Headphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - Black vs Sony - WF-1000XM4

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.

Headphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - Black 7Hz Now ₹3,899 at Headphone Zone Lowest ever ₹3,899 on Saturday, 12th Sept, 2026 Full prices & history

Sony - WF-1000XM4 Sony Now ₹16,641 at Concept Kart Lowest ever ₹16,641 on Saturday, 26th Sept, 2026 ★★★★★ 4.6 4.6 · 161 reviews Full prices & history

Measured tuning, side by side

Both curves are real community measurements (gold: Headphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - Black · ink: Sony - WF-1000XM4). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

Headphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - Black Sony - WF-1000XM4

Tuning distance±1.48 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 nowHeadphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - BlackLowest current price across all tracked stores - ₹3,899 vs ₹16,641.

Deepest discount ever seenHeadphone Zone X 7HZ - Salnotes Zero Ltd. Ed. + FiiO - BTR11 - BlackFrom each product's own recorded price history.

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