The XL series was developed for the growing Power Sports market including UTV and Marine applications, where electronics must withstand harsh damp environments. The circuit boards have been conformal coated with a layer of transparent material that protects the parts against moisture, dust and extreme temperatures. Features: 800 Watt High Efficiency Full-Range Class D Design 2-OHM Stable Stereo Amplifier International Rectifier® Chip Set Ultra Low Current Draw Double Sided Copper Plated PCB Conformal Coated PC Board PWM MOSFET Power Supply Digital Sound Optimization Circuitry High Damping Control Circuit High Current Voltage Ripple Rejection Circuitry 3.5mm AUX Input Remote Soft Delay Turn On/Off Circuit Variable Low/High Pass Electronic Crossover Variable 12dB Bass Boost EQ Variable Gain Control Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output. Specifications Peak Power: 1600 watts Subwoofer Frequency Range: 10 Hz - 400Hz Power Supply: Unregulated PWM Inputs: RCA (speaker level compatible)/3.5mm Mini Jack Input Dimensions (in Inches): 9.6" x 4.5" x 1.6" Depth: 9.6" Channels (mono): 4 4-ohm Power: 100 watts x 4 4-ohm Mono Power: 400 watts x 2 2-ohm Power: 200 watts x 4 1-ohm Mono Power: N/A Selectable Subwoofer EQ: 0-18d B Gain @ 45Hz, Rear Ch. Variable Subsonic Freq: N/A Equalization Boost/Cut: 0 - 18 dB Height: 1.6" Width: 4.5" Subwoofer EQ Frequency: 45 Hz Low-Pass Crossover Freq: 40 Hz - 400 Hz High-Pass Crossover Freq: 40 Hz - 400 Hz Crossover Slope: 12 dB Input Sensitivity: 0.25 V - 10.0 V S/N Ratio: >85 dB Total Harmonic Distortion: 0.04% at Rated Power Strapped Output Power @ 2ohms: N/A Output Power (14.4 V) @ 4 ohm: 100 watts x 4 Output Power (14.4 V) @ 2 ohm: 200 watts x 4 Output Power (14.4 V) @ 1 ohm: N/A Frequency Response: 10 Hz - 40 kHz