Cayin RU7 Portable USB vs SMSL R100 R2R Digital

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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Cayin RU7 Portable USB DAC & Headphone Amp Dongle Cayin Out of stock at every tracked store Lowest on record ₹27,484 on Friday, 16th Oct, 2026 Full prices & history

SMSL R100 R2R Digital to Analog Convertor (DAC) SMSL Now ₹22,841 at ShenzhenAudio Lowest on record ₹243 on Thursday, 5th Nov, 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 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 No tracked offer in stock In stock at 0 tracked stores

SMSL R100 R2R Digital to Analog Convertor (DAC) Now ₹22,841 17% below its 30-day median Lowest on record ₹243 on Thursday, 5th Nov, 2026 In stock at 1 tracked store

Price gap right now n/a Both sides need a tracked offer to compare.

Stores with it in stock 0 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 Digital to Analog Convertor (DAC) Lowest current price across all tracked stores.

Deepest discount ever seen SMSL R100 R2R Digital to Analog Convertor (DAC) From each product's own recorded price history.

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

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