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7HZ FIVE Dynamic Driver 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.

Not this pair? Swap either side:
vs
Open head-to-head
7HZ FIVE Dynamic Driver IEM HiFi Earphone Wired Earbuds - Plug 3.5mm-Send about 10 days 7HZ FIVE Dynamic Driver IEM HiFi Earphone Wired Earbuds - Plug 3.5mm-Send about 10 days 7Hz Now ₹14,900 at The HiFi Cat Lowest on record ₹14,800 on Wednesday, 21st Oct, 2026 Full prices & history
NF ACOUS - NM20 - Blue 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 7Hz nf
Driver configuration Dynamic (DD) —
Impedance 12Ω —
Sensitivity 105dB —
Connectivity Wired Wired
Connector 2-pin 0.78mm —
Plug 3.5mm —

Measured tuning, side by side

Both curves are real community measurements (gold: 7Hz · blue: nf). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

+20+100-10-2020501002005001k2k5k10k20k12
7Hz nf
+12+60-6-129.18.3Sub-bass20-80 Hz7.76.0Bass80-200 Hz0.60.5Lower mids200-700 Hz2.12.4Upper mids700 Hz-2.5k8.011.2Treble2.5-6k Hz-0.51.4Air6-20k Hz

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.

Download this comparison: PNGJPEGWebPSVGPDFCSV

Hear them side by side

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 ±2.13 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 7Hz +1.1 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means 7Hz plays louder there on the measured files; minus means nf does.
Mids · 250–2,000 Hz 7Hz −0.2 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means 7Hz plays louder there on the measured files; minus means nf does.
Treble · 2,000–10,000 Hz 7Hz −1.8 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means 7Hz 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.

7HZ FIVE Dynamic Driver IEM HiFi Earphone Wired Earbuds - Plug 3.5mm-Send about 10 days Now ₹14,900 at its 30-day median Lowest on record ₹14,800 on Wednesday, 21st 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 ₹7,401 50% 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 NF ACOUS - NM20 - Blue Lowest current price across all tracked stores - ₹7,499 vs ₹14,900.
Deepest discount ever seen NF ACOUS - NM20 - Blue From each product's own recorded price history.

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

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