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Mini Digital Power Amplifier Board Module

Mini Digital Power Amplifier Board Module

20W30W40W50Wx2 HIFI Wireless BT5.0 Stereo Audio AMP with Volume Control Knob and Switch

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This is a cost-effective audio power amplifier specially designed for HIFI sound. Good quality with affordable price. 

Features:
Made of good materials, delivers high performance. A cost-effective power amplifier for HIFI music.
Employ TPA3116D2, a Class-D stereo amplifier IC with high performance. The modulation frequency can be up to 1.2MHZ.
Equipped with BT 5.0, transmit farther and more efficiently.
The potentiometer with a switch for easy control of the volume, making it ideal for DIY speakers.
Integrated self-protection circuits including over-temperature and short circuit.
Comes with DC lead, compatible with the power input interface of this product, even if you don't have a DC adapter or battery, it can be easily wired.

Specifications:
Material: ABS
Color: Black
Model: ZK-502L mini
Chip: TPA3116D2(with AM avoidance)
BT version: 5.0
Output power: 50W x 2
Maximum Power Per Channel: 50W 
Allowable supply voltage: 5~24V (optional 9V/12V/15V/18V/24V adapter, high power for high voltage)
Compatible speaker: 30W-200W, 4Ω,8Ω
Number of channels: left and right dual channel(stereo)
Transmission distance: 15 meters (without barrier)
Protection measure: overheat protection, short circuit protection
Power supply voltage: 12V, 8Ω speaker/12W (left channel) + 12W (right channel), 4Ω speaker/20W +20W
15V, 8Ω/18 +18W, 4Ω/ greater than 30 + 30W 
19V, 8Ω/32 + 32W, 4Ω/ greater than 45 +45W
24V, 8Ω/38 + 38W, 4Ω/ greater than 50+ 50W
Item Size: 7.6 * 3.8 * 1.5cm / 2.99 * 1.49 * 0.59in
Item Weight: 23g / 0.81oz
Package Weight: 74g / 2.61oz
Package Size: 11 * 6.5 * 5cm / 4.33 * 2.55 * 1.96in

Note:
1. 
Only when the audio input is sufficient and the power supply voltage/current is sufficient, will there be enough output power. The higher the power supply voltage, the higher the relative power. The speaker with different impedance will have different output power. In the case of sufficient voltage and current, the larger the ohm of speaker, the smaller the relative sound power.
2. The switch on the board is for control of standby mode. When turn off the switch, the unit is in a low-power standby state. If you want to completely turn it off or you may not use it for a long time, you can just unplug the DC cable.

Packing List:
1 * Amplifier Module
1 * Screwdriver
1 * DC lead
1 * Shell
1 * Knob

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