Fosi Audio tube amplifier MC331

The Fosi Audio MC331 combines superior sound quality with a modern design. This compact amplifier is a great choice for home Hi-Fi systems and wireless music playback. Its appearance with the elegant VU meter will make an impression in any interior.

-Maximum power: 2x 105 W @4 Ohm
-Inputs: Bluetooth, RCA, USB, coaxial, optical
-Outputs: Passive speakers, pre-out, 3.5mm headphone output
-Dimensions: 15.1 x 13.5 x 5.0 cm
-Power: 24V/4.5A


Universal DAC amplifier
The Fosi Audio MC331 combines several devices in one. The integrated DAC, amplifier, preamplifier and headphone amplifier offer excellent sound processing for all types of listening. The device is designed to accommodate both Bluetooth wireless connectivity and conventional wired inputs. The included remote control makes changing audio sources easy and intuitive.

Connection flexibility
This amplifier offers a wide range of inputs to ensure versatile use. Support for Bluetooth, USB, coaxial, optical and RCA inputs allows connection to computers, smartphones, CD players or turntables with built-in preamps. Almost unlimited compatibility makes this device the perfect addition to home audio systems.

Compact and powerful
Thanks to its small size, the Fosi Audio MC331 is also suitable for confined spaces such as work desks or smaller living rooms. Despite its small size, however, it offers up to 105 W of power per channel, easily handling the drive of bookshelf speakers. Plus, it includes a pre-out for interfacing with other audio equipment and a 3.5mm headphone output to provide maximum flexibility.


Output level 2x 105 W @ 4 ohms
Aluminium body material
Colour black
Dimensions (WxHxD) 26 x 7 x 18 cm
Accessories included BT antenna, 2 5654W tubes, tube caps, power adapter, remote control
Warranty period 24 months according to the Consumer Protection Act, 24 months also for purchases made on an ICO
Condition New
Bluetooth codecs AAC, SBC
Outputs Jack 3.5 mm, Speaker Out
Inputs Bluetooth, Coaxial, Optical, RCA Cinch, USB Type C