Low distortion and easy operation, nice for use on your vehicle or your home. Lightweight matt silver aluminium casing and allows for full control of your volume, treble and bass output. It also has a jack for plugging your MP3, MP4. Features: Connect with mobile phones, computers, MP3, MP4 and DVD players. Three channels, provide a variety of options. Mini car amplifier, save your car room and easy to operate. Mega bass part and volume control, offer you sensational music. All-aluminum and sand-blasting casing, not easy to be broken. Low consumption and perfect thermal stability. Total harmonic distortion: less than 0.4 percent. Specifications: Material: aluminum Color: silver Impedance: 4-8Ω SNR: 75dB Frequency response: 29 - 18KHz Distortion: less than 0.1 (1KHz) Output power: RMS 15W * 2CH, Subwoofer 20W * 1CH Item size: 140 * 105 * 40mm / 5.5 * 4.1 * 1.6in Item weight: 240g / 8.5ounce Package size: 160 * 130 * 50mm / 6.3 * 5.1 * 2.0in Package weight: 340g / 12.0ounce Packing List: 1 * Car Amplifier