The subwoofer section of two new TDA7294 BTL output, low-pass filter frequency is adjustable in accordance with the home theater-style design (50-150HZ), strong power! Left and right channels are served by two TDA7294, imported from Germany WIMA 2.2uF coupling capacitor input coupling capacitor, the sound more sweet! Board signal to noise ratio is extremely high, the ears close to the speaker can't hear the hum! The best choice to upgrade the 2.1 amplifier You have to add a at least 0.5kg heatsink to this board to make it work fine. If not, this baord may be get damaged. You can remove the insulation chip and add the heatsink. but it can get the heatsink electricity and get dangerous. Only for professionals! Product Details 1. The new ST imported laser dark word TDA7294; 2. Power supply filter to 6 3300uF/63V Japanese Rubycon ruby imports capacitance, rectifier 25A imports rectifier flat bridge; 3. PCB with 1.6mm thick double-sided sheet, 2.0 oz copper thickness, HASL process, to ensure good performance of the current size; 4. Recommended power supply: 18V-0-18V to 26V-0-26V three-wire AC 250W or above power ring cattle better. 5. Output power: 2 × 80W +160 W subwoofer (Note: The left and right channels is recommended 6 to 8 ohm subwoofer speaker is best not to less than 8 ohms, otherwise the heat!) 6. PCB dimensions: length 218mm × 98mm × high-36mm (including pins) Packing included: 1pc TDA7294 2 × 80W +160W Subwoofer Low Pass Filter Amplifier Board
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