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Sennheiser HD 660S2 vs Sony WH-1000XM5: Which Should You Buy?

Compare Sennheiser HD 660S2 and Sony WH-1000XM5 by noise cancellation, comfort, call quality, battery life, sound tuning, app support, and return-window.

Updated 2026-08-23

Sennheiser Sennheiser HD 660S2

Sennheiser HD 660S2

$399

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Sony Sony WH-1000XM5

Sony WH-1000XM5

$299

View product

Buying decision

Sennheiser HD 660S2 is the stronger fit for home audiophile listening and open-back soundstage; Sony WH-1000XM5 makes more sense for travel ANC and tunable sound. Sony WH-1000XM5 carries the lower editorial reference by $100, so choose the drawback you are more willing to accept.

Sennheiser HD 660S2 targets home audiophile listening and open-back soundstage, while Sony WH-1000XM5 is positioned for travel ANC and tunable sound. Their current editorial references are $399 and $299. The practical decision is which documented drawback is less disruptive: Sennheiser HD 660S2 — Premium ANC pricing is easy to overpay for if you mostly stay home; Sony WH-1000XM5 — Case bulk or clamp force will bother some all-day wearers. Confirm source badges, exact configuration, and checkout pricing before buying.

View Sennheiser HD 660S2 View Sony WH-1000XM5

Sennheiser HD 660S2

Pick Sennheiser HD 660S2 if its strengths match your routine

Choose Sennheiser HD 660S2 when home audiophile listening and open-back soundstage matches the work you repeat each week. It is listed at $399, with a product-level reference but no cited specification fields. Against Sony WH-1000XM5, its clearest case is strong everyday fit for home audiophile listening. The issue to test during the return window is whether premium ANC pricing is easy to overpay for if you mostly stay home.

Sony WH-1000XM5

Pick Sony WH-1000XM5 if you value its trade-off more

Choose Sony WH-1000XM5 when travel ANC and tunable sound matches the work you repeat each week. It is listed at $299, with 12 cited specification fields. Against Sennheiser HD 660S2, its clearest case is strong everyday fit for travel ANC. The issue to test during the return window is whether case bulk or clamp force will bother some all-day wearers.

Key differences

  • Sennheiser HD 660S2 is positioned around open-back audiophile and home listening, while Sony WH-1000XM5 leans toward discounted ANC and travel.
  • The price context matters: Sennheiser HD 660S2 is tracked near $399, while Sony WH-1000XM5 is tracked near $299.
  • Sennheiser HD 660S2's main watch-out is Street pricing can change quickly, whereas Sony WH-1000XM5's main watch-out is Street pricing can change quickly.
  • Both products belong in the same headphones shortlist, but they solve different buying problems rather than being interchangeable spec-table neighbors.

Winner by use case

travel noise cancellation

Sennheiser HD 660S2

Sennheiser HD 660S2 gets the nod for travel noise cancellation because its fit for home audiophile listening and open-back soundstage is more relevant here than Sony WH-1000XM5's different focus. Treat the win as conditional on this limitation: Premium ANC pricing is easy to overpay for if you mostly stay home.

work calls

Sony WH-1000XM5

Sony WH-1000XM5 gets the nod for work calls because its fit for travel ANC and tunable sound is more relevant here than Sennheiser HD 660S2's different focus. Treat the win as conditional on this limitation: Case bulk or clamp force will bother some all-day wearers.

comfort

Sennheiser HD 660S2

Sennheiser HD 660S2 gets the nod for comfort because its fit for home audiophile listening and open-back soundstage is more relevant here than Sony WH-1000XM5's different focus. Treat the win as conditional on this limitation: Premium ANC pricing is easy to overpay for if you mostly stay home.

ecosystem convenience

Sony WH-1000XM5

Sony WH-1000XM5 gets the nod for ecosystem convenience because its fit for travel ANC and tunable sound is more relevant here than Sennheiser HD 660S2's different focus. Treat the win as conditional on this limitation: Case bulk or clamp force will bother some all-day wearers.

Price and buying timing

Sennheiser HD 660S2 is tracked at $399, about 20% below its $499 launch reference, while Sony WH-1000XM5 is tracked at $299, about 25% below its $399 launch reference. Sony WH-1000XM5 currently carries the lower editorial reference by $100, but that saving only matters if it still covers the features you use every week. Sennheiser HD 660S2 remains a current-market option, but the exact US SKU and checkout price still need a retailer check; Sony WH-1000XM5 remains a current-market option, but the exact US SKU and checkout price still need a retailer check. These figures are not live offers, so re-check retailer pricing and return terms before buying.

Sennheiser HD 660S2

Reference price: $399

Sony WH-1000XM5

Reference price: $299

Recommendation

Quick verdict

Sony WH-1000XM5 is the stronger default for travel ANC and tunable sound, mainly because it pulls ahead on noise cancellation and sound quality. Pick Sennheiser HD 660S2 only if you specifically need what it does better day to day.

Winner for most buyers

Sony WH-1000XM5

Sony WH-1000XM5 is best suited to travel ANC and tunable sound. Compare alternatives if this documented drawback would undermine that fit: Case bulk or clamp force will bother some all-day wearers.

Sennheiser HD 660S2

Editorial score: 6.5 / 10

Best for: home audiophile listening, open-back soundstage

Sony WH-1000XM5

Editorial score: 8.6 / 10

Best for: travel ANC, tunable sound

Side-by-side

Specification comparison

18 tracked specs across 7 groups

Every value shows its editorial trust state. “Needs confirmation” means the field has not completed field-level source review; it does not mean the value is known to be wrong.

Sennheiser HD 660S2
Sony WH-1000XM5
Design
Type
Open-back wired headphones
Needs confirmation
Over-ear wireless headphones
Source citedSony
Form Factor
Open-back over-ear
Needs confirmation
Closed-back over-ear
Source citedSony
Weight
Around 260g without cable
Needs confirmation
250g
Source citedSony
Audio
Driver Size
38mm dynamic drivers
Needs confirmation
30mm carbon fiber composite drivers
Source citedSony
Noise Cancellation
No ANC (open-back design)
Needs confirmation
Active noise cancellation
Source citedSony
Transparency / Ambient
Fully open design
Needs confirmation
Ambient Sound mode
Source citedSony
Sound Profile
Natural, slightly warm audiophile signature
Needs confirmation
Tunable Sony signature via Headphones Connect
Needs confirmation
Battery
Battery Life
Passive wired design
Needs confirmation
Up to 30 hours with NC on / 40 hours with NC off
Source citedSony
Battery With Case
Not applicable
Needs confirmation
Not applicable
Needs confirmation
Charging
No charging required
Needs confirmation
USB-C charging
Source citedSony
Quick Charge
Not applicable
Needs confirmation
3 minutes for up to 3 hours
Source citedSony
Connectivity
Bluetooth Codecs
Wired only
Needs confirmation
SBC, AAC, LDAC
Source citedSony
Bluetooth
Wired only
Needs confirmation
Bluetooth 5.2
Source citedSony
Multipoint
Not applicable
Needs confirmation
Yes
Source citedSony
Durability
Water Resistance
Not applicable
Needs confirmation
Not water-sport rated
Needs confirmation
Calls
Microphone System
No dedicated call mic system
Needs confirmation
8-mic AI call system / multi-mic ANC array
Needs confirmation
Usability
Controls
Source/device controls only
Needs confirmation
Touch controls
Needs confirmation
App Support
No companion app required
Needs confirmation
Sony Headphones Connect
Needs confirmation
Sources and verification

These sources support the specification fields identified on the linked product pages. Unbadged fields remain editorial reference data, and price or regional availability should be checked again before purchase.

Deeper editorial notes

When Sennheiser HD 660S2 is the safer start

Sennheiser HD 660S2 is the better branch for home audiophile listening and open-back soundstage, especially when strong everyday fit for home audiophile listening. It is tracked at $399 and has a product-level reference but no cited specification fields. Compared with Sony WH-1000XM5, do not choose it on ranking position alone. Treat this as the main ownership check: Premium ANC pricing is easy to overpay for if you mostly stay home. Confirm the exact configuration before checkout.

When Sony WH-1000XM5 is worth the jump

Sony WH-1000XM5 is the better branch for travel ANC and tunable sound, especially when strong everyday fit for travel ANC. It is tracked at $299 and has 12 cited specification fields. Compared with Sennheiser HD 660S2, do not choose it on ranking position alone. Treat this as the main ownership check: Case bulk or clamp force will bother some all-day wearers. Confirm the exact configuration before checkout.

How to make the final call

Make the final call between Sennheiser HD 660S2 and Sony WH-1000XM5 by comparing comfort, noise control, call quality, and battery life, then price the complete setup. Sony WH-1000XM5 is lower by $100 on the current editorial references, but that gap can move. Check cited-field badges, configuration, warranty, return terms, and required accessories; choose the model whose documented strengths solve your routine with the less disruptive drawback.

Alternatives if neither is right

JBL Tune Flex

JBL Tune Flex is worth checking if neither comparison product lands at the right price or if you want another way to balance noise cancellation, comfort, call quality, battery life, sound tuning, app support, and return-window risk.

Soundcore Liberty 4 NC

Soundcore Liberty 4 NC is worth checking if neither comparison product lands at the right price or if you want another way to balance noise cancellation, comfort, call quality, battery life, sound tuning, app support, and return-window risk.

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