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Fosi Audio Box X2 Phono Preamp for MM Turntables

Fosi AudioPart # 235-256
Model: Box X2
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The Fosi Audio Box X2 is a compact MM phono preamplifier designed to deliver clean, noise-free amplification for vinyl playback. Its hybrid tube design provides a smooth, analog character, while adjustable gain settings offer flexibility for various setups. Ideal for vinyl enthusiasts seeking a warm, dynamic sound in a space-saving form.

Key Features

  • Hybrid tube preamp with user-replaceable 6A2 vacuum tubes
  • Standard RIAA equalization for accurate vinyl playback
  • Replaceable tubes give you an array of options for different sound qualities
  • Switchable gain levels: 39 dB, 42 dB, 45 dB
  • Built in grounding post to protect your turntable
  • Compact aluminum chassis with 12V DC power supply included
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Overview

Fosi Audio Box X2 Phono Preamp for MM Turntables

Fosi Audio Box X2 Phono Preamp for MM Turntables

Tube MM Phono Preamplifier
The Fosi Audio Box X2 phono preamp converts phono signals to line-level with clarity, using high-quality components and low-noise ICs to remove low-frequency noise. A grounding post is included to protect your turntable and reduce hum.

3 Switchable Gain Modes
Easily toggle between 39 dB, 42 dB, or 45 dB gain to match your cartridge and system needs. Offers excellent compatibility and analog sound quality with refined circuitry.

Tube Preamplifier Functionality
Also functions as a tube preamp with a 3.5mm AUX input. Built with premium parts for a warm, smooth audio character that enhances your listening experience.

Applicable Vacuum Tube Models
Compatible with tube models such as 6K4, 6J1, 6J4, GE5654, 6AK5, and 66. Easily experiment with different tubes to tailor your system’s sound to your preference.

Specifications

  • Input Mode: RCA+3.5mm AUX
  • Output Mode: Active Speakers
  • Frequency Response: Standard RIAA
  • THD: ≤ 0.1%
  • SNR: ≥ 98dB
  • Product Weight: 0.66 lb/300g

  • Device Dimension: 4.66 inch/3.85 inch/1.29 inchDC
  • Input Range: 12V
  • Input Voltage Range: AC 110V - 240V
  • Output Voltage Level: 600 Mv @3mV 1kHz
  • Power Supply: 12V 1.5A

Product Details

BrandFosi Audio
ModelBox X2
Part Number235-256
Unit of MeasureEach
Weight1.32

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