---
product_id: 483417882
title: "Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply"
brand: "fosi audio"
price: "€ 116.52"
currency: EUR
in_stock: true
reviews_count: 7
category: "Fosi Audio"
url: https://www.desertcart.de/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio
store_origin: DE
region: Germany
---

# DC 12V power supply 3.5mm headphone output 2V max output voltage Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply

**Brand:** fosi audio
**Price:** € 116.52
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your vinyl game with flawless sound clarity!

## Quick Answers

- **What is this?** Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply by fosi audio
- **How much does it cost?** € 116.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio)

## 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

- • **Trusted Performance:** Join thousands of audiophiles enjoying a 4.4-star rated, top 5 home audio preamp.
- • **Compact & Rugged Design:** Sleek black anodized steel housing fits any setup while ensuring durability.
- • **Dual Output Flexibility:** Seamlessly connect to powered speakers or headphones simultaneously for versatile listening.
- • **Plug-and-Play Convenience:** Includes high-quality 12V power adapter and grounding post for easy, safe installation.
- • **Ultra-Clean Vinyl Amplification:** Experience pristine sound with ultra-low noise and precise RIAA standard conformity.

## Overview

The Fosi Audio Box X1 is a compact, ultra-low noise phono preamp designed for MM turntables, delivering up to 2V output with a 70dB signal-to-noise ratio and less than 0.08% distortion. Featuring both RCA and 3.5mm headphone outputs, it supports simultaneous connections to powered speakers and headphones. Housed in a durable black anodized steel case and powered by a reliable 12V DC adapter, it ensures precise RIAA-standard audio reproduction. Highly rated and easy to install, it’s a must-have for audiophiles seeking to upgrade their vinyl listening experience.

## Description

Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply : desertcart.ae: Electronics

Review: Fosi ✌️ - Fosi good products
Review: It’s good - It served the purpose

## Features

- 【Converts MM Turntable Signals】: BOX X1 compact ultra-low noise phono preamp converts phono signals to line-level signals. Designed with a grounding post to protect your turntable.
- 【MM Phono Preamplifier with DC12V Power Adapter】: Output Voltage Level: 2V max (P-P) at 10K Ohms, SNR: 70dB, THD: ≤0.08% @ 1kHz and 3mV, Frequency Response: Standard RIAA. Equipped with DC12V high-quality power supply.
- 【RCA Output & 3.5MM Headphone Output】: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. You can connect a power amplifier through the 3.5MM AUX or RCA output, then connect the passive speakers and enjoy high-quality music with headphones through the 3.5 mm headphone output. Note: RCA line output and AUX headphone output can be output simultaneously.
- 【Amplify Vinyl Records to Interface with Your Home Stereo System】:The built-in low noise phono preamp circuitry is highly accurate and precisely conforms to the RIAA standard. Housed in a steel black anodized case, the BOX X1 gives you flawless audio reproduction in a rugged and reliable package.
- 【What You Get】: BOX X1 phono preamp x1, 12V power adapter x1, User manual x1, our worry-free 24-month warranty, and friendly customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08TLRPMDC |
| Best Sellers Rank | #20,634 in Electronics ( See Top 100 in Electronics ) #5 in Home Audio Preamplifiers |
| Brand Name | Fosi Audio |
| Customer Reviews | 4.4 out of 5 stars 1,973 Reviews |
| Item Dimensions | 18 x 13 x 6 centimeters |
| Item dimensions L x W x H | 18 x 13 x 6 centimeters |
| Manufacturer | Fosi Audio |
| Maximum Supply Voltage | 240 Volts |
| Maximum supply voltage | 240 Volts |
| Minimum Supply Voltage | 12 Volts (DC) |
| Minimum supply voltage | 12 Volts (DC) |
| Model | BOX X1 |
| Mounting Type | Freestanding mounting |
| Mounting type | Freestanding mounting |
| Number of Channels | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package Type Name | cardboard box |
| Part Number | BOX X1 |
| Specification Met | RoHS |
| Voltage | 12 Volts |

## Product Details

- **Item dimensions L x W x H:** 18 x 13 x 6 centimeters
- **Manufacturer:** Fosi Audio
- **Maximum supply voltage:** 240 Volts
- **Minimum supply voltage:** 12 Volts (DC)
- **Voltage:** 12 Volts

## Images

![Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply - Image 1](https://m.media-amazon.com/images/I/61N2wiBdvfL.jpg)

## Questions & Answers

**Q: How to adjust speaker volume (BOX X1)？**
A: The speaker volume is controlled through the volume knob on the speakers.

**Q: Is the DC input jack center-negative or center-positive (BOX X1)?**
A: It is a center-positive connector.

**Q: What is the gain (in dB) of BOX X1?**
A: The gain of the BOX X1 is 35 dB.

**Q: Can this be used with a moving coilcartridge?**
A: No,this is a MM phono preamp only.

**Q: Can this work with my turntable andheadphones?**
A: Yes,The BOX X1 is designed with 3.5MM headphone output.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fosi ✌️
*by F***L on 11 August 2025*

Fosi good products

### ⭐⭐⭐⭐ It’s good
*by M***. on 17 March 2024*

It served the purpose

### ⭐⭐⭐⭐⭐ Great turntable amp
*by A***R on 9 January 2026*

I’m very pleased with this amp. Packaged nicely. Looks great. Affordable. Sound/volume is good. works well with my turntable. Exactly what I needed. I would recommend.

## Frequently Bought Together

- Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply
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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-09-13*