SMSL PA400 vs xDuoo TA 20 Plus

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

SMSL PA400 SMSL Now ₹37,681 at Linsoul Lowest on record ₹396 on Wednesday, 4th Nov, 2026 ★★★★★ 5.0 5.0 · 2 reviews Full prices & history

xDuoo TA 20 Plus Balanced Tube Headphone Amplifier xDuoo Now ₹39,806 at HiFiGo Lowest on record ₹424 on Wednesday, 4th Nov, 2026 ★★★★★ 4.6 4.6 · 13 reviews 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 SMSL xDuoo

Balanced output — Balanced output

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.

SMSL PA400 Now ₹37,681 17% below its 30-day median Lowest on record ₹396 on Wednesday, 4th Nov, 2026 In stock at 4 tracked stores

xDuoo TA 20 Plus Balanced Tube Headphone Amplifier Now ₹39,806 13% below its 30-day median Lowest on record ₹424 on Wednesday, 4th Nov, 2026 In stock at 3 tracked stores

Price gap right now ₹2,125 5% of the dearer one's price.

Stores with it in stock 4 vs 3 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now SMSL PA400 Lowest current price across all tracked stores - ₹37,681 vs ₹39,806.

Deepest discount ever seen SMSL PA400 From each product's own recorded price history.

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

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