
Keephifi KZ DQS
Score: 79/100
FiiO FF1
Score: 65/100Rankings

The Keephifi KZ DQS is an entry-level single-dynamic-driver IEM that delivers a balanced, high-resolution soundstage with a semi-open design. Its lightweight metal construction and detachable cable make it attractive for audiophiles on a budget, though the lack of water resistance and a thin stock cable are drawbacks. Ideal for listeners who value detail and comfort over extreme bass or rugged use.

The FiiO FF1 is an entry-level wired earbud with a large 14.2 mm driver, high sensitivity, and a generous accessory bundle. While comfortable and easy to drive, its bass is modest and the semi-proprietary connector may limit upgrades.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 14.2 mmbest | |
20 Hzbest | 20 Hzbest | |
40,000 Hzbest | 20,000 Hz | |
110 dBbest | 106 dB | |
14 Ω | 45 Ωbest | |
| ↓ lower better | 18 g | 3.2 gbest |
12 monthsbest | 12 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(4) | ||
Frequency Response (High) (Hz) | 40000 Hz | 20000 Hz |
Sensitivity (dB) | 110 dB | 106 dB |
Impedance (Ω) | 14 Ω | 45 Ω |
Microphone | false | true |
Build & Design(2) | ||
Weight (g) | 18 g | 3.2 g |
Ear Tip Sizes | Three pairs silicone (S, M, L) | donut foam, full foam, silicone rings (L/M) |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the KZ DQS for its engineering advances such as the ultra-thin magnetic gap and four-layer CCA voice coil, which together deliver a neutral, slightly warm signature and an unusually spacious soundstage for a sub-$50 IEM.
Everyday users consistently highlight the exceptional sound quality and comfort relative to the low price, calling it a great value, while recurring complaints focus on the thin stock cable, mediocre microphone, and occasional durability issues.

Professional reviewers praise the FF1's large driver, low distortion, and natural timbre, but criticize its slow, untextured bass and early treble roll-off.
Everyday users appreciate the comfort, lightweight feel, and accessory variety, yet many complain about weak bass with silicone tips, fragile 2-pin connectors, and sound leakage from the open design.
“Generous accessory bundle including USB-C adapter, multiple tip types, and wing hooks”

“Lightweight and comfortable for extended listening sessions”

“stock silicone tips provide weak bass and poor seal”


