The board uses six disassemble amplifier tubes(used), 4 responsible for the left and right channels, the other two connected to BTL circuit for subwoofer use, wiring is very simple, especially for DIY.
Specifications of DX-2.1 Large Power Audio Amplifier Board Channel High Power Subwoofer Dual Home Theater AC18-24V DIY Supplies
Mini size, compact structure, full function and air-cooled heat dissipation.
Low frequency, fine sound quality, suitable for home or theater.
Large power is more stable, the board uses six disassemble amplifier tubes(used), 4 responsible for the left and right channels, the other two connected to BTL circuit for subwoofer use, wiring is very simple, especially for DIY.
Six chips, all-dimensional protect, air-cooling fin and heat transfer fan.
Boot delay and instantaneous shutdown.
Short circuit and overload protect.
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