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FiiO FA9 In-Ear Monitors (Apos Certified) - Black vs FiR Audio Frontier Series Neon 4

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.

FiiO FA9 In-Ear Monitors (Apos Certified) - Black FiiO FA9 In-Ear Monitors (Apos Certified) - Black FiiO Out of stock at every tracked store Lowest ever ₹35,857 on Thursday, 24th Sept, 2026 ★★★★★ 5.0 5.0 · 1 reviews Full prices & history
FiR Audio Frontier Series Neon 4 | Universal Hybrid IEMs FiR Audio Frontier Series Neon 4 unknown Now ₹2,21,785 at Bloom Audio Lowest ever ₹2,21,785 on Monday, 12th Oct, 2026 ★★★★★ 5.0 5.0 · 1 reviews Full prices & history

Measured tuning, side by side

Both curves are real community measurements (gold: FiiO FA9 In-Ear Monitors (Apos Certified) - Black · ink: FiR Audio Frontier Series Neon 4). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

201001k10k111-10
FiiO FA9 In-Ear Monitors (Apos Certified) - Black FiR Audio Frontier Series Neon 4
Tuning distance±1.89 dB RMS89% 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 nowFiR Audio Frontier Series Neon 4Lowest current price across all tracked stores.
Deepest discount ever seenFiiO FA9 In-Ear Monitors (Apos Certified) - BlackFrom each product's own recorded price history.

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