Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

Fosi Audio - Box X5 Phono Preamplifier - Black

Model: BOX X5
SKU: 6680578

Reviews coming soon

Sold byBest Buy
$109.99
or
Standard Geek Squad Protection
Warranty Protection Plans
Availability
Order now for pickup on Wed, Jul 1 at
Sold by
Best Buy
Specifications
  • Continuous Watts x Channel @ Ohms
    N/A
    Number of Channels
    2
    Audio Only Inputs
    1 x Phono, Unbalanced RCA
    Network Connector(s)
    No network connectors
    Preamp Outputs
    Yes
  • Key Specs
    • Continuous Watts x Channel @ Ohms: N/A
    • Number of Channels: 2 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
    • Audio Only Inputs: 1 x Phono, Unbalanced RCA
    • Network Connector(s): No network connectors
    • Preamp Outputs: true
  • General
    • Brand: Fosi Audio
    • Model Number: BOX X5
    • Product Name: Fosi Audio Box X5 Phono Preamplifier
    • Color: Black
  • Audio
    • Continuous Watts x Channel @ Ohms: N/A
    • Number of Channels: 2 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
    • Amplifier Type: Integrated amplifiers
  • Inputs
    • Audio Only Inputs: 1 x Phono, Unbalanced RCA
    • Video Only Inputs: No video only inputs (The number and type of video signal only inputs the product has.)
    • Network Connector(s): No network connectors
    • Line-Level Inputs: true (Also referred to as low-level inputs. Enables the amplifier to receive a sound signal from another device via RCA cables.)
  • Outputs
    • Preamp Outputs: true
    • Speaker Connection Type: No speaker connections
    • Video Only Outputs: No video only outputs (The number and type of video signal only outputs the product has.)
  • Dimensions
    • Product Height: 1.4 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 4.13 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 6.5 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 0.93 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 2 years
    • Warranty - Labor: 2 years
  • Other
    • UPC: 6976136960553

The Fosi Audio Box X5 is a compact high-fidelity phono preamp designed for vinyl enthusiasts. Compatible with both MM and MC cartridges, it features four selectable gain levels (38dB/48dB/56dB/66dB) and precise RIAA equalization for accurate, detailed sound reproduction. Built with premium audiophile-grade components, including low-noise circuitry and high-quality op-amps, the Box X5 delivers clean, dynamic audio with ultra-low distortion. Its durable aluminum alloy chassis and simple front-panel controls make it an ideal upgrade for turntables and home stereo systems.

  • High-Fidelity Vinyl Playback: Compatible with both MM and MC cartridges, the Box X5 features four adjustable gain settings and precise RIAA equalization for clean, detailed vinyl playback. Its low-noise design preserves the original character of your records for a rich and immersive listening experience.
  • Premium Audio Components: Built with high-quality audiophile-grade components, including precision film capacitors, low-noise op-amps, and gold-plated RCA connectors, the Box X5 delivers clean, dynamic sound with ultra-low distortion and excellent detail reproduction.
  • Flexible Gain Adjustment: With four selectable gain levels (38dB, 48dB, 56dB, and 66dB), the Box X5 easily supports a wide range of MM and MC cartridges. Fine-tune your vinyl setup for optimal performance and enhanced sound clarity.
Whats Included
  • 1 x BОX X5 Phono Preamp
  • 1 x 16V1A Power Adapter
  • 1 x User's Manual
Product Manuals
Sponsored

Compare similar products

Fosi Audio - Box X5 Phono Preamplifier - Black
Fosi Audio - Box X5 Phono Preamplifier - Black

The Fosi Audio Box X5 is a compact high-fidelity phono preamp designed for vinyl enthusiasts. Compatible with both MM and MC cartridges, it features four selectable gain levels (38dB/48dB/56dB/66dB) and precise RIAA equalization for accurate, detailed sound reproduction. Built with premium audiophile-grade components, including low-noise circuitry and high-quality op-amps, the Box X5 delivers clean, dynamic audio with ultra-low distortion. Its durable aluminum alloy chassis and simple front-panel controls make it an ideal upgrade for turntables and home stereo systems.

Fosi Audio - ZA3 48V Stereo Amplifier - Black

The Fosi Audio ZA3 is a high-performance balanced Class-D amplifier designed for desktop and home HiFi systems. Built around the Texas Instruments TPA3255 amplifier chip, the ZA3 delivers powerful, clean sound with low distortion and high efficiency. It supports both stereo and mono modes, offering up to 180W output in stereo mode and up to 235W in mono mode when paired with a 48V power supply. The ZA3 features balanced XLR/TRS and RCA inputs, making it compatible with a wide range of audio sources, while the dedicated subwoofer output allows easy integration into 2.1-channel systems. Premium audiophile-grade components, including Japanese NCC and ELNA capacitors, German WIMA capacitors, and Sumida inductors, help achieve detailed, dynamic sound with an SNR of up to 106dB and ultra-low distortion.

Fosi Audio - ZD3 Desktop DAC - Black

The ZD3 is a fully balanced desktop DAC designed for high-resolution home audio systems. Equipped with the ESS ES9039Q2M DAC chip and XMOS XU316 USB processor, it supports PCM up to 32-bit/768kHz and DSD512 playback for exceptional audio clarity and detail. Featuring USB, HDMI ARC, optical, coaxial, Bluetooth, RCA, and balanced XLR connectivity, the ZD3 integrates seamlessly with TVs, streamers, amplifiers, and active speakers. Premium low-noise circuitry, customizable EQ settings, and a compact aluminum chassis deliver clean, dynamic sound performance for music, movies, and desktop listening setups.

Sonos - Amp 250W 2.1-Ch Amplifier - Black

Enhance your home audio with this Class D Sonos amplifier. Its 125W of power per channel lets you enjoy high-resolution sound from your bookshelf speakers, TV and other passive components, and Wi-Fi connectivity supports multiroom setups and wireless streaming via AirPlay and the Sonos app.

Pros for Fosi Audio - Box X5 Phono Preamplifier - Black
There were no pros for this productThere were no pros for this productThere were no pros for this productSound Quality, Ease of use, Power, Connectivity, Size
Cons for Fosi Audio - Box X5 Phono Preamplifier - Black
There were no cons for this productThere were no cons for this productThere were no cons for this productPrice, App, Heat, Bass, EQ

Specs

Reviews

This product doesn't have any reviews yet.

No content

Similar products from outside of Best Buy

sponsored
Ask BlueAI

Finance Options

My Best Buy® Credit Card
Buy Now, Pay Later
4 payments starting at $27.50