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DC 12V-15V 25W~30W Subwoofer Amplifier Board Mini HiFi Class D Mono Channel Digital Audio Power Amplifier Super Bass Amp Module for PC Computer Desktop Speaker, Car Audio Speaker
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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DC 12V-15V 25W~30W Subwoofer Amplifier Board Mini Features
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Notice: This power amplifier board is pure bass output(Subwoofer), no midrange and treble output. (In order to obtain a larger power, it is recommended that the power supply be not lower than 9V.)
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Power supply: DC6.5-15V (depending on the required output power), eg. power adapter, switching power supply, battery, etc., the recommended current is more than 3A. Power input interface: 5.5*2.1DC socket or pad of welding wire; Audio input interface: 3.5mm plug or pad of welding wire.
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Test Data: Output power: VDD = 7.4V RL = 2 Ω 12.5W; Output power: VDD = 9.0V RL= 2 Ω 18W; Output power: VDD = 12V RL = 4 Ω 20W; Output power: VDD = 16V RL= 4 Ω 32W.
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In order to obtain a more shocking effect, it is recommended to use a 4-5 inch, 4-6Ω 20-50W subwoofer speaker. Upper crossover point: 110Hz.
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PCB Material: FR-4 glass fiber board, thickness: 1.6mm. Onboard fixing hole diameter: M3; Board size: 1.57x1.65x0.78inch (LxWxH), excluding potentiometer handle length (Pot. protruding length 0.59inch).The potentiometer mounting hole diameter needs to be 0.28inch/7mm.
