How to adjust speaker volume (BOX X1)？

The speaker volume is controlled through the volume knob on the speakers.

Is the DC input jack center-negative or center-positive (BOX X1)?

It is a center-positive connector.

What is the gain (in dB) of BOX X1?

The gain of the BOX X1 is 35 dB.

Can this be used with a moving coilcartridge?

No,this is a MM phono preamp only.

Can this work with my turntable andheadphones?

Yes,The BOX X1 is designed with 3.5MM headphone output.

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

Product ID: 483417882

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Details

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

🔊Dual RCA & 3.5mm headphone outputs

🔌Includes DC 12V power adapter

🎚️Ultra-low noise phono preamp

Description

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

PLUG PLAY POWER - Comes with a reliable DC 12V power adapter ensuring consistent, high-fidelity performance every time.
SLEEK DURABLE DESIGN - Encased in a rugged black anodized steel chassis that complements any modern audio setup.
CRYSTAL CLEAR VINYL REVIVAL - Transforms MM turntable signals into pristine line-level audio with ultra-low noise circuitry.
PRECISION AUDIO ENGINEERING - Built-in RIAA standard preamp delivers accurate, distortion-free sound with a 70dB SNR and ≤0.08% THD.
VERSATILE AUDIO CONNECTIVITY - Simultaneously outputs via RCA and 3.5mm headphone jack for seamless integration with speakers and headphones.

The Fosi Audio Box X1 is a compact, ultra-low noise MM phono preamp designed to convert turntable signals into high-quality line-level output. Featuring a DC 12V power supply, dual RCA and 3.5mm headphone outputs, and precision RIAA standard circuitry, it ensures crystal-clear, distortion-free audio. Housed in a durable anodized steel case, it’s the perfect upgrade for audiophiles seeking flawless vinyl playback with versatile connectivity.

Specifications

ASIN	B08TLRPMDC
Best Sellers Rank	#13,732 in Electronics ( See Top 100 in Electronics ) #2 in Home Audio Preamplifiers
Brand Name	Fosi Audio
Customer Reviews	4.4 out of 5 stars 1,796 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
Package Type Name	cardboard box
Specification Met	RoHS
Voltage	12 Volts

Reviews

F**L

Fosi ✌️

Fosi good products

11.08.2025

M**.

It’s good

It served the purpose

17.03.2024

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