Sennheiser Accentum Plus vs Sennheiser HD 660S2

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

For most buyers the Sennheiser Accentum Plus is the better pick — it scores 90/100 to the Sennheiser HD 660S2's 16, leading on Noise Cancelling and Wireless. Choose the Sennheiser HD 660S2 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

Sennheiser Accentum Plus leads overall

Sennheiser Accentum Plus

Sennheiser HD 660S2

Why it stands out

Comfort & Build Weight: 227 g (13% less)

Watch-outs

Compromises to know before you buy

Sennheiser Accentum Plus

No notable compromises found.

Sennheiser HD 660S2

No microphone — you can't take calls.

Winner by category for Sennheiser Accentum Plus vs Sennheiser HD 660S2
Category	Sennheiser Accentum Plus	Sennheiser HD 660S2	Winner
Noise Cancelling	96	0	Sennheiser Accentum Plus
Wireless	94	4	Sennheiser Accentum Plus
Battery	98	0	Sennheiser Accentum Plus
Comfort & Build	56	44	Sennheiser Accentum Plus
Connectivity	96	4	Sennheiser Accentum Plus

In-depth analysisAI

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

Sennheiser Accentum Plus

The Sennheiser Accentum Plus is a pair of mid-tier wireless headphones designed for listeners who want premium features at a more accessible price point. This model refines its predecessor by integrating Adaptive Hybrid ANC, touch pad controls, and a dedicated 3.5mm port for wired audio playback.

Best for Commuters seeking adaptive noise cancellation on a mid-range budgetBest for Listeners who require the flexibility of switching between wireless and wired…

Pros

Equipped with Adaptive Hybrid ANC that adjusts dynamically to surrounding noise
Features an integrated touch pad on the ear cup for more intuitive control navigation
Includes a 3.5mm auxiliary port to allow for wired listening options

Cons

Aesthetic design and material build remain highly similar to the lower-cost standard Accentum model

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.

Sennheiser Accentum Plus

Check Price on Amazon

Sennheiser HD 660S2

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Physical Comparison

Weight, side by side

Sennheiser Accentum PlusSennheiser HD 660S2

Sennheiser HD 660S2 is 33 g (15%) heavier than Sennheiser Accentum Plus.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Noise Cancelling

Feature	Sennheiser Accentum Plus	Sennheiser HD 660S2
Active Noise Cancelling	Yes	No
Transparency Mode	Yes	No

Wireless

Feature	Sennheiser Accentum Plus	Sennheiser HD 660S2
Wireless	Yes	No
Bluetooth Version		N/A
Supported Codecs	N/A	N/A
Multipoint Connection	Yes	No

Battery

Feature	Sennheiser Accentum Plus	Sennheiser HD 660S2
Battery Life (ANC On)	50 h	N/A
Quick Charge	Yes	No

Comfort & Build

Feature	Sennheiser Accentum Plus	Sennheiser HD 660S2
Weight	227 g13% less	260 g
Folding Design	No	No
Water Resistance	N/A	N/A
Dimensions	N/A	15 × 20 × 10 cm

Connectivity

Feature	Sennheiser Accentum Plus	Sennheiser HD 660S2
Wired Connection	N/A	6.35mm + 4.4mm balanced
Detachable Cable	Yes	Yes
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 Sennheiser Accentum Plus vs Sennheiser HD 660S2 comparison

Based on our overall comparison score, Sennheiser Accentum Plus rates higher at 83/100 versus 24/100 for Sennheiser HD 660S2 — a 59-point lead. Sennheiser Accentum Plus 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.

Sennheiser Accentum Plus 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 83/100 for Sennheiser Accentum Plus and 24/100 for Sennheiser HD 660S2.

At launch, Sennheiser Accentum Plus was the more affordable option ($230) versus Sennheiser HD 660S2 ($599). Weigh that against the overall scores (83/100 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.

If you want the higher-rated headphones option overall, Sennheiser Accentum Plus (83/100) edges out Sennheiser HD 660S2 (24/100). But if Sennheiser HD 660S2 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.