---
product_id: 292176616
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: "AR$167384"
currency: ARS
in_stock: true
category: "Fosi Audio"
url: https://www.desertcart.com.ar/products/292176616-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio
store_origin: AR
region: Argentina
---

# Stable DC 12V power supply 3.5mm headphone + RCA 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:** AR$167384
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your vinyl game with flawless sound and seamless connectivity!

## 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?** AR$167384 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/292176616-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

- • **Rugged Aluminum Build:** Sleek, durable design built to last and impress on any audio setup.
- • **Dual Output Flexibility:** Simultaneously connect RCA speakers and headphones for ultimate listening freedom.
- • **Power-Packed 12V Stability:** Reliable DC power ensures consistent, high-fidelity audio performance every time.
- • **Ultra-Low Noise, Pure Vinyl Vibes:** Experience crystal-clear sound with minimal interference for your prized records.
- • **Precision RIAA Standard Compliance:** Authentic sound reproduction that honors the original vinyl experience.

## Overview

The Fosi Audio Box X1 is a high-performance phono preamp designed for MM turntables, delivering ultra-low noise and precise RIAA frequency response. Powered by a stable 12V DC supply, it offers a maximum 2V output with a 70dB signal-to-noise ratio and ≤0.08% distortion. Featuring versatile RCA and 3.5mm headphone outputs in a durable aluminum chassis, it ensures premium audio fidelity and flexible connectivity for discerning vinyl enthusiasts.

## Description

desertcart.com: 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 : Electronics

## Features

- HASSLE-FREE PLAYBACK - The BOX X1 is an ultra-low noise phono preamp that seamlessly converts phono signals into line-level signals, featuring a grounding post for optimal turntable protection
- EXCEPTIONAL AUDIO QUALITY - Equipped with a high-quality DC12V power supply, this MM phono preamplifier offers reliable and stable performance, delivering an output voltage level of 2V max (P-P) at 10K Ohms, an SNR of 70dB, and THD of ≤0.08% @ 1kHz and 3mV, while conforming precisely to the standard RIAA frequency response
- VERSATILE CONNECTIVITY - The phono preamp provides MM turntable input, RCA line output for powered speakers, and a 3.5MM headphone output, allowing simultaneous use of RCA line output and AUX headphone output for maximum flexibility
- PERFECT INTEGRATION - Designed for vinyl record enthusiasts, this phono preamp ensures accurate sound replication with its built-in low-noise phono preamp circuitry, conforming precisely to the RIAA standard, and encased in a durable black anodized steel case for reliable and rugged audio transmission
- WHAT'S INCLUDED - Fosi Audio BOX X1 Phono Preamp x1, 12V Power Adapter x1, User Manual x1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08TLRPMDC |
| Best Sellers Rank | #19,630 in Electronics ( See Top 100 in Electronics ) #11 in Audio Component Preamplifiers |
| Brand Name | Fosi Audio |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,971) |
| Item Dimensions | 7.09 x 5.12 x 2.36 inches |
| Item Type Name | Phono Preamp |
| Manufacturer | Fosi Audio |
| Material Type | Aluminum |
| Maximum Supply Voltage | 12 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
| Model | BOX X1 |
| Mounting Type | Freestanding |
| Number of Channels | 1 |
| Package Type Name | Retail Packaging |
| Part Number | BOX X1 |
| Specification Met | Riaa |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 18-month manufacturer |

## Product Details

- **Item dimensions L x W x H:** 7.09 x 5.12 x 2.36 inches
- **Manufacturer:** Fosi Audio
- **Maximum Supply Voltage:** 12 Volts (DC)
- **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.

## 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 Argentina*
*Store origin: AR*
*Last updated: 2026-07-21*