Marshall Monitor III ANC vs Sennheiser HD 620S

Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Marshall Monitor III ANC is the better pick — it scores 92/100 to the Sennheiser HD 620S's 14, leading on Noise Cancelling and Wireless. Choose the Sennheiser HD 620S instead if you want to spend less.

  • Sound quality isn't scored yet (we have no measured audio data), so the score covers features, battery, noise cancelling and build.

Verdict

Our overall take, at a glance

Key takeaways

  • Marshall Monitor III ANC leads Sennheiser HD 620S overall by 78 points (92 vs 14 out of 100).
  • Marshall Monitor III ANC stands out on Comfort & Build Weight: 250 g (23% less).
Marshall Monitor III ANC leads overall
Marshall Monitor III ANC
92
Sennheiser HD 620S
14
Why it stands out
  • Comfort & Build Weight: 250 g (23% less)

Watch-outs

Compromises to know before you buy

Marshall Monitor III ANC

No notable compromises found.

Sennheiser HD 620S

  • No microphone — you can't take calls.

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.

Marshall Monitor III ANC

The Marshall Monitor III ANC is a pair of premium over-ear wireless headphones designed for music enthusiasts who value classic styling alongside modern noise-canceling technology. It features active noise cancellation, a highly collapsible design for portability, and a signature rugged aesthetic. This model aims to compete with major flagship headphones by balancing tactile physical controls with extended battery performance.

Best for Travelers needing maximum battery longevity between chargesBest for Listeners who prefer physical, tactile controls over touch-sensitive panels
Pros
  • Exceptionally long battery life ideal for multi-day use
  • Highly collapsible design makes them easy to pack and transport
  • Tactile multi-directional control knob offers intuitive playback adjustments
  • Durable, classic design inspired by iconic amplifier styling
Cons
  • Active noise cancellation performance may not entirely match the industry-leading isolation of key competitors

Sennheiser HD 620S

The Sennheiser HD 620S is a closed-back dynamic headphone designed for audiophiles who want the mid-range performance and tuning characteristic of the open-back HD 600 series but require passive isolation. It features a closed-cup acoustic design aimed at providing a spacious soundstage while physically blocking out external noise.

Best for Audiophile-grade critical listening in offices or shared living spaces where…Best for Fans of the classic Sennheiser sound signature who need isolation from ambient…
Pros
  • Provides passive noise isolation to block external sound and prevent leakage
  • Adapts the highly regarded Sennheiser HD 6X0 sound signature into a closed-back layout
  • Durable build design intended for long-term reliability
Cons
  • Inherent acoustic limitations of closed ear cups may result in a less natural soundstage compared to true open-back models
  • Clamp force and physical headband design may cause pressure discomfort during extended listening sessions

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Marshall Monitor III ANC

Sennheiser HD 620S

Physical Comparison

Weight, side by side

250 g326 g
Marshall Monitor III ANCSennheiser HD 620S

Sennheiser HD 620S is 76 g (30%) heavier than Marshall Monitor III ANC.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Frequently Asked Questions

Common questions about Marshall Monitor III ANC vs Sennheiser HD 620S comparison

Based on our overall comparison score, Marshall Monitor III ANC rates higher at 84/100 versus 21/100 for Sennheiser HD 620S — a 63-point lead. Marshall Monitor III ANC is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Marshall Monitor III ANC and Sennheiser HD 620S are compared side by side above across every spec in the headphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 84/100 for Marshall Monitor III ANC and 21/100 for Sennheiser HD 620S.
At launch, Marshall Monitor III ANC was the more affordable option ($350) versus Sennheiser HD 620S ($350). Weigh that against the overall scores (84/100 vs 21/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated headphones option overall, Marshall Monitor III ANC (84/100) edges out Sennheiser HD 620S (21/100). But if Sennheiser HD 620S is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.

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