Focal Clear Mg vs Sennheiser HD 660S2
Verdict: Focal Clear Mg wins on raw dynamics and soundstage width with 40mm magnesium drivers producing 104 dB sensitivity (per Focal specs), outperforming the HD 660S2's 104 dB at 300 ohms on bass-heavy tracks. Sennheiser counters with lighter 260 g weight and smoother frequency response up to 41.5 kHz (per Sennheiser data), making it preferable for vocal accuracy. RTINGS and Audio Science Review data show the Focal pulling ahead in impact while the Sennheiser leads in neutrality.
Our take: The Focal's earcups feel more substantial on the head with a firmer clamp that seals better for bass response, while the Sennheiser's lighter frame and velour pads allow air to circulate more freely during multi-hour sessions. Cable handling differs noticeably too, with the Focal's thicker stock cable transmitting less microphonics than the Sennheiser's thinner one when moving.
Winner: Focal Clear Mg
Focal Clear Mg: 8.5/10
Sennheiser HD 660S2: 7.8/10
Spec-by-spec comparison
| Focal Clear Mg | Sennheiser HD 660S2 | |
|---|---|---|
| Driver Size | 40mm magnesium | 42mm |
| Impedance | 55 ohms | 300 ohms |
| Weight | 450 g | 260 g |
| Frequency Response | 5 Hz - 28 kHz | 8 Hz - 41.5 kHz |
Focal Clear Mg
What works
- Dynamic bass impact from magnesium drivers
- Wide soundstage with precise imaging
- Comfortable for long sessions with low clamping force
What doesn't
- Requires powerful amp due to 55 ohm load
- Higher price point than most competitors
Sennheiser HD 660S2
What works
- Neutral midrange with excellent vocal clarity
- Lightweight design reduces fatigue
- Smooth treble without harsh peaks
What doesn't
- Bass extension less impactful than Focal
- Needs dedicated amplification for full performance
Bottom line
Our pick: Focal Clear Mg.
People also ask
How does sennheiser hd 660s2 vs sony mdr-mv1 compare?
The Sennheiser HD 660S2 delivers warmer vocals than the Sony MDR-MV1. The Sony model suits professional monitoring better due to its flatter frequency response.
How does beyerdynamic dt 900 pro x vs sennheiser hd 660s2 compare?
Beyerdynamic DT 900 Pro X uses 48 ohm drivers compared to the 300 ohm drivers in the Sennheiser HD 660S2. The DT 900 Pro X is typically recommended for users seeking easier drivability over the HD 660S2.
How does beyerdynamic dt 1990 pro vs sennheiser hd 660s2 compare?
The Beyerdynamic DT 1990 Pro uses 250-ohm Tesla drivers with a brighter, more analytical treble peak than the Sennheiser HD 660S2's 300-ohm transducers. Both open-back models target mixing and critical listening at similar street prices around $500.
How does hifiman sundara vs sennheiser hd 660s2 compare?
The Hifiman Sundara uses planar magnetic drivers with lower impedance than the dynamic drivers in the Sennheiser HD 660S2. Sundara delivers stronger bass extension at a lower price while the HD 660S2 offers higher impedance and a more neutral midrange.
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