Noble Audio FoKus Rex5 vs Cambridge Audio Melomania A100
Noble Audio FoKus Rex5 (#1, best overall) vs Cambridge Audio Melomania A100 (#5, best value): in our Earbuds for Studio scoring the Noble Audio FoKus Rex5 totals 9.1/10 and the Cambridge Audio Melomania A100 8.4/10. At $449 versus $99, the Cambridge Audio Melomania A100 costs $350 less.
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TopsFive comparison scores
Side by side
| Noble Audio FoKus Rex5 | Cambridge Audio Melomania A100 | |
|---|---|---|
| Price | $449 | $99 |
| Drivers | 5-driver tribrid (dynamic + planar + 3x BA) | — |
| Frequency Response | 20Hz-40kHz | — |
| Codecs | LDAC (24-bit/96kHz), aptX Adaptive | aptX Lossless, aptX Adaptive, LDAC, AAC, SBC |
| EQ | 10-band parametric stored on-device | 7-band adjustable in-app |
| Driver | — | 10mm custom recycled Neodymium |
| Amplification | — | Class A/B (Cambridge Audio hi-fi derived) |
| Bluetooth | — | 5.4 |
| Battery | — | 6.5h ANC on / 11h ANC off / 39h total |
| Water Resistance | — | IPX5 |
How they differ in real use
Built from our earbuds studio scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Noble Audio FoKus Rex5 and the Cambridge Audio Melomania A100 made our Top 5 Earbuds for Studio, at #1 (best overall) and #5 (best value). Four balanced armature drivers deliver reference-grade resolution—closest to wired IEM accuracy in a TWS. Class A/B amplification with aptX Lossless and LDAC, now discounted to $99—exceptional value for budget-conscious producers needing hi-fi codec support.
We score earbuds for studio on Accuracy (40%), Detail Resolution (25%), Codec Support (15%), Distortion (10%) and Value (10%). On that basis the Noble Audio FoKus Rex5 totals 9.1 out of 10 and the Cambridge Audio Melomania A100 8.4. The widest gap is Accuracy, where the Noble Audio FoKus Rex5 scores 9.5 against 8 for the Cambridge Audio Melomania A100 — flat, revealing frequency response. Detail Resolution also separates them: 10 for the Noble Audio FoKus Rex5 versus 8 for the Cambridge Audio Melomania A100. The Cambridge Audio Melomania A100 claws back ground on Value and Codec Support.
On paper, the specifications that actually differ: Codecs — LDAC (24-bit/96kHz), aptX Adaptive on the Noble Audio FoKus Rex5 versus aptX Lossless, aptX Adaptive, LDAC, AAC, SBC on the Cambridge Audio Melomania A100; EQ — 10-band parametric stored on-device on the Noble Audio FoKus Rex5 versus 7-band adjustable in-app on the Cambridge Audio Melomania A100.
Pricing as of August 19, 2026: $449 for the Noble Audio FoKus Rex5 and $99 for the Cambridge Audio Melomania A100, a $350 difference in the Cambridge Audio Melomania A100's favor. Owners praise the Noble Audio FoKus Rex5 for 5-driver tribrid configuration and microscope-level detail; the most common complaint is no TWS replaces wired monitors. Owners praise the Cambridge Audio Melomania A100 for class A/B amplification (hi-fi derived, unique among TWS) and aptX Lossless + LDAC + aptX Adaptive codecs; the most common complaint is LDAC cuts battery life to ~4 hours per earbud.
Noble Audio FoKus Rex5
- 5-driver tribrid configuration
- Microscope-level detail
- 10-band parametric EQ stored on-device
- Resolution approaching wired IEMs
- No TWS replaces wired monitors
- Expensive
- Short battery (5-7h)
Cambridge Audio Melomania A100
- Class A/B amplification (hi-fi derived, unique among TWS)
- aptX Lossless + LDAC + aptX Adaptive codecs
- Hybrid ANC with 6-microphone system
- 39 hours total battery life
- LDAC cuts battery life to ~4 hours per earbud
- ANC not class-leading vs Sony/Bose
- Less known brand
Which should you buy?
The Noble Audio FoKus Rex5 is the better fit for reference checks and client presentations — it is the higher-scoring pick here, chiefly for Accuracy and Detail Resolution. The Cambridge Audio Melomania A100 is the better fit for value-seeking professionals and those wanting hi-fi codec support on a budget, and the stronger choice if Value and Codec Support matter more to you than the overall score. If the $350 saving matters more than Accuracy, the Cambridge Audio Melomania A100 is the better value. The Noble Audio FoKus Rex5 is a poor fit for real-time recording monitoring; the Cambridge Audio Melomania A100 is a poor fit for maximum resolution seekers.
Choose the Noble Audio FoKus Rex5 if
- Reference checks
- Client presentations
- Mix translation to consumer devices
Skip it if
- Real-time recording monitoring
- Budget studios
Choose the Cambridge Audio Melomania A100 if
- Value-seeking professionals
- Those wanting hi-fi codec support on a budget
- Cambridge Audio fans
Skip it if
- Maximum resolution seekers
- Those needing best-in-class ANC
Common questions
Is the Noble Audio FoKus Rex5 better than the Cambridge Audio Melomania A100?
In our Earbuds for Studio ranking the Noble Audio FoKus Rex5 scores higher overall, 9.1 to 8.4, with the biggest advantage in Accuracy. The Cambridge Audio Melomania A100 is stronger on Value and Codec Support, so it is the better pick if those matter most to you.
How much more does the Noble Audio FoKus Rex5 cost than the Cambridge Audio Melomania A100?
$350 more as of August 19, 2026: $449 for the Noble Audio FoKus Rex5 against $99 for the Cambridge Audio Melomania A100. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Accuracy — 9.5 versus 8 in our scoring.
What is the main difference between the Noble Audio FoKus Rex5 and the Cambridge Audio Melomania A100?
The headline spec difference is Codecs: LDAC (24-bit/96kHz), aptX Adaptive on the Noble Audio FoKus Rex5 versus aptX Lossless, aptX Adaptive, LDAC, AAC, SBC on the Cambridge Audio Melomania A100. In use, the gap that matters most is Accuracy (9.5 vs 8 in our scoring): flat, revealing frequency response.