---
product_id: 683247387
title: "- Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA"
brand: "fosi audio"
price: "€ 190.95"
currency: EUR
in_stock: true
reviews_count: 10
category: "Fosi Audio"
url: https://www.desertcart.pt/products/683247387-fosi-audio-box-x5-phono-preamp-for-turntable-mini-preamplifier
store_origin: PT
region: Portugal
---

# Supports MM & MC cartridges Precision audiophile-grade components 4-level gain control (38/48/56/66 dB) - Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA

**Brand:** fosi audio
**Price:** € 190.95
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your vinyl vibes — because your records deserve the best spin!

## Quick Answers

- **What is this?** - Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA by fosi audio
- **How much does it cost?** € 190.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/683247387-fosi-audio-box-x5-phono-preamp-for-turntable-mini-preamplifier)

## Best For

- fosi audio enthusiasts

## Why This Product

- Trusted fosi audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Operation:** One-touch power, easy gain toggle, and grounding port ensure a hassle-free, premium listening session.
- • **Audiophile-Grade Build:** Crafted with precision film capacitors, high-precision resistors, and gold-plated RCA jacks for crystal-clear, warm sound.
- • **Tailored Sound Control:** 4 adjustable gain levels let you fine-tune your vinyl experience for every groove.
- • **Sleek Minimalist Design:** Compact aluminum alloy chassis fits effortlessly into any modern audio setup without clutter.
- • **Universal Cartridge Compatibility:** Seamlessly supports both MM and MC cartridges, making it the perfect match for any turntable setup.

## Overview

The Fosi Audio Box X5 is a compact, high-performance phono preamp designed for both MM and MC cartridges. Featuring 4-level adjustable gain (38-66 dB) and precision audiophile components, it delivers warm, detailed sound with accurate RIAA equalization. Its minimalist aluminum chassis and user-friendly controls make it an essential upgrade for any vinyl enthusiast seeking to unlock the full potential of their turntable setup.

## Description

Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA : desertcart.in: Electronics

Review: Just grab it - I bought this after a lot of research. It actually delivers what I found out through the research. If you need a phono preamp without a hole in your pocket just buy Fosi X5 and look no further. It instantly gives the required kick for your vinyl setup. Satisfying to the core.
Review: Good music - Very good quality and definitely value for money

## Features

- High Performance: The BOX X5 phono preamp is compatible with both MM and MC cartridges, featuring 4 gain settings and an excellent precise RIAA equalization to provide a clean, direct pass-through of a signal when paired with your turntable
- Audiophile-Grade Components: This preamp utilizes a variety of materials such as 2% Precision Polyester Film Capacitors, Green Sleeve Copper Lead Audio Capacitors, 0.1% High-Precision Film Resistors, OPA1612 Op-Amp, Gold-Plated RCA Jacks, and more. It picks up subtle and finite detail produced from it and delivers a truly warm and inviting sound
- Multiple Gain Settings: With 4-Level gain adjustment settings of 38/48/56/66dB, the preamplifier accommodates both MM & MC cartridge types, meeting a variety of needs. This enhances your phono stage and helps in rebuilding the vintage stereo sound
- Mini and Exquisite: It's built around a minimalist yet functional design featuring an all-aluminum alloy chassis. When paired with the V3 stereo amplifier, the BOX X5 can bring out the best in your vinyl playback, enhancing its frequency response and dynamic performance
- User Friendly Design: It has an easy-to-use one-touch power button, gain control, and a convenient toggle switch to switch between MC and MM cartridges. In addition, the grounding port ensures that the connection is secure

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DLVZF5Y7 |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | #133,552 in Electronics ( See Top 100 in Electronics ) #2 in Phono Preamplifiers |
| Brand | Fosi Audio |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (215) |
| Date First Available | 14 November 2024 |
| Importer | support@fosiaudio.com |
| Item Dimensions LxWxH | 10.4 x 16.5 x 3.6 Centimeters |
| Item Weight | 1 kg 100 g |
| Item model number | BOX X5 |
| Manufacturer | Fosi Audio |
| Model | BOX X5 |
| Mounting Hardware | 16V Power Adapter, Fosi Audio BOX X5 Phono Preamp, User Manual |
| Number of items | 1 |
| Packer | support@fosiaudio.com |
| Product Dimensions | 10.41 x 16.51 x 3.56 cm; 1.1 kg |

## Images

![- Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA - Image 1](https://m.media-amazon.com/images/I/61U8gA8sJOL.jpg)

## Questions & Answers

**Q: Is it mandatory to connect the turntable’s ground wire to the BOX X5’s ground terminal?**
A: Grounding is recommended to avoid rattling during use.

**Q: Can the BOX X5 be used as a regular preamp?**
A: The BOX X5 is a phono preamp with a higher amplification gain than a regular preamp, thus it is not suitable for use as a standard preamp.

**Q: How to power on and off to prevent any thumping sounds that could damage the equipment?**
A: Power On: Turn on the turntable, then the BOX X5, followed by the amplifier. Power Off: Turn off the amplifier, then the BOX X5, and finally the amplifier.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Just grab it
*by V***S on 15 January 2026*

I bought this after a lot of research. It actually delivers what I found out through the research. If you need a phono preamp without a hole in your pocket just buy Fosi X5 and look no further. It instantly gives the required kick for your vinyl setup. Satisfying to the core.

### ⭐⭐⭐⭐⭐ Good music
*by S***T on 16 December 2025*

Very good quality and definitely value for money

### ⭐⭐⭐⭐⭐ Good
*by A***A on 12 December 2025*

Good product

## Frequently Bought Together

- Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA
- Fosi Audio 2RCA to 2RCA Cable 0.9Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater Systems/Amplifier/Preamplifier/Active Speakers(0.3m/0.9Ft)
- Fosi Audio 2RCA to 2RCA Cable 3.9Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater Systems/Amplifier/Preamplifier/Active Speakers(1.2m/3.9Ft)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-17*