1. Excellent quality: high quality material, safe and durable.
2. Stable performance: with better noise performance, excellent output drive capability and relatively high small signal bandwidth, large power supply voltage range.
3. High fidelity: When used as an audio amplifier, the tone is warm and the fidelity is high.
4. Wide range of uses: suitable for high quality and professional audio equipment, instruments, control circuits and telephone channel amplifiers.
5. It has the characteristics of small size, high efficiency, high power and small heat.

Product Specifications
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, 27A (can not be connected to AC)
Adapter speakers: left and right channels 20-50W, 4-8Ω; subwoofer 20-100W, 4-8Ω
Volume adjustment: the total volume, stereo volume, and subwoofer volume can be adjusted separately, with a wide range of adjustment; the total volume with buttons Single click: play/pause Double click: the next song Triple click: select or cancel the box mode
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password setting, volume adjustment of prompt tone, on/off prompt 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.
size: 121 x 100 x 26MM
Material: ABS
colour: black

Package Contents:
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