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KZ - EDX Pro 2 Super vs Open Box Questyle NHB12

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
KZ - EDX Pro 2 Super Linear 10mm Dynamic Driver IEM - Black / 3.5mm - No Mic KZ - EDX Pro 2 Super Linear 10mm Dynamic Driver IEM - Black / 3.5mm - No Mic KZ Now ₹1,190 at Concept Kart At its lowest recorded price ★★★★☆ 4.2 4.2 · 18 reviews Full prices & history
Open Box Questyle NHB12 10.2mm Dynamic Driver IEMs (Ships Only to Japan) - Open Box Questyle NHB12 (Ships Only to Japan) Open Box Questyle NHB12 10.2mm Dynamic Driver IEMs (Ships Only to Japan) - Open Box Questyle NHB12 (Ships Only to Japan) Questyle Out of stock at every tracked store Lowest on record ₹11,355 on Friday, 16th 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 KZ Questyle
Driver configuration Dynamic (DD) Dynamic (DD)
Driver size 10–12mm 10–12mm
Connectivity Wired Wired
Microphone No mic —
Connector 2-pin 0.78mm —
Plug 3.5mm —

Measured tuning, side by side

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

+20+100-10-2020501002005001k2k5k10k20k12
KZ Questyle
+12+60-6-1211.810.9Sub-bass20-80 Hz6.66.9Bass80-200 Hz0.40.6Lower mids200-700 Hz3.11.2Upper mids700 Hz-2.5k8.06.6Treble2.5-6k Hz0.4-2.5Air6-20k 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 ±1.37 dB RMS 92% 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 +0.3 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 Questyle does.
Mids · 250–2,000 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 Questyle does.
Treble · 2,000–10,000 Hz KZ +1.2 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 Questyle 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.

KZ - EDX Pro 2 Super Linear 10mm Dynamic Driver IEM - Black / 3.5mm - No Mic Now ₹1,190 at its 30-day median Lowest on record ₹1,190 on Saturday, 12th Sept, 2026 In stock at 1 tracked store
Price gap right now n/a Both sides need a tracked offer to compare.
Stores with it in stock 1 vs 0 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now KZ - EDX Pro 2 Super Linear 10mm Dynamic Driver IEM - Black / 3.5mm - No Mic Lowest current price across all tracked stores.
Deepest discount ever seen KZ - EDX Pro 2 Super Linear 10mm Dynamic Driver IEM - Black / 3.5mm - No Mic From each product's own recorded price history.

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

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