ZK-R302 Volume Indicator LED Bluetooth Audio Amplifier Board Module TPA3118 High And Low Bass Adjustment 30Wx2 Speaker

Feature 1 High end audio experience2 Protection mechanism over temperature over current short circuit anti static protection3 Features Support Wuzhi Audio APP Modify the bluetooth name password settings promptsSound volume adjustment on off prompt sound sleep aid sound effect selection custom sound effect U disk playlist volume indicator brightness adjustment 4 Power amplifier chip TPA31185 Multi function knob 360 degree stepless tuning with volume level indication Specification Model ZK R302Name 2 0 channel 30WX2 stereo with high and low bass adjustment Bluetooth audio power amplifierPower amplifier chip TPA3118Bluetooth version 5 1Audio input Bluetooth AUX U disk USB sound cardAudio output left channel 30W right channel 30WAdapter power supply DC9 24V ≥3A can not be connected to AC Adapter speaker 10 50W 4 8ΩVolume adjustment multi function knob 360 degree stepless tuning with volume level indication Click Play PauseDouble click mode switch Bluetooth U disk AUX Press and hold for 1 second turn on offRotation adjust the volumeProtection mechanism over temperature over current short circuit anti static protectionFeatures Support Wuzhi Audio APP Modify the bluetooth name password settings promptsSound volume adjustment on off prompt sound sleep aid sound effect selection custom sound effect U disk playlist volume indicator brightness adjustment Product size 81x81x34mmProduct weight net weight 77g including packaging