HarmonicDyne Black Hole vs KLH Ultimate One

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.

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Open head-to-head

HarmonicDyne Black Hole 50mm Dynamic Driver Over-ear Headphone harmonicdyne Now ₹9,434 at ShenzhenAudio Lowest on record ₹9,364 on Thursday, 22nd Oct, 2026 Full prices & history

KLH Ultimate One Headphones - Clearance / Open Box klh Out of stock at every tracked store Lowest on record ₹28,282 on Thursday, 22nd Oct, 2026 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 harmonicdyne klh

Driver configuration Dynamic (DD) —

Impedance — 32Ω

Connectivity Wired Wired

Form factor Over-ear —

Measured tuning, side by side

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

harmonicdyne klh

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 harmonicdyne +0.4 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means harmonicdyne plays louder there on the measured files; minus means klh does.

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

Treble · 2,000–10,000 Hz harmonicdyne −1.2 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means harmonicdyne plays louder there on the measured files; minus means klh 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.

HarmonicDyne Black Hole 50mm Dynamic Driver Over-ear Headphone Now ₹9,434 at its 30-day median Lowest on record ₹9,364 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

KLH Ultimate One Headphones - Clearance / Open Box No tracked offer in stock In stock at 0 tracked stores

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 HarmonicDyne Black Hole 50mm Dynamic Driver Over-ear Headphone Lowest current price across all tracked stores.

Deepest discount ever seen HarmonicDyne Black Hole 50mm Dynamic Driver Over-ear Headphone From each product's own recorded price history.

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

Keep going

EQ preset: harmonicdyne EQ preset: klh All Headphones More comparisons