1. Power Supply: DC 6.5-15V (depending on the required output power). Power adapters, switching power supplies, and batteries are all suitable. A current of 3A or higher is recommended. 2. Bass Output Power: Maximum 25W. A 4-6 inch, 4-6 ohm, 20-50W subwoofer is recommended. 3. Left and Right Channel Output Power: 6W + 6W. 2-4 inch, 4-8 ohm, 3-25W full-range speakers are recommended. The above power requirements assume a power supply of approximately 13.5V. 4. The left and right channels use the high-fidelity audio-specific chip TDA1517P as the output stage, providing truly high-quality sound. 5. PCB Material: FR-4 fiberglass board, thickness: 1.6mm. 6. Board Dimensions: 63 x 45 x 20mm, excluding the potentiometer handle length. 7. Potentiometer Shaft Distance: 24mm. The potentiometer mounting hole diameter should be 7mm. 8. Input Interface: 3.5mm jack socket.
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