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ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer, TPA3221 Chip, Bass/Treble Control, Bluetooth/AUX/USB Input, 12-30V Wide Voltage Vehicle Amplifier
4.8 (82 items)
Limited Time SaleUntil the end
11
49
15
US$21.59 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
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Used US$14.40
Product details
| Management number | 208610633 | Release Date | 2026/03/22 | List Price | US$14.40 | Model Number | 208610633 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- High-Fidelity Audio Performance Powered by dual TPA3221 HIFI chips, this board delivers 100W×2 (stereo) + 200W (subwoofer) output for immersive sound. Supports wide voltage input (12-30V DC) for stable, high-power operation in car audio or home theater setups.
- Versatile Connectivity Seamlessly connect via Bluetooth , AUX, or USB drive—compatible with phones, TVs, laptops, and more. Plug-and-play design for hassle-free use.
- Precision Sound Customization Go beyond basic volume control! Adjust the dedicated bass/treble knobs to enhance audio clarity, deepen lows, and create a layered soundstage tailored to your preferences.
- Built-In Safety Protections Engineered with short-circuit/over-current/overheat/reverse-polarity protection. Automatically alerts the system during faults to prevent damage—ideal for prolonged use.
- Reliable Support Backed by 24/7 customer service. Contact us for any questions or issues—we guarantee a 100% satisfactory resolution.
| Manufacturer | Wuzhi Audio |
|---|---|
| Item model number | Wuzhi Audio ZK-ST21 |
| Package Dimensions | 5.91 x 4.72 x 1.57 inches; 7.76 ounces |
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Amplifiers
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