FOSI AUDIO MC331
Integrated amplifier
Code: 42721622
All our products are covered by Italian warranty.
The Fosi Audio MC331 is designed to provide a warm, enjoyable, and easy-to-manage listening experience, combining the nostalgic aesthetic of vacuum tubes with the convenience of modern controls in a compact format. Despite its small size, it integrates a DAC, a power amplifier, a preamplifier, and a headphone amplifier, allowing the user to switch seamlessly between audio sources. The included remote control makes it easy to adjust bass and treble without leaving the listening position.
The 5654W vacuum tubes impart a smooth, warm character to the sound, while the front VU meter adds a vintage visual touch, striking a successful balance between modernity and tradition. Versatility is a key strength of the MC331: it supports Bluetooth, USB, coaxial, optical, and RCA inputs, making it compatible with computers, smartphones, CD players, and turntables with built-in phono preamps, enabling a wide range of system configurations.
Although it occupies minimal space, the amplifier delivers up to 105 watts per channel into 4 ohms, effectively driving most bookshelf speakers. In addition to passive speaker outputs, it includes a pre-out for integrating a subwoofer or creating a 2.1 system, and a 3.5 mm headphone output that further expands its usability. The carefully engineered design and the internal Fosi DAC ensure a clean signal, with a signal-to-noise ratio of 100 dB and total harmonic distortion of ≤0.03%, impressive specifications for such an affordable device.
The MC331 represents a successful balance of vintage charm, modern functionality, and solid performance, offering a warm, immersive listening experience perfectly suited for home or desktop environments.
Technical Specifications:
- Maximum output power: 105 W × 2 @ 4 Ω
- Input modes: Bluetooth; RCA; USB; Coaxial (COA); Optical (OPT)
- Output modes: Passive speaker output; Pre-Out; 3.5 mm headphone output
- THD: ≤ 0.03%
- Signal-to-noise ratio (SNR): ≥ 100 dB
- Output impedance: 4–8 Ω
- Power supply: 24 V / 4.5 A
- Dimensions: 25.4 × 5.1 × 6.9 cm
- Weight: 1.33 kg