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PENON QUATTRO 4 DD IEM vs Sony IER-M7 In-Ear Headphones - Open Box - Clearance - No exterior packaging or eartips - Comes with carry case and cable

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.

PENON QUATTRO 4 DD IEM PENON QUATTRO 4 DD IEM Penon Out of stock at every tracked store Lowest ever ₹31,491 on Friday, 25th Sept, 2026 Full prices & history
Sony IER-M7 In-Ear Headphones - Open Box - Clearance - No exterior packaging or eartips - Comes with carry case and cable Sony IER-M7 In-Ear Headphones - Open Box - Clearance - No exterior packaging or eartips - Comes with carry case and cable Sony Out of stock at every tracked store Lowest ever ₹43,199 on Thursday, 1st Oct, 2026 ★★★★★ 5.0 5.0 · 2 reviews Full prices & history

Measured tuning, side by side

Both curves are real community measurements (gold: PENON QUATTRO 4 DD IEM · ink: Sony IER-M7 In-Ear Headphones - Open Box - Clearance - No exterior packaging or eartips - Comes with carry case and cable). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

201001k10k122-9
PENON QUATTRO 4 DD IEM Sony IER-M7 In-Ear Headphones - Open Box - Clearance - No exterior packaging or eartips - Comes with carry case and cable
Tuning distance±1.25 dB RMS93% 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 nown/aLowest current price across all tracked stores.
Deepest discount ever seenPENON QUATTRO 4 DD IEMFrom each product's own recorded price history.

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