Sony’s PHA-2 is a portable high-resolution audio DAC (digital-to-analog converter) and headphone amplifier designed to significantly improve audio quality from digital sources like computers, iOS devices, and Sony Walkman players.
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BRZHIFI U30 Bluetooth5.3 Preamplifier HiFi Electronic Tube Amplifier with 2PCS Electronic Tube for GE 5725W. - Model: U30. Using Bluetooth 5.3 can transmit and receive more data at a faster speed. - HIFI-U30 is centered around the JAN GE 5654W electronic tube amplifier from the United States.
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Quad-Band GSM Loop now is powered by new 4 Watt audio amplifier and now offers more powerful output audio signals. GSM Module allows you to use neck loop device independently without mobile phone. Just insert the SIM Card in device. The smallest high quality hidden Spy Earpiece. It's tiny size Dia7xH11mm makes it completely invisible in the ear canal. Works with all of the inductive transmitters. It has new advanced battery holder, no worry about broken battery holder any more. The smallest hidden Spy Earpiece is with an optimum anatomic design.
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eBay
Peso netto del prodotto: 197 g. Tipo di batteria: 18650.
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Nota: verrà spedito solo l'amplificatore dello schermo, nient'altro! Materiale: ABS+acrilico.
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・Color: Black ・Body material: Aluminum alloy ・Output: 45W x 2 (main), 68W (sub) ・Impedance: 4~ 8Ω. A multi-functional Hi-Fi digital power amplifier that also supports wireless connectivity via Bluetooth.
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eBay