FiiO FD15 Dynamic Driver vs Sony - WF-LS900N

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.

Not this pair? Swap either side:

vs

Open head-to-head

FiiO FD15 Dynamic Driver In-Ear Monitors (IEMs) FiiO Now ₹15,687 at Apos Lowest on record ₹15,682 on Sunday, 1st Nov, 2026 Full prices & history

Sony - WF-LS900N LinkBuds S True Wireless Earbuds - Black Sony Now ₹15,990 at Concept Kart Lowest on record ₹11,990 on Friday, 25th Sept, 2026 Full prices & history

What is being compared

Both sides are in-ear monitors. The rows below are the facts each store publishes for this shelf - driver arrangement, impedance, sensitivity, plug and connectivity. A dash means the listing does not state that spec.

Spec FiiO Sony

Driver configuration Dynamic (DD) —

Impedance 32Ω —

Sensitivity 112dB —

Connectivity Wired True Wireless (TWS)

Form factor — Earbud (flat-head)

Connector MMCX —

Plug 3.5mm/4.4mm —

Measured tuning, side by side

Both curves are real community measurements (gold: FiiO · ink: Sony). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

FiiO Sony

Tuning distance ±1.11 dB RMS 93% 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.

Bass · 20–250 Hz FiiO +0.4 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means FiiO plays louder there on the measured files; minus means Sony does.

Mids · 250–2,000 Hz FiiO −0.1 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means FiiO plays louder there on the measured files; minus means Sony does.

Treble · 2,000–10,000 Hz FiiO −0.7 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means FiiO plays louder there on the measured files; minus means Sony does.

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.

Price over the last 30 days

Daily lowest price across every tracked store, from the site's own price history. The line is one product's own range - the two cards are not drawn to a shared scale.

FiiO FD15 Dynamic Driver In-Ear Monitors (IEMs) Now ₹15,687 at its 30-day median Lowest on record ₹15,682 on Sunday, 1st Nov, 2026 In stock at 1 tracked store

Sony - WF-LS900N LinkBuds S True Wireless Earbuds - Black Now ₹15,990 at its 30-day median Lowest on record ₹11,990 on Friday, 25th Sept, 2026 In stock at 1 tracked store

Price gap right now ₹303 2% of the dearer one's price.

Stores with it in stock 1 vs 1 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now FiiO FD15 Dynamic Driver In-Ear Monitors (IEMs) Lowest current price across all tracked stores - ₹15,687 vs ₹15,990.

Deepest discount ever seen Sony - WF-LS900N LinkBuds S True Wireless Earbuds - Black From each product's own recorded price history.

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

Keep going

EQ preset: FiiO EQ preset: Sony All IEMs More comparisons