Fosi P4 Preamplifier vs SMSL AO10

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.

Not this pair? Swap either side:

vs

Open head-to-head

Fosi P4 Preamplifier fosi Now ₹9,529 at Fosi Audio Official Lowest on record ₹8,899 on Wednesday, 7th Oct, 2026 ★★★★★ 4.8 4.8 · 181 reviews Full prices & history

SMSL AO10 SMSL Now ₹9,515 at HiFiGo Lowest on record ₹8,673 on Tuesday, 6th 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 fosi SMSL

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.

Fosi P4 Preamplifier Now ₹9,529 7% above its 30-day median Lowest on record ₹8,899 on Wednesday, 7th Oct, 2026 In stock at 1 tracked store

SMSL AO10 Now ₹9,515 at its 30-day median Lowest on record ₹8,673 on Tuesday, 6th Oct, 2026 In stock at 2 tracked stores

Price gap right now ₹14 0% of the dearer one's price.

Stores with it in stock 1 vs 2 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now SMSL AO10 Lowest current price across all tracked stores - ₹9,515 vs ₹9,529.

Deepest discount ever seen SMSL AO10 From each product's own recorded price history.

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

Keep going

All DACs & Amps More comparisons