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Fosi Audio – IM4 Single vs TRN Whale Shark

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.

Not this pair? Swap either side:
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Open head-to-head
Fosi Audio – IM4 Single DD Open Back In-Ear Monitor Fosi Audio – IM4 Single DD Open Back In-Ear Monitor fosi Out of stock at every tracked store Lowest on record ₹11,412 on Friday, 25th Sept, 2026 ★★★☆☆ 3.0 3.0 · 1 reviews Full prices & history
TRN Whale Shark TRN Whale Shark TRN Now ₹10,684 at Linsoul At its lowest recorded price ★★★★★ 5.0 5.0 · 1 reviews 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 fosi TRN
Driver configuration Dynamic (DD) —
Driver setup DD —
Connectivity Wired Wired
Connector 2-pin 0.78mm 2-pin 0.78mm

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.

Fosi Audio – IM4 Single DD Open Back In-Ear Monitor No tracked offer in stock In stock at 0 tracked stores
TRN Whale Shark Now ₹10,684 15% below its 30-day median Lowest on record ₹10,684 on Sunday, 1st Nov, 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 0 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 TRN Whale Shark Lowest current price across all tracked stores.
Deepest discount ever seen TRN Whale Shark From each product's own recorded price history.

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

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