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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:
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4.6 ★★★★★
Based on 1034 reviews
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Product Reviews
★★★★★ 4
Cute read
Format: Kindle
This is a shorter book about a fox shifter who is mute but has telepathy for those she establishes a close emotional bond with. She leaves a rather cold home when she turns 18 and takes a train across country, running into one of her mates on a bus. It's a fated mates book, there's instant attraction but it takes a little while to give into the feelings. It's a fairly low spice level, more like a sweet palate cleanser. It's a standalone but there will be more books set in the same town.
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Reviewed in the United States on March 2, 2025
★★★★★ 5
beautiful story
Format: Kindle
As always a treat for your imagination. Beautiful people with even more beautiful souls. This was a great short story and a lovely quick read with a happy ever after. Thank you for writing such a delightful story. If it was a 1000 pages I would have loved it just as much. Great job…
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Reviewed in the United States on March 23, 2025
★★★★★ 5
So much feelings!
Format: Kindle
Collette was not voiceless in the least and to say she is by far my fave FMC of all time right now it's no understatement. Best 1st read of the year ever!! I love how possessive each of her men were and OMG Lena is the best BFF and girl could ask for! I'm pretty sure I need this gorgeous book on my shelf pronto!
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Reviewed in the United States on February 1, 2025
★★★★★ 5
Good start to a series
Format: Kindle
I delayed reading the series for reasons I don’t remember. But my TBR list is huge so I thought I’d take a shot of this and I was pleasantly surprised. I didn’t think the blurb about it was anything special. But it was a very good book. It took some interesting twists and turns. I am so glad the second book is already out. Because I would not have waited patiently. Very slow burn but good storyline. 🔥🔥/5
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Reviewed in the United States on January 3, 2025
★★★★★ 4
A good read
Format: Kindle
Multiple points of view. 3 Alpha men and an Omega male. She is a Beta in training for a new program placing betas in Alpha/Omega packs. Mila is only doing the program for the money to take care of her dad. She wasn't expecting to fall for a pack but when she sees this packs Omega she is done for. There is just something about him. His Alphas are good looking as well. Too bad she is hiding a secret and their government is acting shady. I liked it and can't wait to see where their story goes.
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Reviewed in the United States on November 14, 2023