs Number of RCA Line Output: 2 Strapping Capability Input Sensitivity Selector Single class D monoblock power amplifier Remote subwoofer level control Sensitivity: 100 dB Power output: 1200w x 1 RMS, 2200w x 1 Max, 3500W x 1 Strapped Strapping capability: Strap two amps together for twice the power