ZK-TB22 TPA3116 50w+50w+100w Bluetooth 5.1 Audio B Power Amplifier Board Stereo Tweeter Subwoofer With Phone APP

Product selling point:1: Stereo and subwoofer2: Adjust the volume separately:3: Support remote update4: Increase the and increase the heat sink:5: Protection mechanism: over temperature, over current, short circuit, anti-static protections:Model: ZK-TB22Name: 2.1 50W+50W+100W tweeter subwoofer adjustment bluetooth audio power amplifierPower amplifier chip: TPA3116D2Bluetooth version: 5.1Bluetooth nsmiion distance: 10 meters (if you need a longer distance, please connect an external yours)Audio input: Bluetooth+AUXAudio output: left 50W + right 50W + subwoofer 100WAdapter power supply: DC12-24V, ≥7A (can not be connected to AC)Adapter speakers: left and right s 20-5W, 4-8Ω; subwoofer 20-100W, 4-8ΩVolume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;Master volume with on single 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 pairing boxes, with a stronger sense of spatial positioning.Product size: 121x100x26mmProduct weight: net weight 215g, including pack 258g