MOONDROP RAYS vs Fosi Audio IM4 Open‑Back
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.
Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home - IM4-Obsidian
fosi
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
Moondrop
fosi
Connectivity
Wired
Wired
Form factor
—
earbud
Connector
—
2-pin
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.
MOONDROP RAYS
at its 30-day median
Lowest on record ₹8,490 on Sunday, 11th Oct, 2026
In stock at 1 tracked store
Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home - IM4-Obsidian
1% below its 30-day median
Lowest on record ₹9,458 on Thursday, 22nd Oct, 2026
In stock at 1 tracked store
Price gap right now
Tied
Both sides need a tracked offer to compare.
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
Tied
Lowest current price across all tracked stores.
Deepest discount ever seen
MOONDROP RAYS
From each product's own recorded price history.
This page reports facts and expresses no opinion on which to purchase.
Keep going
EQ preset: Moondrop EQ preset: fosi All IEMs More comparisons