400W HiFi Digital Power Amplifier Mini Stereo Audio Amp

Made of high-quality material, sturdy and anti-scratch. Easy to install and use. One-hand operation, with Hi-Fi sound quality and powerful output, suitable for most home speakers and earphones with Volume control function. Widely applied to various tablet PC, TV, smartphone, iPhone and etc, not for Echo, Alex.​ Specifications: Color: Black Material: aluminum alloy Size: about 12.5 x 9 x 4cm Input Voltage: DC 12V Channel: 2CH Load Impedance: 4-16Ω