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FiiO - K11 R2R - Black vs XDUOO MT604 Headphone

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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FiiO - K11 R2R - Black FiiO - K11 R2R - Black FiiO Now ₹16,728 at Bloom Audio Lowest on record ₹14,999 on Saturday, 12th Sept, 2026 ★★★★★ 4.8 4.8 · 36 reviews Full prices & history
XDUOO MT604 Headphone Amplifier XDUOO MT604 Headphone Amplifier xDuoo Out of stock at every tracked store Lowest on record ₹11,989 on Thursday, 22nd Oct, 2026 Full prices & history

What is being compared

Both sides are DACs / headphone amplifiers. The rows below are the facts each store publishes for this shelf - converter chip, output power, inputs, balanced output and digital formats. A dash means the listing does not state that spec.

Spec FiiO xDuoo
Type — Amplifier

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.

FiiO - K11 R2R - Black Now ₹16,728 12% above its 30-day median Lowest on record ₹14,999 on Saturday, 12th Sept, 2026 In stock at 2 tracked stores
XDUOO MT604 Headphone Amplifier No tracked offer in stock In stock at 0 tracked stores
Price gap right now n/a Both sides need a tracked offer to compare.
Stores with it in stock 2 vs 0 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now FiiO - K11 R2R - Black Lowest current price across all tracked stores.
Deepest discount ever seen XDUOO MT604 Headphone Amplifier From each product's own recorded price history.

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

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