Marshall Monitor III ANC vs Sonos Ace
Verdict
Our overall take, at a glance
Key takeaways
- Marshall Monitor III ANC leads Sonos Ace overall by 19 points (96 vs 77 out of 100).
- Marshall Monitor III ANC stands out on Battery Life (ANC On): 70 h, Comfort & Build Weight: 250 g.
Marshall Monitor III ANC leads overall
$350 at launch
Marshall Monitor III ANC
96
Sonos Ace
77
Why it stands out
- Battery Life (ANC On): 70 h
- Comfort & Build Weight: 250 g
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 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
Sonos Ace
AI analysis isn't ready yet
We haven't generated an in-depth write-up for Sonos Ace yet. The specs, scores and strengths profile above still cover it — check back later for the AI summary.
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
Sonos Ace
Physical Comparison
Weight, side by side
Marshall Monitor III ANCSonos Ace
Sonos Ace is 62 g (25%) heavier than Marshall Monitor III ANC.
Review Videos
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Detailed Specifications
The full spec sheet, side by side