Features: Adopt TI TPA3116D2 chip to get clear sound, aluminum shells wireless amplifier makes your house audios speaker more powerful, perfect for your desk or a small space in your home or office. Blue tooth5.0 wireless streaming ranges up to 15 m, with bass and trebles control. Simple compact designs but practical and powerful. Equipped with the TI TPA3116D2 chip to achieve clear sound. No audibles sounds, absolute peace when nothings has been played. Advanced circuit designs, built-in speaker protections circuit, Suitable for booksheves/computer/desktop/speaker at home. Built-in home amplifier, exclusively designed for customers who strives for better sound. Supplied with power adapter and power cable that you can use directly. What you get: BT10A amp x1, power supply x1, user manual x1. Specifications: Material: aluminum alloy Plug standard: UK/EU/Austria/US(optional) Model: BT10A Power adapter: 19V/4.74A Dcinput ranges: 15-24V Terminal impedance: 2-8ohms Maximums output power: 50Wx2 THD: 0.04%; Frequency ranges: 20Hz-20 KHZ (1dB) SNR: 98dB Input sensitivity 280mV Input mode: Blue tooth and 3.5mmAUX Blue tooth transmission distance: up to 39 feet (12 meter) Adjust the sound as needed through bass and trebles control Blue tooth 5.0 streaming ranges up to 39 feet (12 meter) Instruments 3116D2 power amplifier chip to ensure better sound quality Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xBT10A amp 1xPower Supply 1XUser Manual