Based on our overall comparison score, JBL Live 670NC rates higher at 84/100 versus 26/100 for Audio-Technica ATH-M40x — a 58-point lead. JBL Live 670NC is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
JBL Live 670NC vs Audio-Technica ATH-M40x
Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the JBL Live 670NC is the better pick — it scores 90/100 to the Audio-Technica ATH-M40x's 17, leading on Noise Cancelling and Wireless. Choose the Audio-Technica ATH-M40x instead if you want to spend less.
- Sound quality isn't scored yet (we have no measured audio data), so the score covers features, battery, noise cancelling and build.
Verdict
Our overall take, at a glance
Key takeaways
- JBL Live 670NC leads Audio-Technica ATH-M40x overall by 73 points (90 vs 17 out of 100).
- JBL Live 670NC stands out on Comfort & Build Weight: 219 g (9% less).
JBL Live 670NC leads overall
JBL Live 670NC
90
Audio-Technica ATH-M40x
17
Why it stands out
- Comfort & Build Weight: 219 g (9% less)
Watch-outs
Compromises to know before you buy
JBL Live 670NC
No notable compromises found.
Audio-Technica ATH-M40x
- No microphone — you can't take calls.
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.
JBL Live 670NC
The JBL Live 670NC are lightweight, folding wireless headphones designed for everyday commuting and multi-device use. Released in late 2023, they feature 40mm drivers, Bluetooth 5.3 with multipoint connectivity, and active noise cancellation with an integrated transparency mode.
Best for Commuters seeking multi-day battery life with active noise cancellationBest for Users who need to switch audio frequently between a laptop and a phone
Pros
- Extremely long battery life of up to 50 hours with active noise cancellation enabled
- Multipoint pairing allows seamless switching between two Bluetooth sources
- Highly portable folding design weighing only 219 grams
- Includes a detachable audio cable for passive wired listening
Cons
- No official IP dust or water resistance rating is specified in the physical characteristics
Audio-Technica ATH-M40x
The Audio-Technica ATH-M40x is an over-ear, dynamic closed-back headphone designed primarily for studio monitoring and audio production. Introduced as part of a remastered M-Series lineup in 2014, it features 40mm drivers with neodymium magnets and copper-clad aluminum voice coils. Operating with a 35-ohm impedance and a frequency response of 15 to 24,000 Hz, it is tuned to provide a flatter, more accurate sound profile with minimal coloration.
Best for audio mixing and studio monitoring requiring accurate, uncolored frequency…Best for content creation and tracking where a lightweight, closed-back design is…
Pros
- Equipped with two different detachable cables (a 1.2-meter straight and a 3-meter coiled cable) for physical flexibility
- Tuned for a relatively flat frequency response, helping to deliver accurate and uncolored audio reproduction
- Weighs 240 grams, presenting a relatively lightweight option for long listening sessions
- Includes a screw-on 6.5mm adapter to ensure compatibility with professional audio equipment
Cons
- Includes only a basic soft pouch for storage, offering limited physical protection compared to a hardshell case
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
JBL Live 670NC
Audio-Technica ATH-M40x
Physical Comparison
Weight, side by side
JBL Live 670NCAudio-Technica ATH-M40x
Audio-Technica ATH-M40x is 21 g (10%) heavier than JBL Live 670NC.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about JBL Live 670NC vs Audio-Technica ATH-M40x comparison
JBL Live 670NC and Audio-Technica ATH-M40x are compared side by side above across every spec in the headphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 84/100 for JBL Live 670NC and 26/100 for Audio-Technica ATH-M40x.
At launch, Audio-Technica ATH-M40x was the more affordable option ($99) versus JBL Live 670NC ($130). Weigh that against the overall scores (84/100 vs 26/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated headphones option overall, JBL Live 670NC (84/100) edges out Audio-Technica ATH-M40x (26/100). But if Audio-Technica ATH-M40x is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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