Based on our overall comparison score, JBL Live 670NC rates higher at 84/100 versus 24/100 for Sennheiser HD 660S2 — a 60-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 Sennheiser HD 660S2
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 Sennheiser HD 660S2's 16, leading on Noise Cancelling and Wireless. Choose the Sennheiser HD 660S2 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 Sennheiser HD 660S2 overall by 74 points (90 vs 16 out of 100).
- JBL Live 670NC stands out on Comfort & Build Weight: 219 g (16% less).
JBL Live 670NC leads overall
JBL Live 670NC
90
Sennheiser HD 660S2
16
Why it stands out
- Comfort & Build Weight: 219 g (16% less)
Watch-outs
Compromises to know before you buy
JBL Live 670NC
No notable compromises found.
Sennheiser HD 660S2
- 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
Sennheiser HD 660S2
The Sennheiser HD 660S2 is a reference headphone model known for its clear, detailed, and warm sound signature. The design includes rich black velour earpads, and the headphones are noted for being lightweight. It provides impressive vocal clarity in the midrange.
Best for vocal trackingBest for classical musicBest for rock
Pros
- Features a fuller and warmer bass response than the original HD 660S
- The sound is described as clear, crisp, and detailed without sounding overly analytical
- Provides excellent detail and separation, with vocals prominently featured
- Is noted for being comfortable for long listening sessions due to light weight and earpads
Cons
- Can have a rather tight clamping force out of the box
- May not be suitable for genres requiring extremely thunderous bass (e.g., EDM or rap)
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
Sennheiser HD 660S2
Physical Comparison
Weight, side by side
JBL Live 670NCSennheiser HD 660S2
Sennheiser HD 660S2 is 41 g (19%) 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 Sennheiser HD 660S2 comparison
JBL Live 670NC and Sennheiser HD 660S2 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 24/100 for Sennheiser HD 660S2.
At launch, JBL Live 670NC was the more affordable option ($130) versus Sennheiser HD 660S2 ($599). Weigh that against the overall scores (84/100 vs 24/100) 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 Sennheiser HD 660S2 (24/100). But if Sennheiser HD 660S2 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.
Which would you buy?
Cast your voteOther Popular Comparisons
Explore more product comparisons
Sennheiser Accentum Wireless
Sennheiser HD 660S2
VS
JBL Live 670NC
JBL Live 770NC
VS
Sennheiser HD 660S2
Sennheiser Momentum 5 Wireless
VS
JBL Live 670NC
JBL Tour One M3
VS
Sennheiser Accentum Plus
Sennheiser HD 660S2
VS
JBL Live 670NC
JBL Tour One M2
VS
Sennheiser HD 660S2
Sennheiser Momentum 4
VS
Sennheiser HD 660S2
Sennheiser HDB 630
VS
Sennheiser HD 600
Sennheiser HD 660S2
VS
Sennheiser HD 620S
Sennheiser HD 660S2
VS
Marshall Monitor III ANC
Sennheiser HD 660S2
VS
JBL Live 670NC
Marshall Monitor III ANC
VS