FiiO - BTR13 - Black vs Fosi Audio Q4 Desktop
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.
FiiO - BTR13 - Black
FiiO
At its lowest recorded price
★★★★☆ 4.1 4.1 · 13 reviews
Full prices & history
Fosi Audio Q4 Desktop DAC Headphone Amplifier
fosi
At its lowest recorded price
★★★★★ 5.0 5.0 · 26 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
FiiO
fosi
Form factor
—
Desktop
Type
—
DAC & amp combo
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 - BTR13 - Black
3% below its 30-day median
Lowest on record ₹6,499 on Sunday, 11th Oct, 2026
In stock at 2 tracked stores
Fosi Audio Q4 Desktop DAC Headphone Amplifier
1% below its 30-day median
Lowest on record ₹6,620 on Thursday, 22nd Oct, 2026
In stock at 1 tracked store
Price gap right now
₹121
2% of the dearer one's price.
Stores with it in stock
2 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
FiiO - BTR13 - Black
Lowest current price across all tracked stores - ₹6,499 vs ₹6,620.
Deepest discount ever seen
FiiO - BTR13 - Black
From each product's own recorded price history.
This page reports facts and expresses no opinion on which to purchase.