ZST X - With Mic / CYAN vs NF ACOUS - NM20 - Blue

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.

ZST X - With Mic / CYAN KZ Now ₹1,540 at Linsoul Lowest on record ₹1,349 on Wednesday, 7th Oct, 2026 Full prices & history

NF ACOUS - NM20 - Blue nf Now ₹7,499 at Headphone Zone At its lowest recorded price 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 KZ nf

Connectivity Wired Wired

Microphone With mic —

Plug 3.5mm —

Measured tuning, side by side

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

KZ nf

Tuning distance ±1.82 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 KZ +0.8 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means KZ plays louder there on the measured files; minus means nf does.

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

Treble · 2,000–10,000 Hz KZ +0.2 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means KZ plays louder there on the measured files; minus means nf 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.

ZST X - With Mic / CYAN Now ₹1,540 at its 30-day median Lowest on record ₹1,349 on Wednesday, 7th Oct, 2026 In stock at 1 tracked store

NF ACOUS - NM20 - Blue Now ₹7,499 at its 30-day median Lowest on record ₹7,499 on Saturday, 12th Sept, 2026 In stock at 1 tracked store

Price gap right now ₹5,959 79% 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 ZST X - With Mic / CYAN Lowest current price across all tracked stores - ₹1,540 vs ₹7,499.

Deepest discount ever seen ZST X - With Mic / CYAN From each product's own recorded price history.

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

Keep going

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