CA 504N 4-channel amplifier Max 4x 150W/ 4Ω (Bridged 2x 300W) RMS 4x 50W/ 4Ω (Bridged 2x 150W) RCA input 0,2 - 3V Delay remote on Short circuit protection Thermal protection Tri-mode capability Full-range / Low-pass / High-pass filter 50Hz - 250Hz 2Ω stable (stereo) PWM regulated power supply Dimensions: 290 x 260 x 55mm