True Wireless
Cambridge Audio Melomania M100
82Great
$93
Full review dataCambridge Audio Melomania M100 vs FIIL Key: which should you buy?
On aggregated review scores the Cambridge Audio Melomania M100 comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Cambridge Audio Melomania M100 - Great overall at around $93.
True Wireless
FIIL Key
68Good
$49
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Cambridge Audio Melomania M100
Sound8.5
Noise cancelling7.5
Battery9.0
Calls7.0
Value8.0
FIIL Key
Sound6.5
Battery7.0
Calls6.0
Value7.5
Specifications
| Spec | Cambridge Audio Melomania M100 | FIIL Key |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $93 | $49 |
| HearWiki score | 82 / 100 · Great | 68 / 100 · Good |
| Released | 2024 | 2022 |
| Audio | ||
| Driver | 10mm | 13.1mm Titanium Dynamic Driver |
| Driver size | 10 mm | 13 mm |
| Drivers per side | 2 | 2 |
| Frequency response | - | 15Hz-22kHz |
| Impedance | - | 32 Ω |
| Sensitivity | - | 124 dB/mW |
| Wireless | ||
| Bluetooth | 5.3 | 5.3 |
| Bluetooth version | 5.3 | 5.3 |
| Codecs | SBC, AAC, aptX Adaptive, aptX Lossless | AAC, SBC |
| Multipoint pairing | Yes | Yes |
| Wireless range | - | 10 m |
| Battery | ||
| Battery life | 16 h | 5 h |
| Battery life (ANC on) | 10 h | - |
| Battery incl. case | 52 h | 24 h |
| Full charge time | 150 min | 50 min |
| Quick charge | 10 min = 1.5 h ANC on; 10 min = 2.4 h ANC off | 2C fast charging |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | adaptive | none |
| Transparency mode | Yes | No |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | Yes | No |
| Controls | touch | touch |
| Voice assistant | Siri / Google Assistant | - |
| Design | ||
| Weight | 6.65 g | 3.7 g |
| Case weight | 53.3 g | 34.8 g |
| Water resistance | IPX4 | IPX4 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 6 | 2 |
What reviewers said
Cambridge Audio Melomania M100
The Cambridge Audio Melomania M100 are feature-packed true wireless earbuds that deliver a warm, easy-going sound and a long list of modern conveniences. With adaptive ANC, aptX Lossless support, and a combined 52-hour battery life, they offer strong overall value for listeners who prioritize versatility and endurance. While their performance is solid for the price, some compromises in noise cancellation and transparency modes keep them from being flawless.
- Pro:Very long total battery life with quick-charge support
- Pro:Broad codec support including aptX Lossless
- Pro:Effective adaptive noise cancellation for the price
- Con:ANC performance is decent but not class-leading
- Con:Transparency mode is relatively weak
- Con:No specified frequency range from the manufacturer
FIIL Key
The FIIL Key is an affordable semi-in-ear true wireless option that packs a punchy 13.1mm titanium driver, Bluetooth 5.3, and dual-mic support into a compact design. It offers solid battery life, IPX4 splash resistance, and app-based customization for a budget-friendly price, making it a well-rounded everyday choice.
- Pro:Compact and lightweight design
- Pro:Punchy 13.1mm titanium driver
- Pro:Solid battery life with case
- Con:No active noise cancellation
- Con:No multipoint connection
- Con:No wireless charging
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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