Today I'm gonna test the tpa3116d2 amplifier board , it's a amplifier board ZK-TB22 tpa3116d2 amplifier board test on the upload
RH Technology YouTube Channel
1: Stereo and subwoofer
2: Adjust the volume separately:
3: Support remote firmware update
4: Increase the capacitor and increase the heat sink:
5: Protection mechanism: over temperature, over current, short circuit, anti-static protection
Model: ZK-TB22
Name: 2.1 channel 50W+50W+100W tweeter subwoofer adjustment bluetooth audio power amplifier
Power amplifier chip: TPA3116D2
Bluetooth version: 5.1
Bluetooth transmission distance: 10 meters (if you need a longer distance, please connect an external antenna yourself)
Audio input: Bluetooth+AUX
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC12-24V, ≥7A (can not be connected to AC)
Adapter speakers: left and right channels 20-5W, 4-8Ω; subwoofer 20-100W, 4-8Ω
Volume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;
Master volume with button single click: play/pause double click: next song
Triple tap: select or deselect box mode
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Tone volume adjustment, on/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pairing boxes, with a stronger sense of spatial positioning.
Product size: 121x100x26mm
Product weight: net weight 215g, including packaging 258g
Package Included:
1* ZK-TB22 2.1 channel bluetooth audio power amplifier board module tweeter subwoofer TWS true wireless TPA3116 50WX2+100W kit
#zktb22 #amplifier #tpa3116d2 #classd #subwoofer
Facebook: [ Ссылка ]
Instagram: [ Ссылка ]
![](https://i.ytimg.com/vi/qYx0DQP2OJs/mqdefault.jpg)