Cayin RU7 Portable USB vs SMSL R100 R2R

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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Open head-to-head

Cayin RU7 Portable USB DAC & Headphone Amp Dongle Cayin Now ₹27,507 at HiFiGo Lowest on record ₹27,484 on Friday, 16th Oct, 2026 Full prices & history

SMSL R100 R2R High-Resolution Audio DAC - R100 Silver SMSL Now ₹23,074 at HiFiGo At its lowest recorded price 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 Cayin SMSL

Form factor Dongle —

Type DAC & amp combo DAC

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.

Cayin RU7 Portable USB DAC & Headphone Amp Dongle Now ₹27,507 Lowest on record ₹27,484 on Friday, 16th Oct, 2026 In stock at 1 tracked store

SMSL R100 R2R High-Resolution Audio DAC - R100 Silver Now ₹23,074 16% below its 30-day median Lowest on record ₹23,074 on Sunday, 1st Nov, 2026 In stock at 1 tracked store

Price gap right now ₹4,433 16% of the dearer one's price.

Stores with it in stock 1 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 SMSL R100 R2R High-Resolution Audio DAC - R100 Silver Lowest current price across all tracked stores - ₹23,074 vs ₹27,507.

Deepest discount ever seen SMSL R100 R2R High-Resolution Audio DAC - R100 Silver From each product's own recorded price history.

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

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