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GMR-540-A-ISO vs SB40

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.

GMR-540-A-ISO GMR-540-A-ISO Koss Now ₹4,531 at Koss Lowest ever ₹4,477 on Thursday, 24th Sept, 2026 ★★★★★ 5.0 5.0 · 1 reviews Full prices & history
SB40 SB40 Koss Now ₹4,531 at Koss Lowest ever ₹4,477 on Thursday, 24th Sept, 2026 ★★★★★ 5.0 5.0 · 2 reviews Full prices & history

The decision, factually

Cheaper right nowTiedLowest current price across all tracked stores.
Deepest discount ever seenGMR-540-A-ISOFrom each product's own recorded price history.

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