Wired IEMs
FiiO FD7
84Great
$445
Full review dataFiiO FD7 vs Sennheiser IE 80S BT: which should you buy?
On aggregated review scores the FiiO FD7 comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: FiiO FD7 - Great overall at around $445.
Wired IEMs
Sennheiser IE 80S BT
72Good
$440
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
FiiO FD7
Sound8.5
Value7.0
Sennheiser IE 80S BT
Sound8.0
Battery5.0
Calls6.0
Value6.0
Specifications
| Spec | FiiO FD7 | Sennheiser IE 80S BT |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $445 | $440 |
| HearWiki score | 84 / 100 · Great | 72 / 100 · Good |
| Released | 2023 | 2018 |
| Audio | ||
| Driver | 12mm pure beryllium diaphragm dynamic driver | dynamic |
| Driver size | 12 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 10Hz-40kHz | 10 Hz to 20,000 Hz |
| Impedance | 50 Ω | - |
| Sensitivity | 111 dB/mW | - |
| Wireless | ||
| Bluetooth | - | 5.x |
| Bluetooth version | - | 5.0 |
| Codecs | - | SBC, aptX, aptX LL, aptX HD, AAC, LHDC |
| Multipoint pairing | - | No |
| Battery | ||
| Battery life | - | 6 h |
| Battery incl. case | - | 340 h |
| Full charge time | - | 90 min |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | No |
| ANC type | - | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Controls | buttons | buttons |
| Design | ||
| Weight | 11 g | 30 g |
| Water resistance | - | none |
| Detachable cable | Yes | - |
| USB-C | - | Yes |
| Calls | ||
| Microphones | - | 2 |
What reviewers said
FiiO FD7
The FiiO FD7 is a wired, flagship-grade in-ear monitor built around a single 12mm pure beryllium dynamic driver, housed in a semi-open design. It offers a spacious, refined sound with clean tonality, strong dynamics, and impressive detail retrieval, supported by a modular cable and tuning accessories. While easy to drive from most sources, its premium price and semi-open nature mean it targets enthusiasts seeking a high-end, natural presentation rather than casual listeners.
- Pro:Excellent clarity and natural tonal balance
- Pro:Wide, well-defined soundstage with strong imaging
- Pro:Highly resolving with good dynamics and detail
- Con:Lacks noise isolation due to semi-open design
- Con:Premium price may not suit budget-focused buyers
- Con:Requires burn-in or source matching for best results
Sennheiser IE 80S BT
The Sennheiser IE 80S BT is a premium neckband-style wireless earphone that prioritizes audio fidelity, carrying over the full-bodied, clear sound of its wired sibling while adding Bluetooth 5.0 and support for high-quality codecs like aptX HD and LHDC. It offers a lightweight, comfortable fit and adjustable bass, but its short 6-hour battery life, lack of active noise cancellation, and high price make it a niche choice for audiophiles on the go.
- Pro:Excellent sound clarity and full-bodied tuning
- Pro:Broad codec support including aptX HD, LHDC, and AAC
- Pro:Lightweight 30g neckband design with comfortable fit
- Con:Short 6-hour battery life without a charging case
- Con:No active noise cancellation or transparency mode
- Con:Premium price for limited feature set
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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