ST-838 2.1 Bluetooth HiFi Amplifier: The Ultimate Power for Your Subwoofer Setup
Take your audio experience to the next level with the ST-838 2.1 Channel Bluetooth Amplifier. Unlike standard 2.0 amps, the ST-838 features a dedicated Subwoofer output, allowing you to create a true 2.1 surround sound system at home or in your vehicle. With built-in Bluetooth 5.0, you can stream high-quality music wirelessly from your phone, tablet, or laptop without the mess of wires.
Encased in a premium Aluminum Alloy shell, this amplifier is built to last while providing excellent heat dissipation and anti-interference performance.
Why Choose the ST-838?
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Wireless Bluetooth 5.0: Enjoy stable, long-range wireless connectivity for a modern, cable-free setup.
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Powerful 2.1 Channel Output: Supports two satellite speakers and one passive subwoofer (20W x 2 + 40W Sub), delivering deep, punchy bass that you can feel.
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Precision Tuning: Features independent knobs for Master Volume, Treble, and Bass, giving you full control over your sound signature.
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Multiple Inputs: Supports Bluetooth, RCA, and 3.5mm AUX, making it compatible with everything from old DVD players to the latest smartphones.
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Compact & Durable: Small enough to fit on a desk or under a car seat, with a rugged aluminum body that looks great in any setting.
Technical Specifications:
| Feature | Details |
| Model | ST-838 (Bluetooth Version) |
| Channel | 2.1 (Left + Right + Subwoofer) |
| Power Output | 20W x 2 (Stereo) + 40W (Subwoofer) |
| Bluetooth Version | 5.0 (High Fidelity) |
| Input Voltage | DC 12V (3A – 5A recommended) |
| Impedance | 4 – 8 Ohms |
| Frequency Range | 20Hz – 20KHz |
| Body Material | Aluminum Alloy |
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