XM302-4Class D 4-Channel Power Amplifier RMS 50W x4 (4Ω) RMS 75W x4 (2Ω) Variable High & Low Pass Filter Bass Boost Conformal Coating Protective Terminal Cover Size (inch) (W) 8-3/8" x (H) 2-1/16" x (D) 5-7/8" Rich and Immersive High-Resolution AudioHigh-Resolution Audio is high-quality sound that exceeds CD standard. High-resolution audio captures and beautifully expresses all the details of your favorite music. Through ultra-high and low frequencies, immerse yourself in a rich and high-quality sonic experience. Conformal Coating Improved moisture resistance of the circuit boards to prevent corrosion. Protective Caps and Cover All control holes,RCA, wired remote and Speaker Level input terminals are coverd with caps and plastic covers to avoid from moisture and dust. Sliding Terminal Cover Detachable sliding terminal cover offers a sleek design and easier installation. One-side Connection All terminals and connections are on one side for easier installation and a cleaner look.Variable Gain CircuitImproved Signal to Noise Ratio Speaker Level Input Harness Speaker Level Input Harness is included to connect to speaker wires from factory installed receivers. General Features XM802-5 XM502-1 XM302-4 MAX POWER 1600W 1000W 600W RMS POWER OUTPUT (4Ω) 50W x 4 + 300W 300W 50W x 4 RMS POWER OUTPUT (2Ω) 75W x 4 + 500W 500W 75W x 4 RMS POWER OUTPUT Bridged 150W x 2 (Bridged) + 300W - 150W x 2 (Bridged) Features Speaker Level Input Speaker Level Input Speaker Level Input Signal Sensing Turn-On Signal Sensing Turn-On Signal Sensing Turn-On Variable High Pass Filter Variable Low Pass Filter Variable High Pass Filter Variable Low Pass Filter Infrasonic Filter Variable Low Pass Filter Conformal Coating Conformal Coating Conformal Coating Bass Boost Bass Boost Bass Boost Optional Wired Remote Ready Optional Wired Remote Ready Dimensions (W)9-3/4" x (H) 2-1/16” x (D)6-5/8” (W)8-3/8” x (H)2-1/16” x (D)5-7/8” (W)8-3/8” x (H)2-1/16” x (D)5-7/8” Weight 4.6 lbs ( 2.1 kg) 3.3 lbs ( 1.5 kg) 3.1 lbs ( 1.4 kg)