Moondrop COSMO Flagship vs STAX SR-X1 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.

Not this pair? Swap either side:

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Open head-to-head

Moondrop COSMO Flagship 100mm Nanoscale Ultra-Thin Planar Driver Headphone Moondrop Now ₹80,610 at HiFiGo At its lowest recorded price Full prices & history

STAX SR-X1 Earspeakers stax Now ₹50,788 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 Moondrop stax

Driver configuration Planar magnetic —

Impedance 15Ω —

Sensitivity 100dB 101dB

Connectivity Wired Wired

Plug 3.5mm/4.4mm —

Measured tuning, side by side

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

Moondrop stax

Tuning distance ±2.17 dB RMS 87% 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 Moondrop −1.3 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means Moondrop plays louder there on the measured files; minus means stax does.

Mids · 250–2,000 Hz Moondrop −1.1 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means Moondrop plays louder there on the measured files; minus means stax does.

Treble · 2,000–10,000 Hz Moondrop −0.5 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means Moondrop 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.

Moondrop COSMO Flagship 100mm Nanoscale Ultra-Thin Planar Driver Headphone Now ₹80,610 15% below its 30-day median Lowest on record ₹80,610 on Tuesday, 3rd Nov, 2026 In stock at 1 tracked store

STAX SR-X1 Earspeakers Now ₹50,788 at its 30-day median Lowest on record ₹50,788 on Tuesday, 3rd Nov, 2026 In stock at 1 tracked store

Price gap right now ₹29,822 37% 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 STAX SR-X1 Earspeakers Lowest current price across all tracked stores - ₹50,788 vs ₹80,610.

Deepest discount ever seen STAX SR-X1 Earspeakers From each product's own recorded price history.

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

Keep going

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