ITEM NAME:XY-P40W Stereo Bluetooth 5.0 Digital Amplifier Module Board Dual Channel Descriptio n Description: 100% brand new and high quality Practical and durable Fine workmanship Long service life Module protection mechanism: reverse power protection, short circuit protection, self-recovery overheat protection Specifications: Model: XY-P40W Operating Voltage: DC5~24V Bluetooth Version: 5.0 Transmission Distance: 15 Meters (Visual Unobstructed) Number Of Channels: Two Channel (Stereo) Output Power (@1KHz) 20W*2 @12V 4ÃŽ © 30W*2 @16V 4ÃŽ © 30W*2 @21V 8ÃŽ © 40W*2 @24V 8ÃŽ © Adapter Speaker (40W~200W) 4 Ohms (5~16V Power Supply) 8 Ohms (5~24V Power Supply) Package Included: 1 *Â XY-P40W Bluetooth Digital Amplifier Module Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! XY-P40W Stereo Bluetooth 5.0 Digital Amplifier Module Board Dual Channel.1 XY-P40W Bluetooth Digital Amplifier Module. Bluetooth Version: 5.0. Number Of Channels: Two Channel (Stereo). Output Power (@1KHz). We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.