---
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: "₩67329"
currency: KRW
in_stock: true
reviews_count: 7
category: "Fosi Audio"
url: https://www.desertcart.kr/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio
store_origin: KR
region: South Korea
---

# Dual RCA & 3.5mm outputs DC 12V stable power supply 70dB SNR ultra-clear sound 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:** ₩67329
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your vinyl game—because your records deserve the spotlight!

## 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?** ₩67329 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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

- • **Plug & Play Power:** Includes a reliable DC 12V adapter for consistent performance without signal dropouts.
- • **Grounded for Pure Audio:** Built-in grounding post protects your turntable from hum and interference—hear only the music.
- • **Precision RIAA Standard:** Accurate frequency response guarantees authentic vinyl playback exactly as the artist intended.
- • **Crystal-Clear Vinyl Revival:** Ultra-low noise phono preamp with 70dB SNR ensures your records sound pristine and vibrant.
- • **Seamless Stereo Integration:** Easily connect to powered speakers or amplifiers via RCA and 3.5mm outputs for versatile setups.

## Overview

The BOX X1 is a compact, ultra-low noise MM phono preamplifier designed to convert turntable signals to line-level with precision. Featuring a 70dB signal-to-noise ratio, ≤0.08% distortion, and standard RIAA frequency response, it supports RCA and 3.5mm outputs for flexible audio setups. Housed in a durable anodized steel case and powered by a DC 12V adapter, it ensures flawless, interference-free vinyl playback for audiophiles and casual listeners alike.

## 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 | #30,997 in Electronics ( See Top 100 in Electronics ) #8 in Home Audio Preamplifiers |
| Item model number | BOX X1 |
| Language | English |
| Manufacturer | Fosi Audio |
| Product Dimensions | 18 x 13 x 6 cm; 340 g |

## 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

### ⭐⭐⭐⭐⭐ Review
*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 South Korea*
*Store origin: KR*
*Last updated: 2026-02-19*