Apple AirPods 3rd Gen vs Sennheiser HD 660S2
The Verdict
AirPods 3rd Gen and HD 660S2 serve completely different audiences and use cases. AirPods 3 prioritize convenience with wireless connectivity, Spatial Audio, adaptive EQ, and seamless Apple ecosystem integration via automatic device switching,ideal for mobile users seeking everyday earbuds. Battery life reaches 6 hours per charge with 30 hours total via the MagSafe case. Meanwhile, HD 660S2 represents audiophile-grade equipment designed for critical listening at a desktop setup, featuring a premium 42mm dynamic transducer, 300-ohm impedance requiring dedicated amplification, and handmade German engineering. Open-back design delivers exceptional soundstage but demands wired connectivity and proper amplification investment. Choose AirPods 3 for portable versatility and Apple integration; select HD 660S2 if you're a serious listener prioritizing ultimate sound quality through dedicated gear. These aren't competing products,they're distinct categories.
Who Should Buy
Buy the Apple AirPods 3rd Gen if…
- →Spatial Audio with head tracking creates an immersive listening experience
- →MagSafe charging case is convenient for iPhone and Apple Watch charger users
- →IPX4 sweat and water resistance for workouts
Buy the Sennheiser HD 660S2 if…
- →Reference-grade sound with improved bass over the original HD 660S
- →Both 6.35mm and 4.4mm balanced cables included in the box
- →Open-back design creates a wide, natural soundstage
Category Scores
Pros & Cons
Apple AirPods 3rd Gen
Pros
- Spatial Audio with head tracking creates an immersive listening experience
- MagSafe charging case is convenient for iPhone and Apple Watch charger users
- IPX4 sweat and water resistance for workouts
- Comfortable open-ear design with shorter stems than AirPods 2
- Excellent microphone quality for calls
Cons
- No active noise cancellation at $169 price point
- Open design leaks sound and doesn't isolate ambient noise
- No ear tips — may not fit all ear shapes securely
- AAC-only codec limits audio quality on Android devices
Sennheiser HD 660S2
Pros
- Reference-grade sound with improved bass over the original HD 660S
- Both 6.35mm and 4.4mm balanced cables included in the box
- Open-back design creates a wide, natural soundstage
- Lightweight at 260 g for an audiophile over-ear
- Replaceable parts make it a long-term investment
Cons
- 300-ohm impedance requires a dedicated amp/DAC to drive properly
- Wired only — no Bluetooth option
- Open-back leaks significant sound — not for shared spaces
- $499 is steep for headphones that need additional equipment
Full Specifications
| Spec | Apple AirPods 3rd Gen | Sennheiser HD 660S2 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | over-ear |
| Weight | 4.28 g (each) | 260 g |
| Battery | ||
| Battery life | 6 hrs (earbuds), 30 hrs total with case | N/A (wired) |
| Charging | Lightning or MagSafe wireless, 5 min = 1 hr playback | N/A |
| Drivers | Apple-designed driver with custom amplifier | 42mm dynamic transducer, 300 ohm impedance |
| Features | Spatial Audio with dynamic head tracking, Adaptive EQ, MagSafe and wireless charging case, Force sensor controls, Automatic device switching | Open-back audiophile design, 300-ohm impedance for dedicated amp/DAC use, Balanced 4.4mm Pentaconn cable included, Replaceable ear pads and cables, Handmade in Germany |
| Connectivity | ||
| Wired option | ||
| Codecs | AAC, SBC | |
| Bluetooth | 5.0 | None (wired only) |
| Multipoint | ||
| Water Resistance | IPX4 | None |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in headphones, see all Apple products or all Sennheiser products. View full details for the Apple AirPods 3rd Gen or the Sennheiser HD 660S2.
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