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BINARY – EP321 MEMS 2DD vs Campfire Audio Axion II

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.

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BINARY – EP321 MEMS 2DD + 3BA + 1 MEMS Tribrid Drivers In Ear Monitor - 4.4mm BINARY – EP321 MEMS 2DD + 3BA + 1 MEMS Tribrid Drivers In Ear Monitor - 4.4mm binary Now ₹29,035 at HiFiGo Lowest on record ₹28,849 on Thursday, 22nd Oct, 2026 ★★★★☆ 4.0 4.0 · 2 reviews Full prices & history
Campfire Audio Axion II Dynamic Driver IEM Earphone with USB-C Plug Silver-Plated Copper Cable Made In USA - USB-C / Type-C / Yes Campfire Audio Axion II Dynamic Driver IEM Earphone with USB-C Plug Silver-Plated Copper Cable Made In USA - USB-C / Type-C / Yes Campfire Audio Now ₹29,159 at MTMT Audio Lowest on record ₹28,972 on Thursday, 22nd Oct, 2026 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 binary Campfire Audio
Driver configuration Tribrid Dynamic (DD)
Driver setup 2 DD + 3 BA + MEMS —
Impedance — 15.3Ω
Connectivity Wired Wired
Plug 4.4mm balanced USB-C / Type-C

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.

BINARY – EP321 MEMS 2DD + 3BA + 1 MEMS Tribrid Drivers In Ear Monitor - 4.4mm Now ₹29,035 at its 30-day median Lowest on record ₹28,849 on Thursday, 22nd Oct, 2026 In stock at 2 tracked stores
Campfire Audio Axion II Dynamic Driver IEM Earphone with USB-C Plug Silver-Plated Copper Cable Made In USA - USB-C / Type-C / Yes Now ₹29,159 at its 30-day median Lowest on record ₹28,972 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store
Price gap right now ₹124 0% of the dearer one's price.
Stores with it in stock 2 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 BINARY – EP321 MEMS 2DD + 3BA + 1 MEMS Tribrid Drivers In Ear Monitor - 4.4mm Lowest current price across all tracked stores - ₹29,035 vs ₹29,159.
Deepest discount ever seen BINARY – EP321 MEMS 2DD + 3BA + 1 MEMS Tribrid Drivers In Ear Monitor - 4.4mm From each product's own recorded price history.

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

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