HIFIMAN DEVA Pro Planar vs STAX SR-X9000

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.

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Open head-to-head

HIFIMAN DEVA Pro Planar Bluetooth Headphones HiFiMan Now ₹18,915 at Apos Lowest on record ₹18,823 on Thursday, 22nd Oct, 2026 Full prices & history

STAX SR-X9000 Earspeakers stax Now ₹5,89,310 at Apos At its lowest recorded price Full prices & history

What is being compared

Both sides are headphones. The rows below are the facts each store publishes for this shelf - driver setup, impedance, sensitivity, back design and connectivity. A dash means the listing does not state that spec.

Spec HiFiMan stax

Driver configuration Planar magnetic —

Impedance 18Ω —

Sensitivity 93.5dB 100dB

Connectivity Wireless Wired

Measured tuning, side by side

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

HiFiMan stax

Tuning distance ±1.90 dB RMS 89% 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 HiFiMan +0.8 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means HiFiMan plays louder there on the measured files; minus means stax does.

Mids · 250–2,000 Hz HiFiMan −1.0 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means HiFiMan plays louder there on the measured files; minus means stax does.

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

HIFIMAN DEVA Pro Planar Bluetooth Headphones Now ₹18,915 at its 30-day median Lowest on record ₹18,823 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

STAX SR-X9000 Earspeakers Now ₹5,89,310 at its 30-day median Lowest on record ₹5,89,310 on Sunday, 1st Nov, 2026 In stock at 1 tracked store

Price gap right now ₹5,70,395 97% 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 HIFIMAN DEVA Pro Planar Bluetooth Headphones Lowest current price across all tracked stores - ₹18,915 vs ₹5,89,310.

Deepest discount ever seen HIFIMAN DEVA Pro Planar Bluetooth Headphones From each product's own recorded price history.

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

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EQ preset: HiFiMan EQ preset: stax All Headphones More comparisons