
Product Name: Bluetooth stereo audio power amplifier board Output mode:stereo Output power(@1KHz):20W*2@12V 4Ω,30W*2@16V 4Ω,30W*2@21V 8Ω,40W*2@24V 8Ω Speaker (30W~150W):4Ω(5~16V supply),8Ω(5~24V supply) protection:Power reverse protection,Short circuit protection,Thermal protection Product Model: XY-P40W Supply voltage:DC:5~24V Bluetooth version:5.0 Connect distance: 15 meters(visible) size:55*38*14mm Material:PCB colour:black Package Contents: 1 * Bluetooth power amplifier module 2 * Acrylic shell 4 * Copper pillar 8 * Screw Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.