Bluetooth V4.2 CSRA64110 Mono Power Amplifier Board with Bootstrap Boost TWS Box for driving 5/6/8W Speakers

Specification Power amplifier board size 4 35 x 3 6CMSupport TWS pair box 2 wireless stereo speakers no call function Qualcomms CSRA64110 low power consumption power on the default volume is maximum self boosted 6 5V lithium battery power supply to drive 4 ohm 5 6 8W speakers Mono combined left and right channels VCC GND 3 3 4 2V powered by lithium battery SPK Speaker 4Ω 5 6 8W COM Button public terminal the other end of the button is connected to VOL VOL PREV NEXT PLYKey Description VOL Short press to increase the volume long press to increase the volume VOL Short press to decrease the volume long press to decrease the volume continuously NEXT Short press a song PREV Short press the previous song PLY Short press to play pauseSpecial function description PLY Long press for 3 seconds to force enter pairing mode long press for 6 seconds to clear the pairing list PLY VOL Press and hold for 1 second at the same time to enter the search TWS mode PLY VOL Press and hold for 1 second at the same time to enter the searched TWS mode VOL VOL Press and hold for 1 second to disconnect TWSPackage included 1 x Bluetooth mono power amplifier board