Fosi Audio Box X5 Phono PreampMM & MC Cartridge Support

Compatible with both MM and MC cartridges, it offers four selectable gain levels and precise RIAA equalization for accurate vinyl playback.

Embrace the Vintage Charm of Vinyl with Modern Precision

Compatible with MM and MC cartridges, the BOX X5 works with most turntables and features four adjustable gain settings: 38, 48, 56, and 66 dB. It uses high-precision capacitors and resistors to maintain low noise and preserve audio purity. Intuitive RCA terminals offer a straightforward plug-and-play setup for seamless integration.

Accurate RIAA Equalization

Delivers clear, detailed sound in every note, creating a rich and immersive listening experience.

Audiophile-Grade Components

Premium, hand-selected components are chosen specifically to deliver exceptional sound quality with precision and depth.

Swappable Op-Amps

Swap in DIP8 dual discrete op-amps to tailor the sound to your preferences and achieve a personalized audio experience.

Connection and Usage Diagram

Plug-and-play convenience, ensuring optimal performance for easy setup.

High Performance
The BOX X5 phono preamp supports both MM and MC cartridges, offering four selectable gain settings and accurate RIAA equalization. It delivers a clean, direct signal path when connected to your turntable, preserving the integrity of your vinyl playback.

Audiophile-Grade Components
Built with premium materials including 2% precision polyester film capacitors, green sleeve copper lead audio capacitors, 0.1% high-precision film resistors, an OPA1612 op-amp, and gold-plated RCA jacks. These components work together to reveal subtle audio details and produce a warm, rich sound.

Multiple Gain Settings
Four gain options—38, 48, 56, and 66 dB—make this preamp adaptable to both MM and MC cartridges, accommodating a range of system needs. It enhances the phono stage to help recreate the depth and warmth of vintage stereo sound.

Mini and Exquisite
Compact and thoughtfully designed, the BOX X5 features a sleek all-aluminum alloy chassis. When paired with the V3 stereo amplifier, it brings out improved frequency response and dynamic range in your vinyl setup.

User Friendly Design
Includes an intuitive one-touch power button, easy-access gain control, and a toggle switch to select between MM and MC modes. A grounding terminal ensures a secure and noise-free connection to your turntable system.

Specifications

• Input Mode: MM+MC RCA
• Output Mode: RCA
• THD: ≤0.009%

• SNR: ≥ 92dB
• Device Dimension: 4.1 x 6.5 x 1.4 inches
• Power Supply: 16V/1A