Sennheiser HD 4.40 BT - Wireless Headphone vs Sony MDR-7506 Closed Back Studio 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 4.40 BT - Wireless Headphone
Sennheiser
Out of stock at every tracked store
Lowest ever ₹7,490 on Saturday, 12th Sept, 2026
★★★★★ 4.8 4.8 · 470 reviews
Full prices & history
Sony MDR-7506 Closed Back Studio Headphones
Sony
Lowest ever ₹6,990 on Wednesday, 7th Oct, 2026
★★★★★ 5.0 5.0 · 2 reviews
Full prices & history
Measured tuning, side by side
Both curves are real community measurements (gold: Sennheiser HD 4.40 BT - Wireless Headphone · ink: Sony MDR-7506 Closed Back Studio Headphones). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.
Sennheiser HD 4.40 BT - Wireless Headphone
Sony MDR-7506 Closed Back Studio Headphones
Tuning distance±5.11 dB RMS69% match - 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 nowSony MDR-7506 Closed Back Studio HeadphonesLowest current price across all tracked stores.
Deepest discount ever seenSony MDR-7506 Closed Back Studio HeadphonesFrom each product's own recorded price history.
This page reports facts and expresses no opinion on which to purchase.