Ultra-quiet design, no sound and no interference. Exquisite and compact, easy to carry. It can be washed with water. HiFi Headphone Amplifier 3.5mm with Bluetooth 5.0 Receiver - Portable 16-600Ω. DC 12-24V 5W-120W TDA2050 One Channel Audio Power Amplifier Board Module 4-16ohm.
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