EarAcoustic Audio SPA-Hi vs TRN MEDUSA 12mm Dynamic

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.

EarAcoustic Audio SPA-Hi End Series 11.4mm Dynamic Driver IEMs tfz Now ₹14,226 at HiFiGo Lowest on record ₹14,179 on Thursday, 22nd Oct, 2026 Full prices & history

TRN MEDUSA 12mm Dynamic Driver In-Ear Headphone - With Mic TRN Now ₹4,744 at ShenzhenAudio Lowest on record ₹4,729 on Thursday, 22nd Oct, 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 tfz TRN

Driver configuration Dynamic (DD) Dynamic (DD)

Driver size 10–12mm 12mm & up

Connectivity Wired Wired

Microphone — With mic

Plug — 2.5mm balanced

Measured tuning, side by side

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

tfz TRN

Tuning distance ±1.19 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 tfz +1.0 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means tfz plays louder there on the measured files; minus means TRN does.

Mids · 250–2,000 Hz tfz −0.4 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means tfz plays louder there on the measured files; minus means TRN does.

Treble · 2,000–10,000 Hz tfz −0.8 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means tfz plays louder there on the measured files; minus means TRN 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.

EarAcoustic Audio SPA-Hi End Series 11.4mm Dynamic Driver IEMs Now ₹14,226 1% below its 30-day median Lowest on record ₹14,179 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

TRN MEDUSA 12mm Dynamic Driver In-Ear Headphone - With Mic Now ₹4,744 1% below its 30-day median Lowest on record ₹4,729 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

Price gap right now ₹9,481 67% 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 TRN MEDUSA 12mm Dynamic Driver In-Ear Headphone - With Mic Lowest current price across all tracked stores - ₹4,744 vs ₹14,226.

Deepest discount ever seen TRN MEDUSA 12mm Dynamic Driver In-Ear Headphone - With Mic From each product's own recorded price history.

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

Keep going

EQ preset: tfz EQ preset: TRN All IEMs More comparisons