Bluetooth 5.0 Amplifier Board 2.1 Channel 50W×2 +100W Subwoofer

Bluetooth 5.0 Digital Amplifier Board – 2.1 Channel, 50W×2 + 100W Subwoofer

Upgrade your home audio setup with the D800 Bluetooth 5.0 Digital Amplifier Board. Delivering a powerful 2.1-channel output — 50W per stereo channel plus a dedicated 100W subwoofer channel — this compact amplifier board brings rich, room-filling sound to any speaker system. With adjustable bass and treble controls and a sleek brushed aluminum alloy panel, it's the perfect all-in-one amplifier solution for home theater enthusiasts and DIY audio builders alike.

Made in Mainland China.

Key Features

• Bluetooth 5.0 Wireless Connectivity – Stable wireless audio streaming with up to 10 meters of range in unobstructed conditions.
• High-Power 2.1 Channel Output – 50W (Left) + 50W (Right) + 100W (Subwoofer) for deep, dynamic sound.
• 6 Versatile Input Options – Bluetooth, AUX, MIC, FM, USB, and TF Card for maximum compatibility.
• Adjustable Bass & Treble – Fine-tune your audio with intuitive onboard tone controls.
• Premium Build Quality – Brushed aluminum alloy panel with a smooth, comfortable texture and vibrant finish.
• Comprehensive Protection – Built-in overvoltage, undervoltage, overheating, AC/DC detection, and short-circuit protection for safe, long-lasting operation.
• Remote Control Included – Conveniently manage settings from across the room.

Specifications

What's in the Box

• 1× Amplifier Board (D800)
• 1× Remote Control
• 1× DC Cable
• 1× Connection Cable

Important Notes

• Maximum output power requires a sufficient audio input signal and adequate power supply voltage and current.
• Higher power supply voltage and lower speaker impedance yield greater output power.
• Always ensure your power supply capacity exceeds the amplifier's actual operating power requirements.

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Frequently Asked Questions

Q: What power supply do I need for the D800 Bluetooth amplifier board?

A: The D800 amplifier board requires a DC 12–19V power supply with a minimum of 5A output. A higher voltage within this range will yield greater audio output power. Always ensure your power supply capacity exceeds the amplifier's actual operating power draw for safe and optimal performance.

Q: What types of speakers are compatible with this 2.1 channel amplifier?

A: The D800 is compatible with speakers rated between 20W and 100W with an impedance of 4–8Ω. It supports a dedicated subwoofer output (up to 100W) plus two stereo channels (up to 50W each), making it ideal for 2.1-channel home audio setups.

Q: How many ways can I connect audio sources to this amplifier board?

A: The D800 supports six input methods: Bluetooth 5.0 (wireless, up to 10m range), AUX (3.5mm), Microphone (MIC), FM Radio, USB drive, and TF/microSD card — giving you flexible options for virtually any audio source.

Q: Does this amplifier board have built-in protection features?

A: Yes. The D800 includes comprehensive protection mechanisms including overvoltage, undervoltage, overheating, AC/DC detection, and short-circuit protection, ensuring safe operation and long-term reliability.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.