Marshall Monitor III ANC vs Beyerdynamic DT 990 Pro

Updated Jul 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 89/100 to the Beyerdynamic DT 990 Pro's 18, leading on Noise Cancelling and Wireless. Choose the Beyerdynamic DT 990 Pro 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

Marshall Monitor III ANC leads overall

Marshall Monitor III ANC

Beyerdynamic DT 990 Pro

Watch-outs

Compromises to know before you buy

Marshall Monitor III ANC

No notable compromises found.

Beyerdynamic DT 990 Pro

No microphone — you can't take calls.

Winner by category for Marshall Monitor III ANC vs Beyerdynamic DT 990 Pro
Category	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro	Winner
Noise Cancelling	96	0	Marshall Monitor III ANC
Wireless	95	4	Marshall Monitor III ANC
Battery	98	0	Marshall Monitor III ANC
Comfort & Build	50	50	Tie
Connectivity	96	4	Marshall Monitor III ANC

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

Beyerdynamic DT 990 Pro

The Beyerdynamic DT 990 Pro is an open-back headphone designed primarily for studio monitoring, mixing, and content creation. Handcrafted in Germany, this long-standing model is characterized by its high impedance and highly durable construction. It is built for audio professionals and enthusiasts who require an expansive acoustic presentation at an accessible price point.

Best for Critical audio mixing and editing in controlled, quiet studio spacesBest for Listeners who prioritize long-term serviceability and easily repairable…

Pros

Highly modular physical design with easily replaceable parts
Open-back architecture delivers an expansive, spacious soundstage
Acoustic profile is highly responsive to user equalization

Cons

High impedance requires dedicated amplification to drive the headphones effectively
Open-back housing provides virtually no environmental sound isolation

Source

Beyerdynamic - WikipediaProvides details on Beyerdynamic's German manufacturing heritage and company history.

Video — reviews used (3)

Highlights the headphone's high impedance, lack of isolation, ease of equalization, and replaceable components.

Generated Jun 30, 2026

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

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Beyerdynamic DT 990 Pro

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Physical Comparison

Weight, side by side

Marshall Monitor III ANCBeyerdynamic DT 990 Pro

Marshall Monitor III ANC and Beyerdynamic DT 990 Pro weigh about the same.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Noise Cancelling

Feature	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro
Active Noise Cancelling	Yes	No
Transparency Mode	Yes	No

Wireless

Feature	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro
Wireless	Yes	No
Bluetooth Version		N/A
Supported Codecs	SBC, MPEG-2 AAC	N/A
Multipoint Connection	Yes	No

Battery

Feature	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro
Battery Life (ANC On)	70 h	N/A
Quick Charge	Yes	No

Comfort & Build

Feature	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro
Weight	250 g	250 g
Folding Design	Yes	No
Water Resistance	N/A	N/A
Dimensions	15.5 × 22 × 7 cm	N/A

Connectivity

Feature	Marshall Monitor III ANC	Beyerdynamic DT 990 Pro
Wired Connection	USB-C to 3.5mm	3.5mm + 6.35mm adapter
Detachable Cable	No	No
Built-in Microphone	Yes	No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Marshall Monitor III ANC vs Beyerdynamic DT 990 Pro comparison

Based on our overall comparison score, Marshall Monitor III ANC rates higher at 84/100 versus 25/100 for Beyerdynamic DT 990 Pro — a 59-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 Beyerdynamic DT 990 Pro 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 25/100 for Beyerdynamic DT 990 Pro.

At launch, Beyerdynamic DT 990 Pro was the more affordable option ($179) versus Marshall Monitor III ANC ($350). Weigh that against the overall scores (84/100 vs 25/100) 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 Beyerdynamic DT 990 Pro (25/100). But if Beyerdynamic DT 990 Pro 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.