Koss - UR40 vs Sony - WH-CH520 Wireless Headphone - Blue

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.

Koss - UR40 Koss Now ₹4,199 at Headphone Zone Lowest ever ₹4,199 on Sunday, 11th Oct, 2026 ★★★☆☆ 3.3 3.3 · 3 reviews Full prices & history

Sony - WH-CH520 Wireless Headphone - Blue Sony Out of stock at every tracked store Lowest ever ₹3,771 on Friday, 25th Sept, 2026 Full prices & history

The decision, factually

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