HarmonicDyne Black Hole vs Grado: SR60X Prestige

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 ₹9,425 at ShenzhenAudio Lowest on record ₹9,364 on Thursday, 22nd Oct, 2026 Full prices & history

Grado: SR60X Prestige Series Headphones Grado Out of stock at every tracked store 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 Grado

Driver configuration Dynamic (DD) —

Connectivity Wired —

Form factor Over-ear —

Measured tuning, side by side

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

harmonicdyne Grado

Tuning distance ±5.31 dB RMS 68% match - 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 +6.4 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 Grado does.

Mids · 250–2,000 Hz harmonicdyne −1.6 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 Grado does.

Treble · 2,000–10,000 Hz harmonicdyne −2.5 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 Grado 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 ₹9,425 at its 30-day median Lowest on record ₹9,364 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

Grado: SR60X Prestige Series Headphones 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: Grado All Headphones More comparisons