SLM 520 VLA

FLYBALL UHF Wireless Microphone with Dual Antenna Receiver | Professional Handheld Mic for Karaoke, Stage, DJ, PA System, Church & Events

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Deliver powerful, crystal-clear audio with low distortion, up to 200ft stable range, 10-hour battery life, and 30-channel UHF support — all in a plug-and-play system built for stage, classroom, and beyond. Comes with type-c charging support, anti scratch and anti roll rubber ring.

Simple To Use

Great Audio Every Time

In-Built Microphone

At A Glance

Until Now, Better Sound Meant More Gear, More Setup, And More Friction. Flyball Changes That. Studio-Quality Audio, Captured Instantly. No Cables, No Configuration—Just Clip On And Go. Intelligent Audio Processing Keeps Your Voice Clear And Balanced In Any Environment, While The Ultra-Compact Design Stays Effortlessly Out Of Your Way.

No Extra Equipment. No Learning Curve.
Just Great Sound From The Start.

Choose A Narrator:

Phil

John

Justin

Pankaj

Steve

Meg

Locked-In Signal. Zero Interference.

UHF 630–700 MHz.

Power That Keeps Up With You

Up to 10 hours.

Go Further. Perform Freely.

Up to 200 ft.

Powerful sound. Perfectly sized.

From classrooms to conferences. Flyball ST 6300 delivers powerful sound everywhere you listen.

Switch Channels. Stay Clear.

30 UHF frequency options.

Pure Sound. No Distractions.

≥90dB SNR.

Bring the Party Anywhere

Perfect for karaoke and events.

SLM 520 VLA User Guide

Everything you need to know about using your SLM 520 VLA.

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Flyball Guarantee

I take my obligations to customers, the environment, and future generations seriously. We now offer a 1 year warranty on all wireless products, regardless of purchase date. After 1 year, FLYBALL will provide an upgrade pathway. All future wireless designs will have user-replaceable batteries or be supported by our warranty and recycling program.

Learn from the Pro's

Get a closer look at how this product performs in real-world use. From setup to sound testing, this video helps you understand what makes it a smart choice for recording, interviews, classes, vlogging, and content creation.

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SLM 520 VLA