Sennheiser - HD 660S2 Open-Back Wired Headphone vs ZMF Ori Ear Pads for Apos x Audio-Technica R70x Refine - ZMF Ori Ear Pads + ATH-R70x Refine Headphones

Every tracked fact about the two, side by side - prices, history lows, ratings and measured tuning. No verdict: which one to buy is the visitor's decision, always.

Sennheiser - HD 660S2 Open-Back Wired Headphone Sennheiser Now ₹29,990 at Headphone Zone Lowest ever ₹29,990 on Sunday, 27th Sept, 2026 Full prices & history

ZMF Ori Ear Pads for Apos x Audio-Technica R70x Refine - ZMF Ori Ear Pads + ATH-R70x Refine Headphones zmf Out of stock at every tracked store Lowest ever ₹31,449 on Sunday, 27th Sept, 2026 Full prices & history

Measured tuning, side by side

Both curves are real community measurements (gold: Sennheiser - HD 660S2 Open-Back Wired Headphone · ink: ZMF Ori Ear Pads for Apos x Audio-Technica R70x Refine - ZMF Ori Ear Pads + ATH-R70x Refine Headphones). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

Sennheiser - HD 660S2 Open-Back Wired Headphone ZMF Ori Ear Pads for Apos x Audio-Technica R70x Refine - ZMF Ori Ear Pads + ATH-R70x Refine Headphones

Tuning distance±1.58 dB RMS91% match - Very close. Computed on a shared 40-point log grid, 20 Hz–10 kHz. A measurement-space fact, not a promise two ears agree.

What a curve cannot seeBuild, driver QC unit-to-unit, comfort, isolation, accessories, warranty and resale value sit outside the graph - usually what the pricier one is charging for.

The decision, factually

Cheaper right nowSennheiser - HD 660S2 Open-Back Wired HeadphoneLowest current price across all tracked stores.

Deepest discount ever seenSennheiser - HD 660S2 Open-Back Wired HeadphoneFrom each product's own recorded price history.

This page reports facts and expresses no opinion on which to purchase.