Description: This audio power for amplifier is suitable for many places to use, such as home, car, and so on. This stereo radio power for amplifier supports bluetooth wireless connection and supports for TF card, for AUX and U disk. This digital audio power for amplifier features treble, bass and volume control. This bluetooth audio power for amplifier is low distortion and can provide more powerful sound. This audio power for amplifier is designed with remote control function, and is easy to operate and use. Specifications: Color: Black. Material: Iron. Size: 19*15*4.5cm. Bluetooth version: 4.0. Remote control battery: CR2025 button battery.(Not built-in) Rated impedance: 4-16& for Omega;. Rated power: 15+15W.( It is recommended to connect a pair of speakers below 6 inches) Peak power: 800W. Power supply requirements: DC 12V/AC 220V/110V. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. The external connection of the power supply should be clearly divided into positive and negative poles, and the intermediate core of the power for amplifier DC seat is positive. Do not store MP3s in internal cards and USB flash drives in folders. Package included: 1x Audio for Amplifier 1x Remote Control(CR2025 battery not built-in)