Apple AirPods Max (USB-C) vs Sennheiser HD 660S2
The Verdict
Apple AirPods Max and Sennheiser HD 660S2 target fundamentally different listeners. AirPods Max excel for portable, feature-rich listening with active noise cancellation, spatial audio with head tracking, and 20-hour battery life,ideal for iPhone users wanting wireless convenience. HD 660S2 are open-back audiophile headphones requiring a dedicated amplifier and DAC, delivering transparent, analytical sound preferred by critical listeners in controlled environments. AirPods Max weigh nearly 125g more but include digital features; HD 660S2 prioritize pure sound quality through handmade German craftsmanship and 300-ohm impedance design. For casual listeners seeking modern connectivity, AirPods Max win. For serious audiophiles valuing accuracy over features, HD 660S2 deliver superior sonic performance. Choose AirPods Max unless you have audiophile-grade equipment and prioritize open-back acoustics.
Who Should Buy
Buy the Apple AirPods Max (USB-C) if…
- →Premium aluminum and mesh build quality
- →Excellent ANC and transparency mode
- →Seamless integration across Apple devices
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 Max (USB-C)
Pros
- Premium aluminum and mesh build quality
- Excellent ANC and transparency mode
- Seamless integration across Apple devices
- Now supports lossless audio via USB-C cable
Cons
- Very heavy compared to competitors
- No real power-off button, relies on Smart Case
- No multipoint outside Apple ecosystem
- Still uses Bluetooth 5.0, no LDAC or aptX
- Expensive
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 Max (USB-C) | Sennheiser HD 660S2 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | over-ear | over-ear |
| Weight | 384.8 g | 260 g |
| Battery | ||
| Battery life | 20 hours ANC on | N/A (wired) |
| Charging | USB-C, 5 min = 1.5 hours quick charge | N/A |
| Drivers | 40mm dynamic with dual neodymium ring magnet motor | 42mm dynamic transducer, 300 ohm impedance |
| Features | Personalized Spatial Audio with head tracking, Adaptive EQ, Transparency mode, Apple H1 chip, Lossless audio over USB-C (iOS 18) | 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 | None | 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 Max (USB-C) or the Sennheiser HD 660S2.