Rediscover Analog Warmth with the Fosi Audio Box X5 Phono Preamp
Bring your vinyl collection to life with the Fosi Audio Box X5 Phono Preamp, a high-performance preamplifier designed to deliver rich, detailed sound from your turntable. Whether you're a dedicated audiophile or rediscovering the magic of vinyl, the Box X5 combines advanced audio engineering with user-friendly features to enhance your listening experience.
Equipped with support for both Moving Magnet (MM) and Moving Coil (MC) cartridges, the Box X5 offers broad compatibility with a wide range of turntables. Its four adjustable gain levels (38 dB, 48 dB, 56 dB, and 66 dB) allow precise signal amplification, ensuring the perfect balance for different cartridge types and audio systems.
The preamp's RIAA equalization circuit delivers accurate frequency response, faithfully reproducing every nuance of your vinyl records. Built with premium components, including low-noise resistors and high-quality capacitors, the Box X5 minimizes distortion and background noise, offering a clean, dynamic sound.
Its compact aluminum chassis not only provides excellent shielding against interference but also adds a sleek, modern aesthetic to your setup. The simple plug-and-play RCA connections make installation effortless, while the external power supply ensures consistent, stable performance.
Whether you're spinning classics or exploring new releases, the Fosi Audio Box X5 Phono Preamp delivers the warmth and authenticity of vinyl with clarity and precision—perfect for upgrading any home audio system.
Key Features
- Dual Cartridge Compatibility: Supports both Moving Magnet (MM) and Moving Coil (MC) cartridges for versatile use with various turntables.
- Adjustable Gain Levels: Four selectable gain options (38 dB, 48 dB, 56 dB, and 66 dB) to optimize sound output for different cartridge types.
- Accurate RIAA Equalization: Delivers precise frequency response, preserving the original sound quality of vinyl records.
- Low Noise Design: Built with high-quality capacitors and low-noise resistors to minimize distortion and background noise.
- Aluminum Housing: Durable, compact design that provides effective shielding from interference.
- Plug-and-Play Installation: Easy RCA input and output connections for quick setup.
- External Power Supply: Ensures stable performance with consistent power delivery.
Specifications

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