Fosi Audio Box X5 Phono Preamplifier

The Fosi Audio BOX X5 is a high-performance phono preamplifier designed for vinyl enthusiasts who seek precision and flexibility. Supporting both MM and MC cartridges, it ensures compatibility with a wide range of turntables while preserving the character of analog sound.

With four adjustable gain settings ranging from 38dB to 66dB, the BOX X5 allows precise matching to different cartridge types. Its accurate RIAA equalization ensures faithful signal reproduction with minimal coloration.

Built with audiophile-grade components including precision capacitors, resistors, and an OPA1612 op-amp, the preamp delivers low noise and detailed sound. Gold-plated RCA connectors and a grounding terminal further enhance signal integrity.

The compact aluminum chassis provides durability and effective shielding against interference. With simple controls and a one-touch switch for power and cartridge selection, the BOX X5 is easy to integrate into any HiFi setup.

Features
MM And MC Cartridge Compatibility
Four Gain Settings 38dB To 66dB
Precision Audiophile Components
Accurate RIAA Equalization
OPA1612 Op-Amp Design
Gold Plated RCA Connectors
One Touch Power And Cartridge Switch
Aluminum Alloy Chassis

Compatibility
MM And MC Turntables
Amplifiers And Receivers
Active Speakers
HiFi Audio Systems

Specifications
Input: MM MC RCA
Output: RCA
Frequency Response: 20Hz-20kHz (±0.015dB)
THD: ≤0.009%
SNR: ≥92dB
Power Supply: 16V/1A

Dimensions & Weight
Dimensions: 10.4 × 16.5 × 3.6 cm

In The Box
BOX X5 Phono Preamplifier
16V 1A Power Adapter
User’s Manual