Fosi Audio Box X2 Phono Preamplifier

Tube Phono Preamplifier for Turntables!
  • Input: 1 x Phono In (RCA), 1 x AUX In (3.5 mm jack)
  • Output: 1 x RCA
  • 3 switchable gain modes: 39, 42, 45 dB
  • Compatible with tube models 6K4, 6J1, 6J4, GE5654, 6AK5, and 66
  • Includes 2 x 6A2 tubes
  • Includes audio cable (RCA to jack) and power adapter
69,90
All prices include VAT
Ready for shipping
Standard Shipping
free
Delivery time 1 - 2 working days
Priority Shipping
+ 0,99
Shipping on 09.12.2025
Express Shipping
+ 5,90
Delivery on Wednesday, 10.12.2025, if you order within 21 Min. 
Shipping and Delivery

Fosi Audio Tube Phono Preamplifier - A Highlight for Ear and Eye!

The Fosi Audio Box X2 Phono Preamplifier converts phono signals into line-level signals using low-noise integrated circuits and premium components, eliminating low-frequency interference and ensuring clear sound quality.

With its three gain modes (39, 42, and 45 dB), this phono preamp allows precise adjustment of volume and tone for optimal use indoors. Whether you enjoy your vinyl in a quiet or lively environment, you'll find the perfect gain setting for the best listening experience.

Replaceable Tubes for Your Ideal Sound

This phono preamp delivers an exceptionally warm and smooth tone and is compatible with various vacuum tubes (6K4, 6J1, 6J4, GE5654, 6AK5, and 66). Customize your audio system by swapping tubes to achieve your personal sound ideal.

Connection for Turntables... and More

The Fosi Audio Box X2 features a phono input and a 3.5mm AUX input (front) for multiple sources. Via the line output (RCA), you can connect active speakers or an amplifier with passive speakers.

Fosi Audio - Hear The Unheard!

Features

  • Fosi Audio Phono Preamplifier
  • Type: Box X2
  • Input: 1 x Phono In (RCA), 1 x AUX In (3.5 mm jack)
  • Output: 1 x RCA
  • Frequency Response: Standard RIAA
  • Distortion: ≤ 0.1%
  • Signal-to-Noise Ratio: ≥ 98dB
  • DC Input Range: 12V
  • Input Voltage Range: AC 110V - 240V
  • Output Voltage Level: 600 mV @3mV 1kHz
  • Power Supply: 12V 1.5A
  • Weight: 300g
  • Dimensions (W x D x H): 11.8 x 9.8 x 3.3 cm

Scope of delivery

  • 1 x Fosi Audio Box X2 Phono Preamplifier
  • 2 x Vacuum Tubes
  • 1 x Power Adapter
  • 1 x Audio Cable (RCA to Jack)

Specification

  • Product number 00112764
  • Colour Black

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