HarmonicDyne Poseidon vs Sennheiser - HDB 630
Every tracked fact about the two, side by side - prices, history lows, ratings. No verdict: which one to buy is the visitor's decision, always.
HarmonicDyne Poseidon Custom 50mm Dynamic Driver Over-ear Headphone
harmonicdyne
At its lowest recorded price
Full prices & history
Sennheiser - HDB 630 - Black
Sennheiser
Lowest on record ₹40,867 on Sunday, 1st Nov, 2026
★★★★☆ 3.5 3.5 · 28 reviews
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
Sennheiser
Driver configuration
Dynamic (DD)
—
Connectivity
Wired
Wired
Form factor
Over-ear
—
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 Poseidon Custom 50mm Dynamic Driver Over-ear Headphone
15% below its 30-day median
Lowest on record ₹35,468 on Sunday, 1st Nov, 2026
In stock at 1 tracked store
Sennheiser - HDB 630 - Black
at its 30-day median
Lowest on record ₹40,867 on Sunday, 1st Nov, 2026
In stock at 3 tracked stores
Price gap right now
₹6,022
15% of the dearer one's price.
Stores with it in stock
1 vs 3
Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.
The decision, factually
Cheaper right now
HarmonicDyne Poseidon Custom 50mm Dynamic Driver Over-ear Headphone
Lowest current price across all tracked stores - ₹35,468 vs ₹41,490.
Deepest discount ever seen
HarmonicDyne Poseidon Custom 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.
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EQ preset: harmonicdyne EQ preset: Sennheiser All Headphones More comparisons