DX 2 1 Dual Channel Audio Amplifier Board Subwoofer DIY

Meet the DX 2 1 Dual Channel Audio Amplifier Board Subwoofer DIY — a compact, air-cooled solution designed for DIY audio lovers and home theater enthusiasts. Built with six disassembled amplifier tubes (used), four handle the left and right channels, while the remaining two connect to a BTL circuit for the subwoofer, making wiring straightforward for your projects. This board delivers solid power and pristine sound, ideal for both intimate listening rooms and cinematic setups.

Key benefits

• Compact structure with full function and air-cooled heat dissipation for reliable operation in confined spaces.
• Low frequency performance and rich sound quality, perfect for home theaters or audio DIY projects.
• Large, stable power with six used amplifier tubes and dedicated subwoofer wiring for easy DIY integration.
• Protective features including four protection chips, boot delay, instantaneous shutdown, short circuit and overload protection, and prime Nichicon capacitors for refined audio.

Product specifications

• Type: A, B (optional)
• Model: DX-2.1-3
• Working Voltage: AC 18V–24V
• Output Power: 2 × 80W
• Mega Bass Output: 120W
• Right and Left Channel Output: 100W + 100W
• Frequency Response: 20Hz–30kHz
• Distortion Factor: 1%
• Item Size: 160 × 150 × 60 mm (6.3 × 5.9 × 2.4 in)
• Package Size: 160 × 155 × 65 mm (6.3 × 6.1 × 2.6 in)
• Item Weight: 280 g (9.9 oz)
• Package Weight: 330 g (11.6 oz)
• Notes: Please allow 1–3 mm error due to manual measurement. Color may vary slightly due to monitor differences.

Package includes:

• 1 × Power Audio Amplifier Board

Warnings/Reminders

• Operate within the specified working voltage (AC 18V–24V) to ensure safe, reliable performance.
• Handle the six disassembled amplifier tubes with care; use proper ventilation to prevent overheating.
• Ensure adequate ventilation and avoid moisture to protect components and wiring.

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