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Description
HKD BLUETOOTH 5.0 AMPLIF 50W+50WZK 502M 50W+50W Bluetooth 5. 0 Power Audio Amplifier Board Bluetooth 5. 0 Power Audio Amplifier Board Specifications Product Name MINI 2*50W Bluetooth 5. 0 power amplifier module Product model ZK 502M Chip model Domestic amplifier chip Audio input Bluetooth+AUX+USB flash disk+Computer USB(plug and play) Power Supply DC5 24V(high power recommended high voltage) Adapter speaker 10 100W; 4 8 Channels Left and right stereo (stereo) Bluetooth version 5.
ZK-502M 50W+50W Bluetooth 5.0 Power Audio Amplifier Board
Bluetooth 5.0 Power Audio Amplifier Board
Specifications
| Product Name | MINI 2*50W Bluetooth 5.0 power amplifier module |
| Product model | ZK-502M |
| Chip model | Domestic amplifier chip |
| Audio input | Bluetooth+AUX+USB flash disk+Computer USB(plug and play) |
| Power Supply | DC5-24V(high power recommended high voltage) |
| Adapter speaker | 10-100W; 4-8Ω |
| Channels | Left and right stereo (stereo) |
| Bluetooth version | 5.0(>15 meters without occlusion) |
| Bluetooth name | Wuzhi Audio |
| Protection mechanism | Overheat, Overcurrent, short circuit protection |
| Product size | 60x60x29mm |
| Product weight | about 96g(packaging) |
| Tip: To have enough output power if the audio input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound power. Please pay attention! | |
| Power supply voltage: 12V-----8Ω/12W+12W, 4Ω/20W+20W 15V-----8Ω/18W+18W, 4Ω/30W+30W 19V-----8Ω/30W+30W, 4Ω/40W+40W 24V-----8Ω/40W+40W, 4Ω/50W+50W |
|
Package includes:
1 x bluetooth Digital Amplifier Module kit
Additional Information
| Device | Amplifier Board |
| Type | Bluetooth 5.0 | Power | Audio |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
It holds so many plugs!
Size: 6.5 Ft, Color: Black
I am using this to plug all of my Christmas village pieces in. I haven't used it yet, but it's going to be great to keep the plugs all in one area.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
well designed
I have two of these. The number and orientation of outlets has fit all my needs. I haven't needed the USB's yet, but I'm glad they are there. The thin plug and off-center angle are very useful. One is in use under my three seat power reclining sofa, guitar multi-effects, and a couple lamps are plugged into it.
The other is in a drawer powering the air pump, power filter, lighted hood and heater for the aquarium on top of the dresser it is in.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
Great item.
Size: 10ft Cord, Color: 20W_Black
It was a good item. So far, no issues. I have multiple devices connected to it.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Ideal - Organized and Many Plug-in Options
Size: 6ft Cord, Color: 20W_Black
Just what I was looking for at the bottom side of my bed stand to keep 5-7 cords organized and the area clean, .... clock, lamp, chargers, infarred heating pads, and other plug-ins and charger cords as needed.
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Needs better hardware
Size: 6ft Cord, Color: 20W_Black
Yoooooo great product but what is with the comically tiny screws? Actually installing this on the underside of a wooden desk is near impossible unless, of course, you are in fact a Disney princess and in charge of a team of handy-dandy mice all with #0 Phillips head screwdrivers and 5/32" drill bits. They drill, you hold, kind of thing.
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Reviewed in the United States on May 11, 2026