DURABLE: This Hifi Bluetooth Stereo Amplifier has advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis for long time use, small size, good looks, simple functionality, and excellent sound quality. MULTIPURPOSE : This Bluetooth Stereo Amplifier is suitable for MP3, iPhone, Android, Smartphones, iPad, Tablets, Turntable, etc. It is best for Bookshelf, Computer, Desktop Speakers. !!! This Stereo Amplifier Set Has Full !!! Small simple compact design but practical and powerful Advanced circuitry design, built-in speakers protection circuit, Best for bookshelf/computer/desktop/speakers in your home;. Specification: Product: Stereo Amplifier Model: A001 Impedance: 4-8 ohm Output Power: 100W + 100W Power Supply: DC 12-24V/5A Size: 119 × 96 ×30mm Weight: 320.6G Color: Silver Package Include 1 x Stereo Amplifier 1 x Wireless Antenna