Fosi Audio K5 Pro

eBay US

Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC and Headphone Amplifier HiFi USB Sound Card

USD$75

US 1d ago

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC & Headphone Amp - 24-Bit/96kHz - Mic Input

USD$50

US 2d ago

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Fosi Audio Headphone Amplifier

USED Fosi Audio - K5 Pro Mini Stereo Gaming Dac - Pro Amplifier WITHOUT WIRES

USD$50

US 21 Aug 2026

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eBay UK

Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro DAC Headphone Amplifier Mini

USD$54 ≈ GBP$40

GB 9 Aug 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Converter

USD$40

US 8 Aug 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Amplifier

USD$40

US 7 Aug 2026

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eBay UK

Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro DAC Headphone Amplifier, USB Type-C/Coaxial/Optical to 3.5MM

USD$71 ≈ GBP$53

GB 4 Aug 2026

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eBay US ↓ 14%

Fosi Audio Headphone Amplifier

Fosi Audio K5 PRO MINI Stereo DAC Gaming Headphone Amp (DAC only)

USD$30

US 3 Aug 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Amplifier

USD$50

US 31 Jul 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amp Used Excellent w/Box & Accessories

USD$45

US 22 Jul 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Mini Stereo DAC Headphone Amp USB Optical RCA Grey

USD$67 ≈ GBP$50

GB 17 Jul 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Mini Gaming Dac

USD$50 ≈ GBP$37

GB 14 Jul 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Amplifier

USD$45

US 13 Jul 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro PC Gaming DAC Headphone Amp USB/Toslink RCA 3.5mm Silver

USD$45

US 27 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Mini Gaming DAC Headphone Amp USB/Opt/Coax RCA Black

USD$56

US 26 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro DAC Headphone Amplifier Mini Digital-to-Analog Converter

USD$49 ≈ GBP$38

GB 25 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Headphone DAC AMP - Used, no box or manual

USD$49 ≈ GBP$37

GB 18 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Headphone DAC AMP - Barely Used

USD$70 ≈ GBP$53

GB 15 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio k5 Pro Mini Syereo Gaming DAC

USD$43 ≈ GBP$32

GB 15 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Mini Stereo Gaming DAC Headphone Amplifier

USD$50 ≈ GBP$37

GB 10 Jun 2026

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eBay US ↓ 30%

Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Digital-to-Analog Converter K

USD$42

US 7 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Digital-to-Analog Converter AUX

USD$45

US 7 Jun 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Digital-to-Analog Converter AUX

USD$40

US 21 May 2026

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Fosi Audio Headphone Amplifier

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Digital-to-Analog Converter AUX

USD$55

US 17 May 2026

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