Why look beyond Sennheiser HD 660S2
The Sennheiser HD 660S2 is positioned as a premium open-back headphone for critical listening and audiophile-grade gaming experiences, known for its refined sound signature and wide soundstage (Sennheiser HD 660S2 product page). However, specific user requirements or preferences may lead to exploring alternatives.
One primary reason is the sound profile. While the HD 660S2 is lauded for its balanced and natural presentation, some users might seek a more pronounced bass response for certain music genres or gaming scenarios, or a brighter treble for enhanced detail retrieval. Different driver technologies, such as planar magnetic versus dynamic drivers, offer distinct sonic characteristics that might better suit individual tastes. For example, planar magnetic headphones often provide a different transient response and bass extension.
Another factor is impedance and amplification requirements. The HD 660S2 has a nominal impedance of 300 ohms, which often necessitates dedicated headphone amplification for optimal performance (Sennheiser HD 660S2 specifications). Users without existing amplification setups, or those preferring direct connection to a PC or console, might seek lower-impedance alternatives that are easier to drive. Furthermore, while the HD 660S2 offers a comfortable fit, individual head shapes and preferences can vary, making alternative ergonomic designs a consideration. Finally, the price point of the HD 660S2 may also lead users to explore options that offer a similar experience at a different budget.
Top alternatives ranked
-
1. Beyerdynamic DT 900 PRO X — Studio reference for gaming and mixing
The Beyerdynamic DT 900 PRO X is an open-back studio headphone designed for critical listening, mixing, and mastering, which also translates well to gaming. It features Beyerdynamic's STELLAR.45 dynamic drivers, offering a detailed and neutral sound reproduction (Beyerdynamic DT 900 PRO X product page). With an impedance of 48 ohms, it is significantly easier to drive than the HD 660S2, making it suitable for a wider range of devices without requiring a dedicated amplifier. The DT 900 PRO X provides a wide soundstage and precise imaging, which are beneficial for competitive gaming where positional audio cues are crucial. Its robust build quality and replaceable components ensure longevity, a hallmark of Beyerdynamic's professional line. The velour ear pads offer comfort during extended use, similar to the HD 660S2, making it a strong contender for long gaming or listening sessions.
- Best for: Studio monitoring, competitive gaming, users seeking lower impedance
- Beyerdynamic DT 900 PRO X Profile
-
2. HIFIMAN Sundara — Planar magnetic clarity and wide soundstage
The HIFIMAN Sundara offers a different acoustic experience through its planar magnetic drivers, known for their fast transient response and detailed sound reproduction (HIFIMAN Sundara product page). Compared to the dynamic drivers in the Sennheiser HD 660S2, the Sundara often presents a flatter frequency response with extended bass and treble, appealing to users who prefer a more analytical sound. Its open-back design contributes to an expansive soundstage, providing excellent spatial awareness in games and a natural presentation for music. With an impedance of 37 ohms, the Sundara is also more forgiving with amplification than the HD 660S2, though it still benefits from a good quality source. The build features a comfortable headband and large earcups, ensuring a pleasant fit for long listening periods. The Sundara is a strong alternative for those seeking the unique characteristics of planar magnetic technology at a competitive price point.
- Best for: Audiophiles, critical listening, users preferring planar magnetic sound
- HIFIMAN Sundara Profile
-
3. Audio-Technica ATH-R70x — Lightweight reference for extended sessions
The Audio-Technica ATH-R70x is Audio-Technica's flagship open-back reference headphone, designed for accuracy and comfort during prolonged use (Audio-Technica ATH-R70x product page). It features high-efficiency magnets and a pure alloy mesh acoustic resistor, contributing to a natural and spacious sound. With a high impedance of 470 ohms, the ATH-R70x is more demanding to drive than the HD 660S2, explicitly requiring dedicated amplification for optimal performance. Its sound signature is often described as neutral and transparent, with excellent detail retrieval and a wide, airy soundstage, making it suitable for mixing, mastering, and critical listening. The unique 3D wing support system provides a lightweight and comfortable fit that minimizes pressure on the head, a significant advantage for extended gaming or work sessions. For users prioritizing neutrality and comfort who already possess or plan to acquire a robust amplifier, the ATH-R70x is a compelling alternative.
- Best for: Professional audio mixing, critical listening, extreme comfort for long sessions
- Audio-Technica ATH-R70x Profile
-
4. Logitech G PRO X 2 LIGHTSPEED — Wireless gaming with audiophile aspirations
The Logitech G PRO X 2 LIGHTSPEED is a wireless gaming headset that attempts to bridge the gap between gaming functionality and audiophile sound quality (Logitech G PRO X 2 LIGHTSPEED product page). While the Sennheiser HD 660S2 is purely wired and focused on sound fidelity, the G PRO X 2 offers the convenience of wireless connectivity with Logitech's LIGHTSPEED technology, ensuring low-latency audio crucial for competitive gaming. It features 50mm Graphene drivers, which Logitech claims offer improved sound clarity and reduced distortion. The headset includes a detachable boom microphone with Blue VO!CE technology for clear communication. While its sound profile is tuned more for gaming, with an emphasis on footsteps and in-game cues, it also provides a respectable soundstage and detail for music listening, making it a versatile option for users who want a single headset for both high-performance gaming and casual music enjoyment without the constraints of a cable. It's an excellent choice for those prioritizing wireless freedom combined with solid audio performance.
- Best for: Wireless competitive gaming, versatile use, integrated microphone
- Logitech G PRO X 2 LIGHTSPEED Profile
Side-by-side
| Feature | Sennheiser HD 660S2 | Beyerdynamic DT 900 PRO X | HIFIMAN Sundara | Audio-Technica ATH-R70x | Logitech G PRO X 2 LIGHTSPEED |
|---|---|---|---|---|---|
| Acoustic Design | Open-back | Open-back | Open-back | Open-back | Closed-back |
| Driver Type | Dynamic | Dynamic (STELLAR.45) | Planar Magnetic | Dynamic | Dynamic (Graphene) |
| Impedance | 300 ohms | 48 ohms | 37 ohms | 470 ohms | 38 ohms |
| Connectivity | Wired | Wired | Wired | Wired | Wireless (LIGHTSPEED), Wired (3.5mm) |
| Microphone | None | None | None | None | Detachable Boom Mic (Blue VO!CE) |
| Primary Use Case | Critical listening, audiophile gaming | Studio monitoring, gaming | Audiophile listening, gaming | Professional mixing, critical listening | Competitive gaming, versatile use |
| Comfort System | Velour ear pads, padded headband | Velour ear pads, padded headband | Hybrid ear pads, padded headband | 3D wing support, velour ear pads | Memory foam ear pads, padded headband |
| Price (MSRP) | $599.95 | ~$299.00 | ~$299.00 | ~$349.00 | ~$249.99 |
How to pick
Selecting an alternative to the Sennheiser HD 660S2 involves evaluating your primary use case, desired sound signature, amplification setup, and budget. The HD 660S2 excels in delivering a balanced, natural sound with a wide soundstage, making it ideal for critical music listening and audiophile gaming where nuanced audio is paramount.
Consider your amplification
- If you already own a dedicated headphone amplifier or DAC/amp stack, or are willing to invest in one, the Sennheiser HD 660S2 and Audio-Technica ATH-R70x are excellent choices. Their higher impedance benefits significantly from quality amplification, allowing them to reach their full sonic potential. The ATH-R70x, in particular, demands substantial power due to its 470-ohm impedance, delivering a highly neutral and airy sound.
- If you prefer a headphone that is easier to drive directly from a PC, console, or portable device without additional amplification, consider the Beyerdynamic DT 900 PRO X (48 ohms) or the HIFIMAN Sundara (37 ohms). These alternatives offer excellent performance with less demanding power requirements, providing greater flexibility in your setup.
Define your sound preference
- For a sound signature similar to the HD 660S2's balanced and natural presentation, the Beyerdynamic DT 900 PRO X offers a neutral and detailed sound with a wide soundstage, suitable for both analytical listening and immersive gaming.
- If you are curious about planar magnetic drivers and desire a fast, detailed sound with extended bass and treble, the HIFIMAN Sundara is a strong contender. Its planar magnetic technology provides a distinct sonic character that many audiophiles prefer for its clarity and impact.
- For the most neutral and transparent sound possible, often favored by audio professionals, the Audio-Technica ATH-R70x stands out. It provides an exceptionally flat frequency response and an expansive, airy soundstage, ideal for mixing, mastering, or highly critical listening.
- If your priority is a versatile wireless solution for gaming with a good microphone and respectable audio quality, the Logitech G PRO X 2 LIGHTSPEED is an excellent choice. While its sound profile is more gaming-oriented than the audiophile-focused wired options, it offers the convenience of wireless connectivity and integrated communication features.
Budget and build quality
- The Sennheiser HD 660S2 represents a premium investment. Alternatives like the Beyerdynamic DT 900 PRO X and HIFIMAN Sundara offer competitive audiophile-grade performance at a potentially lower price point, depending on sales and region.
- The Audio-Technica ATH-R70x is priced similarly to the HD 660S2 but offers a different sonic presentation and an exceptionally lightweight, comfortable design.
- The Logitech G PRO X 2 LIGHTSPEED is generally more affordable than the HD 660S2, offering a feature-rich wireless gaming experience for its price.
Ultimately, the best alternative depends on balancing these factors to match your specific audio needs and preferences. Consider trying headphones if possible, as personal comfort and sound perception are subjective.