Fosi Audio V3: Compact and affordable amplifier

The Fosi Audio V3 is a compact, powerful amplifier that remains very affordable. Despite its simplicity, the V3 uses high-quality audiophile components such
Covering all your hi-fi needs

RCA and AUX Input: The compact amplifier for home theater speaker systems will drive the signal from your music player via RCA or AUX input and increase both its volume and detail. There's a selector for you to switch the mode you want.

Fosi Audio P2 Headphone Amplifier Vacuum Tube Headphone Amp Mini Hi-Fi Stereo Audio with Low Ground Noise Output Protection

Fosi-Audio V3 will power ANYTHING ( feat BT20a also)

Well, damn an $80 amp that slays

Fosi Audio V3 300W x2 2 Channel Hi-Fi Stereo Audio Amplifier

Fosi Audio M04 Stereo Subwoofer Amplifier Mono Channel Home Theater Power Amp

Fosi Audio V3 amplifier. A diminutive delight. : r/BudgetAudiophile

The New Fosi Audio V3 2-channel 300w X2 Stereo Power Amplifier Is Designed and Pre Ordered for High Fidelity Audio Enthusiasts - AliExpress

Fosi V3 - High Power, Cigarette Box Audiophile Amplifier, I Cannot Believe It for less than 100€ : r/BudgetAudiophile

Fosi Audio TB10D review: positively deceptive - Soundphile Review