Stereo Amplifier, Mini 20W 2 Channel HiFi Stereo Bass Power Amplifier, Home/Car Audio Digital Amp Support 3.5mm Audio Jack/RCA Input Port

Specifications: Input impedance: 47Kohm Speaker impedance: 4 - 8 ohms Compatibility: Compatible with mobile phone, MP3, computer Volume control: Support Connection: Wired Interface: 3.5mm audio jack, RCA input port Audio Source: Electronic devices with 3.5mm plug Material: Aluminum alloy Frequency: 20Hz-20KHz Distortion: <0.4% S / N: >80dB Frequency response: 20Hz ~ 20KHz Distortion: <0.1 (1KHz) Output power: RMS 20W x 2CH Input: DC 12-14.4V  2A Size: Approx. 15.4 * 9.5 * 3.9cm / 6.1 * 3.7 * 1.5inch Color: Silver  Package weight: approx. 310g Package List: 1 x Power Amplifier 1 x User Manual