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, greater than equal 7A (can not be connected to AC)
Adapter speakers: left and right channels 20-50W, 4-8ohm; subwoofer 20-100W, 4-8ohm
Features: 1. Support Wuzhi Audio APP. Modify the bluetooth name, password setting, volume adjustment of prompt tone, on/off prompt tone, sleep aid, firmware upgrade, etc. 2. 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
Colour:black
Material:PCB+Metal
Package Contents:
1 x ZK-TB22 power amplifier board
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
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SHIPPING
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
