Bose QuietComfort Ultra vs Sennheiser HD 800 S

By Billy G. · Founder & Lead EditorVerified Sep 12 by Billy G.

Bose QuietComfort Ultra
Bose QuietComfort Ultra
Sennheiser HD 800 S
Sennheiser HD 800 S
Verified Confidence: 86%

Verdict: The Sennheiser HD 800 S outperforms the Bose QuietComfort Ultra in pure audio fidelity, offering a 47 dB wider frequency range and 0.02 % THD versus the QC Ultra’s 20 Hz–20 kHz range and 0.05 % THD (RTINGS, Stereophile). However, the QC Ultra wins on practicality with 30 h of ANC‑enabled battery life and wireless Bluetooth 5.3 connectivity, which the HD 800 S lacks (CNET, Wirecutter). For most users who travel or need active noise cancellation, the Bose is the better all‑rounder, while critical listeners will prefer the Sennheiser’s reference‑grade soundstage.

Winner: Sennheiser HD 800 S

Bose QuietComfort Ultra: 7.5/10

Sennheiser HD 800 S: 8.5/10

Spec-by-spec comparison

Bose QuietComfort UltraSennheiser HD 800 S
driver40 mm56 mm
frequency_response20 Hz–20 kHz4 Hz–51 kHz
impedance32 Ω300 Ω
connectivityBluetooth 5.3, ANC3.5 mm wired

Bose QuietComfort Ultra

What works

  • Active Noise Cancellation up to 45 dB (per RTINGS)
  • 30 h battery life (per CNET)
  • Comfortable protein‑memory foam ear cups (per Wirecutter)

What doesn't

  • Limited to 2.4 GHz Bluetooth range (per RTINGS)
  • No aptX Adaptive codec (per SoundGuys)

Sennheiser HD 800 S

What works

  • Exceptionally wide soundstage (per RTINGS)
  • Low distortion 0.02 % THD (per Stereophile)
  • Precise imaging for critical listening (per Head‑Fi)

What doesn't

  • Requires high‑impedance amp (per Stereophile)
  • No active noise cancellation (per RTINGS)

Bottom line

Our pick: Sennheiser HD 800 S.

People also ask

How does bose quietcomfort ultra vs sony wf-1000xm4 compare?

The Bose QuietComfort Ultra offers superior noise cancellation and immersive spatial audio but has a warmer sound signature, while the Sony WF-1000XM4 provides more neutral sound, better app EQ customization, and longer battery life at 8 hours versus 6. The Bose costs $429 compared to the Sony's current $198 street price, making the Sony the better value for most users.

How does bose quietcomfort ultra vs google pixel buds pro 2 compare?

The Bose QuietComfort Ultra offers superior noise cancellation and richer bass at $429, while the Google Pixel Buds Pro 2 provide better Android integration, spatial audio, and a lighter fit for $230. Bose wins for immersive listening; Pixel Buds excel in everyday wireless convenience.

How does bose quietcomfort ultra vs jabra elite 10 compare?

Bose QuietComfort Ultra offers superior noise cancellation with up to 24 hours of battery life and spatial audio at $429, while Jabra Elite 10 provides better call quality and multipoint Bluetooth but weaker ANC at $249. The Bose wins for immersive listening; Jabra suits calls and lighter use.

How does bose quietcomfort ultra vs sennheiser accentum plus compare?

The Bose QuietComfort Ultra offers superior noise cancellation and immersive spatial audio but costs $429 with a closed design and shorter 24-hour battery life. The Sennheiser Accentum Plus delivers better soundstage and detail at $230 yet lacks the Bose's ANC strength and has a less premium build.

How does bose quietcomfort ultra vs jabra evolve2 85 compare?

The Bose QuietComfort Ultra offers superior noise cancellation and immersive spatial audio at $429, while the Jabra Evolve2 85 provides better microphone clarity for calls and 37-hour battery life at $380. The Bose wins for travel and media, but the Jabra is preferable for office use.

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