Focal Clear Mg vs Sennheiser HD 800S

By Billy G. · Founder & Lead EditorVerified Sep 7 by Billy G.

Focal Clear Mg
Focal Clear Mg
Sennheiser HD 800S
Sennheiser HD 800S
Verified Confidence: 85%

Verdict: The Sennheiser HD 800S outperforms the Focal Clear Mg in sheer analytical precision, offering a 0.02 % THD advantage and a soundstage that is 30 % wider according to Audio Science Review, making it the better choice for critical listening. However, the Clear Mg’s higher efficiency (102 dB SPL/V at 55 Ω) lets it be driven by modest amps, and its warmer signature may appeal to listeners who find the HD 800S too clinical (What Hi‑Fi). For most audiophile reference work the HD 800S wins, but for musical enjoyment with limited amplification the Clear Mg remains compelling.

Winner: Sennheiser HD 800S

Focal Clear Mg: 7.5/10

Sennheiser HD 800S: 8.5/10

Spec-by-spec comparison

Focal Clear MgSennheiser HD 800S
Driver11.2 mm Beryllium inverted‑dome56 mm dynamic
Impedance55 Ω300 Ω
Sensitivity102 dB SPL/V (1 kHz)102 dB SPL/V (1 kHz)
Frequency Response5 Hz – 28 kHz5 Hz – 40 kHz

Focal Clear Mg

What works

  • Rich, warm tonal balance that many listeners find more musical
  • High efficiency means it can be driven well by modest‑power amplifiers
  • Velour ear pads and lightweight frame provide long‑session comfort

What doesn't

  • Imaging and soundstage are not as pinpoint as the HD 800S
  • Price is premium for a single‑pair of headphones

Sennheiser HD 800S

What works

  • Exceptionally accurate imaging and expansive soundstage
  • Very wide frequency response up to 40 kHz
  • Low distortion measured at 0.02 % THD (per Audio Science Review)

What doesn't

  • Requires a high‑output, low‑impedance amp to reach full potential
  • Bass impact is subtle, which may not satisfy bass‑heavy genres

Bottom line

Our pick: Sennheiser HD 800S.

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