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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
220W 12V 24V Power Bluetooth Wireless TP3251 Stereo Audio Amplifier Board Treble and Bass Control SubwooferFeatures 1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high performance class D power amplifier, which has class D efficiency and can bring real high end sound quality. The device features advanced integrated feedback design and proprietary high speed gate driver error correction (pure path TM HD). This technology can make the device maintain ultra low distortion in the whole audio frequency band and show high definition sound
Features1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high-performance class D power amplifier, which has class D efficiency and can bring real high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction (pure path TM HD). This technology can make the device maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time.
2. Bluetooth-compatible 5.1 audio power amplifier module: 2.1 dual channel stereo output, output power 220W * 2 (left and right channels) + 350W (subwoofer), pure HiFi sound quality. The treble is pure and transparent, the midrange is gentle and delicate, and the bass is surging and shocking.
3. Classic appearance multifunctional main knob: the main knob adopts rotary encoder only used in high-end power amplifier to realize 360 degree stepless tuning. It feels smooth, one key start and stop, long press to start and stop, and the operation is simple and convenient.
4. Support mobile app control: newly upgrade Sini link app; Support to modify Bluetooth-compatible name; Set Bluetooth-compatible password; Off / on tone
5. Supported audio input: Bluetooth-compatible 5.1, AUX, USB sound card, USB flash disk
6. Heat dissipation mechanism: Heat sink + fan for heat dissipation, safe and worry free. Large area aluminum alloy heat sink with special-shaped structure and fan support are adopted to reduce the temperature and effectively ensure the full power operation of the product
Specification
1. Power supply: Above DC12-38V/10A
2. Bluetooth version: 5.1
3. Audio channel: 2.1 channels
4. Audio input: Bluetooth-compatible + AUX + USB flash disk + USB sound card
5. Audio output: left and right channels + subwoofer
6. Frequency range: 20Hz -- 20KHz
7. Volume adjustment: Encoder knob adjustment, smooth feel
8. Output power of left and right channels:
- 220W/3ohms--36VDC
- 175W/4ohms--36VDC
- 100W/8ohms--36VDC
9. Output power of subwoofer:
- 355W/2ohms--36VDC
- 250W/3ohms--36VDC
- 195W/4ohms-36VDC
10. Protection mechanism: Overvoltage, undervoltage, clipping, short circuit, overheating and other protection
11. Unique functions: Support sinlink app, modify Bluetooth-compatible name, set Bluetooth-compatible password, and turn off / on prompt tone
12. Product size: 130mm x 116mm x 27mm
Specification:
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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
4.5 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Very nice Great Value
Color: 4 Black, Size: Queen
This Extremely nice stays on tight and I personally like the color instead of just white. Excellent vaule. I liked it so much I replaced all our old ones
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Perfect for Platform Beds and Pet Owners Perfecto para camas de plataforma y dueños de mascotas
Color: 1 Gray, Size: King
"This is a great option if you have a platform bed. It looks very beautiful as a bedspread and stays perfectly smooth. It's also perfect if you have pets because it prevents accidents. It’s very useful and looks great."
"Es una excelente opción si tienes una cama de plataforma. Se ve muy bonito como colcha y queda muy estiradito. Además, es perfecto si tienes mascotas porque evita accidentes. Me fue muy útil y se ve muy bien."
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Utopia bedding is GREAT
Color: White, Size: Full
I had never heard of Utopia before I suddenly needed to buy bedding for my adult autistic son. He has sensory issues so shopping for anything that touches his body is a bit of a nightmare. I took a gamble on these sheets but it paid off big time! He says they are the most comfortable sheets he has ever slept on and that he doesn't overheat sleeping in them. What I liked about them is that the pockets were deep enough that it fit on his oversized plush mattress easily. I love the color and the ones I bought were very true to the picture. These are soft, comfy, they look nice and they are affordable. I liked this brand so much that I went ahead and got pillows and a comforter from them as well. Its is great for my son and I am very pleased to have found a fabric he tolerates.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Wonderful sheet set
Color: Grey, Size: California King
A very beautiful sheet set at an excellent price—the material is soft and comfortable! I loved the color!!!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Perfect Fit and Great Quality Sheet Set (10/10)
Color: Grey, Size: King, Color: Grey, Size: King
⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐ (10/10)
This bedsheet has been working flawlessly and honestly exceeded my expectations.
The fit is perfect on the mattress—it wraps securely without slipping or coming loose during the night. It stays in place even after movement, which makes a big difference in comfort and convenience.
The fabric feels soft, comfortable, and well-made, giving a clean and fresh look to the bed. It’s also very easy to put on and remove, which makes washing and changing sheets much simpler.
So far, there are absolutely no issues at all. Everything works exactly as it should, and it holds up really well with daily use.
Overall, it’s a simple but high-quality product that does its job perfectly. I would definitely recommend it—10/10.
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Reviewed in the United States on May 10, 2026