Technics EAH-AZ100 vs Noble Audio FoKus Rex5
Technics EAH-AZ100 (#1, best overall) vs Noble Audio FoKus Rex5 (#5): in our Earbuds for Music scoring the Technics EAH-AZ100 totals 9.3/10 and the Noble Audio FoKus Rex5 8.8/10, the Technics EAH-AZ100 leading on Value and Comfort and the Noble Audio FoKus Rex5 on Sound Quality and Soundstage.
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TopsFive comparison scores
Side by side
| Technics EAH-AZ100 | Noble Audio FoKus Rex5 | |
|---|---|---|
| Price | $205 | $449 |
| Driver | 10mm magnetic fluid, aluminum diaphragm | — |
| Frequency Response | 3Hz-40kHz | 20Hz-40kHz |
| Codecs | LDAC, AAC, SBC, LC3 | LDAC, aptX Adaptive, aptX HD, AAC |
| Battery | 10h / 28h total | 5-7h / 40h+ total |
| Water Resistance | IPX4 | — |
| Drivers | — | 5-driver tribrid |
How they differ in real use
Built from our earbuds music scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Technics EAH-AZ100 and the Noble Audio FoKus Rex5 made our Top 5 Earbuds for Music, at #1 (best overall) and #5. The most technically accomplished TWS for music—dual-driver design with magnetic fluid woofer delivers audiophile-grade sound with exceptional bass and clarity. Street price has also dropped to around $205, well under its $299.99 list. Four-driver IEM technology delivers ultimate resolution—the most detailed TWS available for critical listeners.
We score earbuds for music on Sound Quality (40%), Codec Support (20%), Soundstage (15%), Comfort (15%) and Value (10%). On that basis the Technics EAH-AZ100 totals 9.3 out of 10 and the Noble Audio FoKus Rex5 8.8. The widest gap is Value, where the Technics EAH-AZ100 scores 9 against 5.9 for the Noble Audio FoKus Rex5 — performance per dollar. Comfort also separates them: 9 for the Technics EAH-AZ100 versus 7.4 for the Noble Audio FoKus Rex5. The Noble Audio FoKus Rex5 claws back ground on Sound Quality and Soundstage.
On paper, the specifications that actually differ: Frequency Response — 3Hz-40kHz on the Technics EAH-AZ100 versus 20Hz-40kHz on the Noble Audio FoKus Rex5; Codecs — LDAC, AAC, SBC, LC3 on the Technics EAH-AZ100 versus LDAC, aptX Adaptive, aptX HD, AAC on the Noble Audio FoKus Rex5; Battery — 10h / 28h total on the Technics EAH-AZ100 versus 5-7h / 40h+ total on the Noble Audio FoKus Rex5.
Pricing as of August 5, 2026: $205 for the Technics EAH-AZ100 and $449 for the Noble Audio FoKus Rex5, a $244 difference in the Technics EAH-AZ100's favor. Owners praise the Technics EAH-AZ100 for 10mm magnetic fluid drivers and 3-way multipoint (industry first); the most common complaint is comfort limited to ~3 hours for some. Owners praise the Noble Audio FoKus Rex5 for 5-driver tribrid (1x dynamic, 1x planar, 3x BA) and microscope-level micro-detail; the most common complaint is most expensive at $449.
Technics EAH-AZ100
- 10mm magnetic fluid drivers
- 3-way multipoint (industry first)
- Reference-grade transparency
- LDAC and LC3 (LE Audio) support
- Comfort limited to ~3 hours for some
- ANC trails Apple's implementation
- Premium price
Noble Audio FoKus Rex5
- 5-driver tribrid (1x dynamic, 1x planar, 3x BA)
- Microscope-level micro-detail
- 'Wizard' tuning by John Moulton
- Resolution approaching wired IEMs
- Most expensive at $449
- Shorter battery (5-7h)
- Niche appeal
Which should you buy?
The Technics EAH-AZ100 is the better fit for audiophiles and multi-device users — it is the higher-scoring pick here, chiefly for Value and Comfort. The Noble Audio FoKus Rex5 is the better fit for critical listeners prioritizing sound above all and IEM enthusiasts going wireless, and the stronger choice if Sound Quality and Soundstage matter more to you than the overall score. Since the Technics EAH-AZ100 is both the higher scorer and $244 cheaper, the Noble Audio FoKus Rex5 only makes sense for critical listeners prioritizing sound above all. The Technics EAH-AZ100 is a poor fit for those with small ears; the Noble Audio FoKus Rex5 is a poor fit for casual listeners.
Choose the Technics EAH-AZ100 if
- Audiophiles
- Multi-device users
- Critical listeners
Skip it if
- Those with small ears
- ANC-priority users
Choose the Noble Audio FoKus Rex5 if
- Critical listeners prioritizing sound above all
- IEM enthusiasts going wireless
- Those wanting ultimate resolution
Skip it if
- Casual listeners
- Budget shoppers
Common questions
Is the Technics EAH-AZ100 better than the Noble Audio FoKus Rex5?
In our Earbuds for Music ranking the Technics EAH-AZ100 scores higher overall, 9.3 to 8.8, with the biggest advantage in Value. The Noble Audio FoKus Rex5 is stronger on Sound Quality and Soundstage, so it is the better pick if those matter most to you.
How much more does the Noble Audio FoKus Rex5 cost than the Technics EAH-AZ100?
$244 more as of August 5, 2026: $449 for the Noble Audio FoKus Rex5 against $205 for the Technics EAH-AZ100. Prices move, so the merchant page shows the current figure.
What is the main difference between the Technics EAH-AZ100 and the Noble Audio FoKus Rex5?
The headline spec difference is Frequency Response: 3Hz-40kHz on the Technics EAH-AZ100 versus 20Hz-40kHz on the Noble Audio FoKus Rex5. In use, the gap that matters most is Value (9 vs 5.9 in our scoring): performance per dollar.