<p></p><p><br/></p><p><strong><span style="font-size:18px">Stepless tuning using rotary encoder used by high-end speakers</span></strong></p><p><br/></p><p><strong><span style="font-size:18px">Smooth feel with one-key start and stop</span></strong></p><p><br/></p><p><br/><br/><br/><br/></p><p><span style="font-size:18px"><strong>Product parameters:</strong></span></p><p><br/><br/></p><p><span style="font-size:16px">Product name: 20W+20W Bluetooth audio power amplifier board</span></p><p><br/></p><p><span style="font-size:16px">Product model: XY-C15H</span></p><p><br/></p><p><span style="font-size:16px">Power supply: DC9-24V/2A and above</span></p><p><br/></p><p><span style="font-size:16px">Bluetooth Version: 5.0</span></p><p><br/></p><p><span style="font-size:16px">Audio input: Bluetooth + AUX input</span></p><p><br/></p><p><span style="font-size:16px">Transmission distance: 15 meters (unobstructed)</span></p><p><br/></p><p><span style="font-size:16px">Volume adjustment: high-end encoder knob adjustment, smooth feel</span></p><p><br/></p><p><span style="font-size:16px">Adapter speaker: 10W-100W /4 ohm-16 ohm</span></p><p><br/></p><p><span style="font-size:16px">Output power: 20W*2</span></p><p><br/></p><p><span style="font-size:16px">Protection mechanism: electrostatic protection, overheating protection, overcurrent protection, short circuit protection</span></p><p><br/></p><p><span style="font-size:16px">Unique function: support Sinilink-APP control</span></p><p><br/></p><p><span style="font-size:16px">Product size: 67 x 47mm</span></p><p><br/></p><p><span style="font-size:16px">Colour: black</span></p><p><br/></p><p><span style="font-size:16px">Material: PCB circuit board</span></p><p><br/></p><p><span style="font-size:18px"><strong>Package Contents:</strong></span></p><p><br/><br/></p><p><span style="font-size:16px">1 x amplifier board</span></p><p><br/></p><p><span style="font-size:16px"><strong>Note:</strong></span><span style="font-size:16px"> 1.For DIY---The outer casing is a material package, It needs to be assembled by itself, and the material package is given a screwdriver.</span></p><p><br/></p><p><span style="font-size:16px">2.---Attention!The heat sink tape 3M glue needs to be pasted to the chip by itself. Please refer to the picture in the description. The hotter the more sticky the thermal conductivity is.The shell version needs to be assembled by yourself. Screwdriver is given with the shell version.</span></p><p><br/></p><p><span style="font-size:16px">3.For use---The power switch on the board is standby switch. After the switch is off, the machine is in standby state with low power consumption. If the power is completely turned off or the DC plug on the machine can be unplugged for a long time.</span></p><p><br/></p><p><br/><br/></p><p><span style="font-size:16px"><strong>Note:</strong></span><span style="font-size:16px"> When using a 4 ohm speaker, the power supply cannot exceed 12V;</span></p><p><br/></p><p><span style="font-size:16px">Use 8 ohm speakers, the power supply can not exceed 24V</span></p><p><br/><br/><br/></p><p><span style="font-size:16px">Only the above package content, other products are not included.</span></p><p><br/></p><p><br/><br/><br/><br/><br/><br/></p><p><strong><span style="font-size:16px">Note:</span></strong><span style="font-size:16px"> Light reflection 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.</span></p><p><br/></p><p></p><p><br/></p><p><br/></p>