SKU: 71943766636

ZK-502C HIFI Wireless Bluetooth 5.0 TPA3116 Digital Power Audio Amplifier Board 50W X 2 Stereo AMP Amplificador, ZK-502C With Shell, ZK-502C Without Shell

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Description

ZK-502C HIFI Wireless Bluetooth 5.0 TPA3116 Digital Power Audio Amplifier Board 50W X 2 Stereo AMP Amplificador, ZK-502C With Shell, ZK-502C Without Shell1. Chip solution: TPA3116D2 (with AM interference suppression function) 2. With or without filter: Yes (the sound is more mellow and clear after filtering) 3. Adapted supply voltage: 5~27V 4. Adapted speakers: 30W~200W, 4ohms, 8ohms 5. Number of channels: left and right dual channels (stereo) 6. Bluetooth version: 5. 0 7. Bluetooth transmission distance: 15 meters (unobstructed) 8. Protection mechanism: overvoltage, undervoltage, overheating, DC


1. Chip solution: TPA3116D2 (with AM interference suppression function)
2. With or without filter: Yes (the sound is more mellow and clear after filtering)
3. Adapted supply voltage: 5~27V
4. Adapted speakers: 30W~200W, 4ohms, 8ohms
5. Number of channels: left and right dual channels (stereo)
6. Bluetooth version: 5.0
7. Bluetooth transmission distance: 15 meters (unobstructed)
8. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
9. Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the greater the ohms of the speaker, the lower the relative sound power, please pay attention!
10. Power supply voltage:
-12V ------ 8 ohm speaker/12W (left channel) + 12W (right channel), 4 ohm speaker/20W+ 20W
-15V ------ 8 ohms/18+ 18W, 4 ohms/more than 30 + 30W
-19V ------ 8 ohms/32 + 32W, 4 ohms/more than 45 + 45W
-24V ------ 8 ohms/38 + 38W, 4 ohms/more than 55 + 55W


Specification:
Package Weight
One Package Weight 0.12kgs / 0.25lb
One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch
Qty per Carton 100
Carton Weight 13.00kgs / 28.66lb
Carton Size 52cm * 52cm * 32cm / 20.47inch * 20.47inch * 12.6inch
Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs
40HQ: 715 cartons * 100 pcs = 71500 pcs

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SKU: 71943766636

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Ann
Birmingham, US
★★★★★ 5
Excellent Read with Awesome Declarations and Decrees
Format: Paperback
This is a really good book. I heard about the author on ElijahStreams. She is not only a good author and know what she is talking about, she is also a good preacher/teacher. I recommend this book. Use the decrees and declare them OUT LOUD!
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Reviewed in the United States on December 13, 2025
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kimberly williams
Lowell, US
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Very good
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Great book I recommend
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Reviewed in the United States on January 30, 2026
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Kelly
Phoenix, US
★★★★★ 5
Instruction manual
Format: Paperback
Great read!!
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Reviewed in the United States on January 27, 2026
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sarah rasras
Lowell, US
★★★★★ 5
How to take back what the thief has stolen
Format: Paperback
I took a long time to read this book so I could soak in and apply the principles laid out from God's Word. We have all been stolen from in some way or another, whether it has been failed relationships, finances, health, or even what we feel is our calling or destiny. The good news is that we can stand on God's Word and take back what the thief has stolen. I am still applying what I have learned to have faith that God will restore the years that the locusts have eaten
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Reviewed in the United States on July 13, 2025
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Waukegan, US
★★★★★ 5
Hardcopy
Format: Paperback
I love this book. I purchase the audiobook, I wish I had purchased the hardcopy instead. It has so much information that you must read and re-read each chapter in order to gleam all the knowledge it provides.
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Reviewed in the United States on February 16, 2026

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