Best selling Phono preamps from Fosi Audio

On this page you’ll find a ranking of the best Phono preamps from Fosi Audio. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.

1. Fosi Audio BOX-X2

The Fosi Audio Phono Preamp Box X2 eliminates low-frequency noise and ensures clear sound quality by converting phono signals into line-level signals using high-quality components and low-noise integrated circuits. Thanks to the built-in grounding connection, your turntable is reliably protected. High compatibility and customizable control are provided through adjustable gain levels. You can switch between 3 modes: 39, 42, or 45 dB. Only high-quality components were used in the construction and assembly of this phono preamp, allowing you to enjoy a very warm and smooth sound. The compatible vacuum tube models include 6K4, 6J1, 6J4, GE5654, 6AK5, 66, and more. To make changes yourself, simply swap out the vacuum tubes, keeping in mind that different tubes produce distinct sounds.

Phono preamps

CHF62.90

Fosi Audio BOX-X2

2. Fosi Audio Box-X5

The Fosi Audio Box X5 phono preamplifier is compatible with both MM and MC cartridges. It features 4 gain settings and excellent precision RIAA equalisation to ensure clean, direct signal pass-through when paired with your turntable. The high quality components built into this preamplifier provide a warm and inviting sound. The Box X5 Preamplifier is based on a minimalist yet functional design with an all-aluminium alloy housing. It features an easy-to-use one-touch power switch, a gain control and a convenient toggle switch for switching between MC and MM cartridges. In addition, the earth connection ensures a safe and interference-free connection.

Phono preamps

CHF129.–

Fosi Audio Box-X5

3. Fosi Audio Box X1

The Fosi Audio Box X1 is an ultra-low-noise phono preamplifier that seamlessly converts phono signals into line-level signals. The device features a grounding connection for optimal turntable protection. Equipped with a high-quality DC12V power supply, this MM phono preamplifier offers reliable and stable performance, delivering a maximum output voltage of 2V (P-P) and a signal-to-noise ratio of 70 dB. The phono preamplifier provides an MM turntable input as well as a simultaneously usable RCA line output and a 3.5mm headphone output. Designed for vinyl record enthusiasts, it ensures excellent sound quality with its built-in low-noise phono preamplifier circuit that precisely meets the RIAA standard. The components are also housed in a robust, black anodized steel casing for reliable and durable audio transmission.