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XDUOO TA-22 Bluetooth 5.1 High Performance USB DAC Tube+Transistor Hybrid Balance Headphone Amplifier XLR and 4.4mm BAL Output
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Amazon.com: XDUOO TA-03S USB PCM32bit/192KHZ CS4398*2 DSD128 DAC XMOS U8 AUX Input Tube Headphone Amplifier : Electronics
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