12V 9900W Car Amplifier 4-channel Powerful Car Audio Subwoofer Aluminum Alloy Vehicle Power Stereo Amp A/B Car Sound Amplifiers

Features: * 4-Channel Car Power Amplifier * Amplifier Class: Class A/B * Stereo surround * Main push four-door speaker * Passive subwoofer * Slim design * Aluminium alloy casting drawing process * External heat sink * Thermal Overload & Speaker's Short Protection Specifications: Material: Aluminium alloy Channel: 4 Working Voltage: DC 12V Output Voltage: 0.25-6.0V Peak Power Output: 9900W Total Harmonic Distortion (THD) RMS Output: ＜0.02% Signal-to-Noise Ratio (SNR): ＞95dB Sensitivity: 150mV Impedance: 2Ω~4Ω Applicable frequency: 50Hz-300Hz Frequency response range: 20Hz-20KHz Size: 32x22x5cm/12.6x8.7x2in Package Include: 1 x Car Audio Amplifier 1 x User Manual Note: 1. Please allow 0.5-1cm differences due to manual measurement. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures.