Fosi Audio · Updated July 2026
Fosi Audio K7: price & specs
The Fosi Audio K7 costs $239.99, #6 cheapest of 10 dac amps (median $239). It earns a Bronze Deskmark — 42/100 pay-blind standing, #7 of 9 in class.
Verified Jul 11, 2026 · figures linked to their source in the table below
- Best for Drives headphones with more confidence than expected at the price, easily powering open-back cans; Clean, punchy sound from the AK4493S DAC and TPA6120 amp combination.
Fosi Audio K7. Every price and spec below is linked to its source and dated — no guesses.
Source: fosiaudio.com verified ✓ corroborated verify in ledger
Is the Fosi Audio K7 a good buy?
At $240, the Fosi Audio K7 is #6 cheapest of the 10 dac amps we track, where the median is $239. On the spec sheet, its max power mw of 2100 is above the median of the 8, its snr of 121 dB is below the median of the 7, and its thdn percent of 0.0002 is below the median of the 8.
Evidence of Record
Our dataNo independent lab has measured this product yet. 1 outlet has it on record by mention only, with no hands-on measurements published to weigh its claims against — a gap in the evidence, not a verdict on the product.
Review consensus · sourced & dated
What reviewers say about the Fosi Audio K7
Only one whitelisted tester, TechRadar, covered the Fosi Audio K7, and only via a hands-on Black Friday deal write-up rather than a measured lab review. Its senior writer, a month-long owner, calls it a clean, punchy, confidence-driving desk DAC he'd happily pay above RRP for. Specialist audio sites with real measurements fall outside the whitelist.
Tested by TechRadar
Consistently praised
- Drives headphones with more confidence than expected at the price, easily powering open-back cans
- Clean, punchy sound from the AK4493S DAC and TPA6120 amp combination
- Versatile connectivity (USB-C, optical, coaxial, Bluetooth aptX HD) plus 4.4mm balanced output, mic input and physical bass/treble knobs
Where reviewers disagree Single-source only, so no cross-source comparison is possible. The lone whitelisted write-up is a uniformly positive, promotional deal piece with no measurements or stated drawbacks, so no dissenting or lab-verified view is represented.
The sources (1)
Not only does the K7 make my gaming sound incredible, easily powering my open-back headphones, but it has also made music so much more enjoyable to listen to.
The AK4493S DAC and TPA6120 amp combo keeps music clean and punchy, while the 4.4mm balanced output gives you room to grow if you ever pick up more demanding cans.
it drives headphones with way more confidence than you'd expect at this price.
Specifications
| Price (US) | $239.99 Fosi Audio official store (fosiaudio.com/products/k7-dac-headphone-amp) lists the "Fosi Audio K7 Desktop DAC Headphone Amplifier" at "$239.99". Used as the manufacturer US MSRP in USD. (Amazon listing showed a EUR price for German delivery, not used.) |
|---|---|
| Brand | Fosi Audio |
| Released | — |
| Form factor | desktop |
| Dac chip | AK4493S |
| Max pcm (kHz) | 384 |
| Max dsd | DSD256 |
| Max power mw | 2100 |
| Snr (dB) | 121 |
| Thdn percent | 0.0002 |
| Balanced output | Yes |
| Headphone jacks | 3.5mm/4.4mm |
| Digital inputs | USB-C/coaxial/optical/Bluetooth |
| Weight grams | — |
Source: fosiaudio.com (verified 2026-07-11) · corroborated by amazon.com. The Fosi Audio official product page (fosiaudio.com) confirms this is the exact "Fosi Audio K7 Desktop DAC Headphone Amplifier" priced at $239.99, stating the AK4493S DAC, XMOS XU208 processor, TPA6120 amps, PCM 384kHz/32bit and DSD256 decoding, up to 2100mW output, USB-C/coaxial/optical/Bluetooth inputs, and 4.4mm balanced/3.5mm/RCA outputs, with SNR ≥121dB and THD+N ≤0.0002%. The Amazon listing sold by Fosi Audio (ASIN B0DZCTM9N6, Part Number K7-Black, Model K7-D1US) corroborates the same chipset and connectivity and its spec comparison table gives "4.4mm:2100mW x2/3.5mm:600mW x2", SNR "≥121dB", and THD "<0.0002%". Both pages identify the specific K7 model (distinct from the sibling K5 Pro shown alongside), confirming model identity; no unit weight in grams and no explicit release date were stated on either page, so both were left null.
Is the Fosi Audio K7 worth it vs cheaper dac amps?
Fosi Audio K7 against its closest cheaper and pricier dac amps on the specs that matter — every value sourced. See all 10 ranked →
| Product | Price | Form factor | Dac chip | Max pcm (kHz) | Max dsd | Max power mw |
|---|---|---|---|---|---|---|
| Fosi Audio K7 this | $239.99 | desktop | AK4493S | 384 | DSD256 | 2100 |
| SMSL DO100 | $239 | desktop | ES9038Q2M | 768 | DSD512 | — |
| Topping DX5 II | $299 | desktop | ES9039Q2M | 768 | DSD512 | 6400 |
Frequently asked questions
What do reviewers say about the Fosi Audio K7?
Only one whitelisted tester, TechRadar, covered the Fosi Audio K7, and only via a hands-on Black Friday deal write-up rather than a measured lab review. Its senior writer, a month-long owner, calls it a clean, punchy, confidence-driving desk DAC he'd happily pay above RRP for. Specialist audio sites with real measurements fall outside the whitelist. Praised: Drives headphones with more confidence than expected at the price, easily powering open-back cans; Clean, punchy sound from the AK4493S DAC and TPA6120 amp combination; Versatile connectivity (USB-C, optical, coaxial, Bluetooth aptX HD) plus 4.4mm balanced output, mic input and physical bass/treble knobs. (From 1 tester review.)
How much does the Fosi Audio K7 cost?
The Fosi Audio K7 has a US price of $239.99 (Fosi Audio official store (fosiaudio.com/products/k7-dac-headphone-amp) lists the "Fosi Audio K7 Desktop DAC Headphone Amplifier" at "$239.99". Used as the manufacturer US MSRP in USD. (Amazon listing showed a EUR price for German delivery, not used.)), as of 2026-07-11.
How does the Fosi Audio K7 compare on price?
At $240, the Fosi Audio K7 is #6 cheapest of the 10 dac amps we track, where the median is $239.
What are the Fosi Audio K7's key specs?
Fosi Audio K7 (Fosi Audio): formFactor desktop, dacChip AK4493S, maxPcmKhz 384, maxDsd DSD256, maxPowerMw 2100. Full sourced spec sheet verified 2026-07-11.
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