Fosi Audio LC30 VU Meter Amplifier Speaker Selector Switch Box Audio Visualizer 2 in 2 Out Vintage Switcher for High Power Stereo Class A, B, AB, D, Tube Amps Home Audio Component with Remote Control

Price: $149.99
(as of Sep 18, 2026 00:21:43 UTC – Details)

Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Reviving the Classic Vintage Charm

Retro Design, Pure Sound

Effortlessly Switch Between Two Sets of Amplifiers/Speakers

The LC30 was specially developed to cater to our audiophile fans‘ requests to complement your home audio system setup. It can serve as an amp/speaker selector or a pure VU meter allowing you to enjoy the vibrant audio-visual feast.

Supported Amplifier Types: BTL, Class A, Class B, Class AB, Class D and tube amplifiers, etc.Maximum Power Support: 250W@4Ω per channelVU Meter Brightness Adjustment: 5 levels(100%, 75%, 50%, 25%, Off)Power Supply Voltage: DC 5V USB-C

Supports High Power Transmission

Each channel supports up to 250W, ensuring strength and clarity in your music.

Compatible with Various Amplifier Types

Supports all mainstream amplifiers on the market, meet your diverse pure music enjoyment needs.

1 2-In 2-Out

2 AB Comparison Tests

3 250W Input/Output

4 Versatility

Large-Size VU Meters

Dual 85*45mm VU meters offer real-time feedback on left and right channel signal strength.

Front Panel Multifunction Buttons

Three integrated keys for power, brightness adjustment, and speaker/amplifier switching.

Needles Sensitivity Adjustment Knob

Adjusts sensitivity to match various input signal strengths, capturing every note’s pulse.

Five-Level Backlight Brightness Adjustment

VU meter backlight brightness offers five settings: 100%, 75%, 50%, 25%, and off.

1 Vintage Style

2 Multifunction Buttons

3 Sensitivity Adjustment

4 Brightness Adjustment

Large-Sized Chassis Design Saving Space

Can accommodate Fosi Audio compact amplifiers on the top, offering versatile configuration options.

Multifunctional Remote Control

Makes switching more convenient, allowing you to navigate your audio and focus on the music.

Exquisite All-Aluminum Alloy Chassis

One-piece CNC-molded and anodically oxidized for a sandblasted all-aluminum body.

1 Recommended by Millions

2 Hassle-free Support

3 Large Box

4 Remote Control

5 Robust Build

Superior Quality Components High-quality Relays

Leveraging superior internal components for high-power lossless output, creating an unparalleled exceptional listening experience for you.

390Ω Load Resistors

Designed to prevent amplifier no-load conditions, guaranteeing stable operation and extending lifespan.

Thickened Circuit Traces

Utilizes thickened copper foils in the circuitry to minimize power loss during audio transmission.

User-friendly Terminal Design

Terminals oriented upwards/downwards simplify the cable connection process, ensuring easy and quick connections.

Comparison Chart

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Price

$149.99$149.99

$89.99$89.99

$131.99$131.99

$189.99$189.99

Type

VU Meter Amplifier

Bluetooth Stereo Amplifier

Stereo Power Amplifier

2.1 CH DAC Amplifier

MAX Power Output

250W

100W x 2

105W×2

165W×2

Input

Two Amplifiers

Bluetooth+RCA

Bluetooth+RCA+Optical+USB-C

Bluetooth+RCA+Optical+USB-C

Output

Two Pairs of Passive Speakers

Passive Speakers+Pre-Out

Passive Speakers+Pre-Out+3.5mm

Passive SPK/Sub+Pre-Out

Treble & Bass Control

✘

✔

✔

✔

THD

<0.001%

≤ 0.03%

≤ 0.03%

<0.03%

SNR

≥108dB

≥100dB

≥100dB

≥100dB

Terminating Impedance

4 Ohm

—

—

—

Power Adapter

USB-C Power Cable

24V/4.5A

24V/4.5A

32V/5A

Vintage Elegance: The LC30 boasts dual large VU meters, complete with adjustable brightness across five levels. It offers versatile connectivity with two inputs and two outputs, enabling four distinct configurations. Beyond its functional prowess as a switcher, it stands as exquisite decorative VU meters allowing you to enjoy the vibrant audio-visual feast.
Versatile Compatibility: Fully supports a wide range of amplifiers. The large enclosure design accommodates not only two Fosi Audio compact amplifiers on top but also seamlessly integrates with traditional Class A, Class B, Class AB, and tube amplifiers without issues to meet your diverse audio enjoyment needs.
Superior Components: Integrated with 390Ω protective load resistors, thickened copper foil circuits, premium speaker binding posts, and switching relays, the vu meter audio ensures virtually no impact or loss in sound quality and supports a maximum 250W power transmission per channel. This allows you to enjoy the purest high-fidelity sound.
Ease of Use: Offers both button and remote control operation, enabling one-tap switching between two amplifiers and two speakers. It streamlines the process of A/B comparison testing for two amplifiers or speakers, ensuring straightforward accessibility. Moreover, adjusting the backlight brightness and needle sensitivity is made effortlessly simple, enhancing the overall user experience.
Crafted for Audiophiles: The LC30 was specially developed to cater to our fans’ requests. It embodies the Fosi Audio signature all-aluminum alloy construction for durability and reliability. This device is destined to be a lasting companion for your HiFi home audio system, ensuring enduring satisfaction.