HEDD Audio HEDDphone D1 vs STAX SR-009S Earspeakers

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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HEDD Audio HEDDphone D1 | Open-Back Dynamic Headphones - New

HEDD Audio HEDDphone D1 hedd Now ₹66,139 at headphones.com Lowest on record ₹699 on Thursday, 5th Nov, 2026 ★★★★★ 4.9 4.9 · 22 reviews Full prices & history

STAX SR-009S Earspeakers stax Now ₹4,30,048 at Apos Lowest on record ₹4,545 on Thursday, 5th Nov, 2026 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 hedd stax

Driver configuration Dynamic (DD) —

Impedance 32Ω —

Sensitivity — 101dB

Connectivity Wired Wired

Back design Open-back —

Measured tuning, side by side

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

hedd stax

Average level per band, relative to that curve's own 200 Hz–1 kHz middle - a taller bar plays louder there on the measured files. Same colours as the chart above.

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Hear them side by side

Signal A B

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Your earphones / headphones

Wearing your own earphones or headphones? Pick them here and the player pre-corrects for their sound, so the demo plays the target tuning itself - not both mixed together.

Same signal through both tunings at once - slide to blend. Start on pink noise for the clearest read.

Tuning distance ±2.00 dB RMS 88% 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 hedd +0.9 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means hedd plays louder there on the measured files; minus means stax does.

Mids · 250–2,000 Hz hedd −0.9 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means hedd plays louder there on the measured files; minus means stax does.

Treble · 2,000–10,000 Hz hedd −0.2 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means hedd 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.

HEDD Audio HEDDphone D1 Now ₹66,139 at its 30-day median Lowest on record ₹699 on Thursday, 5th Nov, 2026 In stock at 3 tracked stores

STAX SR-009S Earspeakers Now ₹4,30,048 at its 30-day median Lowest on record ₹4,545 on Thursday, 5th Nov, 2026 In stock at 1 tracked store

Price gap right now ₹3,63,909 85% of the dearer one's price.

Stores with it in stock 3 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 HEDD Audio HEDDphone D1 Lowest current price across all tracked stores - ₹66,139 vs ₹4,30,048.

Deepest discount ever seen HEDD Audio HEDDphone D1 From each product's own recorded price history.

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

Keep going

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