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Quantity
1
Description
Purity Sound: Featuring PFFB technology and dual independent power supply, this stereo amplifier delivers ultra-low distortion (≤0.003%) and high SNR (≥112dB). It can reduce noise interference, resulting in a clean, detailed audio performan...
Reviews
4.6
65 ratings
5
4
3
2
1
Max review
Enjoying the unit overall. Was easy to install and operate. Am concerned about the temperature of the unit. When running gets to 105-9 degrees.
Will this impact the unit and shorten its life? Does give me plenty of power and works well with speakers but even with the fan am concerned about the heat.
T
Thomas · August 31, 2026
Happy customer
For such a relatively small amp it punches well above its wait, easily driving my large old Realistic Mach 2 amps and the sound is crystal clear. Very happy. The order and delivery was fast and easy. I definitely highly recommend Fosi.
C
Customer · August 21, 2026
Excellent Amp!
Deliciously clear sound and it's powerful. The Bluetooth and other inputs work flawlessly. I have one in the bedroom (including a subwoofer) and one at my desk. The only advice I can offer for future Fosi amps is to make them run cooler and to quiet the fan down some. (For perspective on the fan, I can hear it only when the amp is on but I'm not playing audio.)