L1387 DAC 4X Quad-Parallel TDA1387 Fever USB Decoder Finished Product Upgrade TDA1541

L1387DAC 4X Four Parallel TDA1387 USB Fever DecoderBasic Parameters:USB supports frequencies of 44.1K, 48K, and 16 bitsBoard size: 65 * 54mmAnalog output level: 2V.Five major circuit characteristics:USB is directly powered through CLC network, ensuring pure power supplyFour TDA1387 decoding chips are connected in parallel.The precise calculation of the working point, as a resistance I/V circuit, and the accuracy of the design of the DC load resistance are the most important prerequisites for sound quality.Perfect wiring, multi-level decoupling of digital and analog, strict differentiation.A large number of fever components, please refer to the physical picture and component list.Key points for installation and debugging:This decoding does not require debugging. After soldering, plug it into the computer USB port and the driver will self identify.The sound quality of this decoder should not be referenced by price, as its dynamics, resolution, and signal-to-noise ratio may overturn your perception of cost-effectiveness. The sound of 1387 is very similar to that of TDA1541 in the same industry. You can refer to the TDA1541 adapter board design in my store (using four parallel 1387 to simulate TDA1541), which has a very sweet mid frequency, smooth and elegant high frequency. It's hard to believe that this is the sound emitted by a USB powered small decoder

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