Features: Sound quality is very good by using this module. Wireless Bluetooth audio input and the Max. receiving distance is 10m. Dual channel of 15W+15W power output. Applicable speaker impedance: 4/6/8/10 ohm. Specifications: Audio Input: Wireless Bluetooth Max. Receiving Distance: 10M Power Output: Dual-channel 15W+15W Applicable Speaker Impedance: 4/6/8/10 ohm Supply Voltage: DC 10-25V(recommended More than 2A) Power Supply Interface: 2.54*3PIN Speaker Interface: 2.54*2PIN PCB Board Size: 58 * 38mm / 2.3 * 1.5in Weight: 14g

Package Included:  

      1  X TPA3110 2X15W Bluetooth Digital Power Amplifier Board for Bluetooth Speaker