AKG K371 vs Sennheiser HD 660S2

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

The AKG K371 and Sennheiser HD 660S2 are closely matched at 26 and 25/100. The AKG K371 edges ahead, while the Sennheiser HD 660S2 leads on value — pick the one whose strengths match what you'll actually use.

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

AKG K371 and Sennheiser HD 660S2 are closely matched

AKG K371

Sennheiser HD 660S2

Watch-outs

Compromises to know before you buy

AKG K371

No microphone — you can't take calls.

Sennheiser HD 660S2

No microphone — you can't take calls.

Winner by category for AKG K371 vs Sennheiser HD 660S2
Category	AKG K371	Sennheiser HD 660S2	Winner
Noise Cancelling	0	0	Tie
Wireless	15	15	Tie
Battery	0	0	Tie
Comfort & Build	51	49	Tie
Connectivity	15	15	Tie

In-depth analysisAI

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

AKG K371

The AKG K371 is a closed-back, over-ear headphone designed for audio professionals, studio tracking, and content creators. Tuned closely to the Harman target curve, it provides a balanced and accurate frequency response for monitoring without requiring heavy amplification. Its collapsible design makes it highly portable for creators working on the go.

Best for Portable audio mixing and editing where a reliable, neutral reference frequency Best for Podcasting and vocal tracking requiring a closed-back design to prevent…

Pros

Highly accurate sound signature tuned closely to the Harman target curve
Folding earcup design makes them exceptionally portable for studio headphones
Includes multiple detachable cables (coiled and straight) for versatile connectivity

Cons

Bass response is highly dependent on achieving a perfect seal, which can be disrupted by glasses or thick hair
Plastic-heavy construction and hinge mechanisms feel less robust than some dedicated studio competitors

Sennheiser HD 660S2

The Sennheiser HD 660S2 is a reference headphone model known for its clear, detailed, and warm sound signature. The design includes rich black velour earpads, and the headphones are noted for being lightweight. It provides impressive vocal clarity in the midrange.

Best for vocal trackingBest for classical musicBest for rock

Pros

Features a fuller and warmer bass response than the original HD 660S
The sound is described as clear, crisp, and detailed without sounding overly analytical
Provides excellent detail and separation, with vocals prominently featured
Is noted for being comfortable for long listening sessions due to light weight and earpads

Cons

Can have a rather tight clamping force out of the box
May not be suitable for genres requiring extremely thunderous bass (e.g., EDM or rap)

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.

AKG K371

Check Price on Amazon

Sennheiser HD 660S2

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

AKG K371Sennheiser HD 660S2

Sennheiser HD 660S2 is 5 g (2%) heavier than AKG K371.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Wireless

Feature	AKG K371	Sennheiser HD 660S2
Wireless	No	No
Supported Codecs	N/A	N/A

Comfort & Build

Feature	AKG K371	Sennheiser HD 660S2
Weight	255 g	260 g
Folding Design	Yes	No
Water Resistance	N/A	N/A
Dimensions	22.5 × 23.5 × 11 cm	15 × 20 × 10 cm

Connectivity

Feature	AKG K371	Sennheiser HD 660S2
Wired Connection	3.5mm + 6.35mm adapter	6.35mm + 4.4mm balanced
Detachable Cable	Yes	Yes
Built-in Microphone	No	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 AKG K371 vs Sennheiser HD 660S2 comparison

They are closely matched: AKG K371 scores 25/100 and Sennheiser HD 660S2 scores 24/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

AKG K371 and Sennheiser HD 660S2 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 25/100 for AKG K371 and 24/100 for Sennheiser HD 660S2.

At launch, AKG K371 was the more affordable option ($149) versus Sennheiser HD 660S2 ($599). Weigh that against the overall scores (25/100 vs 24/100) 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.

It's close — AKG K371 (25/100) and Sennheiser HD 660S2 (24/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.