Remote Controls Mini BT Stereo Audio Power Amplifier Portable Sound Amp with Remote Control for Home and Car This car power amplifier is a 2-channel professional amplifier, suitable for car, motorbike, boat, home use with easy installation, anodized aluminum alloy chassis, built in electronic tuning FM radio. Features: Filtering and anti-large-capacity power circuit. Sound mode LED digital display. Pre-professional level input operational amplifier I-C for circuit design, sound is clear and bright. Dual channel RCA stereo input, stereo output. Support USB/S-D/MP3 playback, and can connect to the external DVD/mobile phone, computer input. Specifications: Material: aluminium alloy Color: red, blue (optional) Power: 20W * 2 Speaker impedance: 4-8Ω SNR: 85dB Remote battery: CR2025, 3V, 150mAh Frequency range: 20-20KHz Item size: 155 * 125 * 42mm / 6.1 * 4.9 * 1.7in Item weight: 350g / 12.3ounce Package size: 170 * 140 * 50mm / 6.7 * 5.5 * 2.0in Package weight: 400g / 0.9lb Note: Package without battery and plug(for power amplifier), you need to prepare your own power-supply. Packing List: 1 * Power Amplifier 1 * Remote Control 1 * User Manual