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Fosi Audio K7

Headphone Amplifier

USD$99lowest active

USD$164average

USD$377highest

17active listings

Median used price, last 12 weeks ▼ 14.5% · range USD$140 – USD$182

Current listings

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Fosi Audio K7 Headphone Amp/DAC - PS5/PC and Bluetooth

Fosi Audio DAC

Fosi Audio K7 Headphone Amp/DAC - PS5/PC and Bluetooth

USD$163 ≈ GBP$120

GB 2d ago

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Fosi Audio K7 Headphone Amplifier (with DAC)

Fosi Audio Headphone Amplifier

Fosi Audio K7 Headphone Amplifier (with DAC)

USD$140 ≈ AUD$195

AU 2d ago

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As New Fosi K7 Gaming Dac/Headphone amp. Grab a bargain-RRP $299!!

Fosi Audio DAC

As New Fosi K7 Gaming Dac/Headphone amp. Grab a bargain-RRP $299!!

USD$151 ≈ AUD$210

AU 23 Aug 2026

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Fosi Audio K7 DAC Headphone Amplifier for Desktop, USB C Digital to Analog Audio

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier for Desktop, USB C Digital to Analog Audio

USD$164 ≈ GBP$120

GB 20 Aug 2026

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Fosi Audio K7 DAC Headphone Amp Desktop USB C Digital to Analog

Fosi Audio Digital

Fosi Audio K7 DAC Headphone Amp Desktop USB C Digital to Analog

USD$99

US 16 Aug 2026

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Fosi Audio K7 DAC Headphone Amplifier up to PCM 384kHz/32bit - Used, VGC

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier up to PCM 384kHz/32bit - Used, VGC

USD$155 ≈ GBP$115

GB 11 Aug 2026

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Fosi Audio K7 DAC Headphone Amplifier Desktop (Perfect Condition)

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier Desktop (Perfect Condition)

USD$183 ≈ GBP$136

GB 15 Jul 2026

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Fosi K7 Desktop Gaming DAC

Fosi Audio DAC

Fosi K7 Desktop Gaming DAC

USD$150

US 10 Jul 2026

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Fosi Audio K7 Gaming DAC

Kleinanzeigen Excellent

Fosi Audio DAC

Fosi Audio K7 Gaming DAC

USD$172 ≈ EUR$150

DE 6 Jul 2026

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Fosi Audio K7 Dac/Amp - No Cosmetic Damage

eBay US ↓ 14%

Fosi Audio DAC

Fosi Audio K7 Dac/Amp - No Cosmetic Damage

USD$120

US 29 Jun 2026

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Fosi Audio K7 DAC/Headphone Amplifier Amp for Desktop Gaming

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC/Headphone Amplifier Amp for Desktop Gaming

USD$161 ≈ GBP$120

GB 17 Jun 2026

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Fosi Audio K7 Desktop DAC and Headphone Amplifier

Fosi Audio Headphone Amplifier

Fosi Audio K7 Desktop DAC and Headphone Amplifier

USD$125

US 14 Jun 2026

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BID DROP!! Fosi K7 Gaming Dac/amp AS NEW!! $300 RRP.

Fosi Audio DAC

BID DROP!! Fosi K7 Gaming Dac/amp AS NEW!! $300 RRP.

USD$165 ≈ AUD$234

AU 12 Jun 2026

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Fosi Audio K7 DAC Headphone Amplifier + Kiwi ears septet

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier + Kiwi ears septet

USD$377 ≈ GBP$282

GB 9 Jun 2026

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Fosi Audio K7 DAC Headphone Amplifier Desktop

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier Desktop

USD$182 ≈ GBP$136

GB 9 Jun 2026

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Fosi K7 Gaming Dac/amp AS NEW!! $300 RRP.

Fosi Audio DAC

Fosi K7 Gaming Dac/amp AS NEW!! $300 RRP.

USD$171 ≈ AUD$245

AU 5 Jun 2026

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Fosi Audio K7 DAC Headphone Amplifier

Fosi Audio Headphone Amplifier

Fosi Audio K7 DAC Headphone Amplifier

USD$115

US 27 May 2026

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