Fosi Audio PH04 4 vs HD M9 Decoder
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.
Fosi Audio PH04 4 Channel Headphone Amplifier
fosi
At its lowest recorded price
★★★★★ 5.0 5.0 · 4 reviews
Full prices & history
HD M9 Decoder
hd
Out of stock at every tracked store
Lowest on record ₹2,649 on Thursday, 22nd 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
hd
Type
Amplifier
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.
Fosi Audio PH04 4 Channel Headphone Amplifier
1% below its 30-day median
Lowest on record ₹2,648 on Thursday, 22nd Oct, 2026
In stock at 1 tracked store
HD M9 Decoder
In stock at 0 tracked stores
Price gap right now
n/a
Both sides need a tracked offer to compare.
Stores with it in stock
1 vs 0
Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.
The decision, factually
Cheaper right now
Fosi Audio PH04 4 Channel Headphone Amplifier
Lowest current price across all tracked stores.
Deepest discount ever seen
Fosi Audio PH04 4 Channel Headphone Amplifier
From each product's own recorded price history.
This page reports facts and expresses no opinion on which to purchase.