Fosi Audio
The Fosi Audio V3 is a compact Class‑D stereo integrated amplifier built around the TI TPA3255 chip, capable of delivering up to 300 W per channel into 4 Ω when powered by a 48 V supply. It features audiophile‑grade components, a precise logarithmic volume pot, replaceable op‑amps, and a fixed‑gain 3.5 mm pre‑out, making it a high‑performance yet budget‑friendly option for small‑room Hi‑Fi setups.
Pros
Current
$89.99
Average
$86.59
Lowest
$71.99
Highest
$129.99
Lower = better sales rank
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Orb Audio
Fosi Audio
Fosi Audio
Fosi Audio
Fosi Audio
Marley
Fosi Audio
WiiM
AIYIMA
Fosi Audio
Fosi Audio
Fosi Audio
Fosi Audio
AIYIMA
Fosi Audio
Pyle
EYTSE
AIYIMA
VICTRESS
Fosi Audio
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers commend the V3 for its stellar objective performance—ultra‑low distortion, high SNR, and impressive SINAD—while noting that the included power supply throttles its true potential. The customizable op‑amp design and precise volume pot earn extra marks, but the fixed‑gain pre‑out and load‑dependent frequency response are seen as drawbacks that limit flexibility in more demanding setups.
What Users Say
Consumers generally love the V3’s powerful output, clean sound, and affordable price, often describing it as a “punchy” and “transparent” amplifier for small‑room listening. The most common complaints revolve around the need for a higher‑voltage power supply to achieve advertised power levels and occasional high‑frequency coloration with certain speaker loads.
Common Complaints
The primary recurring issue is the stock 32 V power supply limiting output power, prompting many to buy a separate 48 V unit. A secondary complaint is the pre‑out’s fixed full‑volume level, which reduces its usefulness as a standalone pre‑amp.
What People Are Saying
“Praises affordability and specs but criticizes unclear power claims—stock PSU yields only 160W, not 300W x2; needs 48V for full power.”
How It Compares
vs. Fosi ZA3 (Integrated)
Advantages
Disadvantages
Choose the ZA3 if you need full power out of the box without a separate PSU; choose the V3 for superior soundstage and finer volume control.
vs. Aiyima A07 (TPA3255)
Advantages
Disadvantages
The A07 is a solid alternative for those who prioritize raw power and simplicity; the V3 is better for users who value precise volume control and a more refined, spacious sound.
