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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-30 Bluetooth 5.0 ES9038Q2M DAC&Tube Headphone Amp USB/Coax/Opt Input Amplifier : Electronics
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