ZK-LT22 2.1 Bluetooth 5.1 Audio Power Amplifier Board Module 15W*2+30W Subwoofer True Wireless Wuzhi Audio APP

Product selling point:1: Adjust the volume of stereo and subwoofer separately2: Support remote update More high-definition lole U disk formats:3: Full-core design · box-to-box function4: Protection mechanism: over temperature, over current, short circuit, anti-static protection5: Support Wuzhi Audio APP. Modify the bluetooth name, paword setting, volume adjustment of prompt tone, on/off prompt tone, sleep , upgrade, etc. Box pairing function, the true wirele function enables two sets of speakers to be combined into left and right pair boxes, with a stronger sense of spatial positioning.s:Model: ZK-LT22Name: 2.1 15W+15W+30W subwoofer adjustment bluetooth audio power amplifierPower amplifier chip: domestic chipBluetooth version: 5.1Bluetooth nsmiion distance: 10 metersAudio input: Bluetooth+AUX+U disk+USB sound cardAudio output: left 15W + right 15W + subwoofer 30WAdapter power supply: DC9-24V, ≥3A (can not be connected to AC)Adapter speakers: left and right s 10-30W, 4-8Ω; subwoofer 10-30W, 4-8ΩVolume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;Master volume with on click: play/pause double click: next songTre tap: select or deselect box modeProtection mechanism: over temperature, over current, short circuit, anti-static protectionFeatures: Support Wuzhi Audio APP. Modify the bluetooth name, paword settings, prompt volume adjustment, on/off alert tone, sleep , upgrade, etc. Box pairing function, the true wirele function enables two sets of speakers to be combined into left and right pair boxes, with a stronger sense of spatial positioning.Product size: 75x70x20mmProduct weight: net weight 77g, including pack 124gOperation introduction of box function:1 Turn on two amplifiers of the same model.2. Select any power amplifier, and pre the master volume knob with key function three times. At this time, the red indicator fes, and the other power amplifier is automatically paired with it as a stereo combination. (If the pairing is not succeful within 15 seconds, the pairing mode will be automatically canceled, you can try again by preing the on three times)3 If the pairing is succeful, the selected one will be aigned as the left , the red indicator light will be always on, and the other one will be the right , and the red indicator light will f slowly.4 The next time you turn it on, it will automatically find the right box. If you want to cancel the binning mode, justTo select an amplifier, tre-click the on.The package includes:1* 2.1 bluetooth audio power amplifier board module 15WX2+30W subwoofer true wirele