Pure Post Stage Amplifier Board 2x100W Or 200W Subwoofer Power Amplifier Module Support for TPA3221 Chip

Feature: 1. Applicable Speaker: In BTL dual channel mode, it is suitable for 3 8 Ohm , 20 100W speaker; in PBTL single channel mode, it is suitable for 2 8 Ohm , 50 200W speakers, to ensure dependable running 2. Product Features: It boasts high current, low magnet loss, small parasitic capacitance, and less heat generation. It uses OFC wire to enhance sound quality, and has strong anti electromagnetic interference performance 3. Heat Sink: The rear stage amplifier board incorporates a thickened heat sink for quiet and long lasting heat dissipation. It delivers clear sound with fast low frequency response, strong mid frequency texture, high smoothness in high frequencies, and minimal tangent loss 4. Multiple Guards: This rear stage amplifier board offers multiple protective mechanisms, including reverse polarity guard, under voltage guard, overheating guard, over current guard, and short circuit guard to ensure security during use 5. Compact and Practical: This power amplifier board features a compact size and reasonable structure, equipped with a 3P double ended shielded cable to ensure stable connections, making it suitable for various audible system Specification: Item Type: Pure Post Amplifier Board Product Material: PCB Power Amplifier Chip: Support for TPA3221 Applicable Speaker: BTL Double Channel Mode: 3 8 Ohm , 20 100W; PBTL Single Channel Mode: 2 8 Ohm , 50 200W Heat Dissipation: Multi Fin Heat Sink Gain Selection: Toggle Switch 2, 28dB 38dB 2 Gears Bridge Configuration: Power off first. Set toggle switch 1 to ON position, R+L+ short circuit parallel output, R L short circuit parallel outputMaximum Power: BTL Mode: 2x70W at 24V 4 Ohm , 2x100W at 30V 4 Ohm ; PBTL Mode: 150W at 30V 3 Ohm , 200W at 30V 2 Ohm , 110W at 30V 4 Ohm Guards: Under Voltage, Overheat, Over Current, Short Circuit, Reverse Polarity Guard Product Size: Approx. 100 x 65 x 18mm 3.9 x 2.6 x 0.7in. Package List: 1 x Amplifier Board1 x 3Pin Dual End Shielded Cable1 x User Manual Note: The higher the voltage, the higher the output power. Do not connect to an alternating current power supply, or it will be burned out.