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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.

  • 🎤 Professional UHF Wireless Microphone: Single handheld dynamic microphone with strong metal body for clear voice in karaoke, stage shows, classrooms, church and PA systems.
  • 📡 Long Range Stable Signal: Advanced Benz receiver provides interference-free performance with wireless range up to 200 ft, suitable for indoor and outdoor use.
  • 🔋 Up to 10 Hours Working Time: Built-in rechargeable battery delivers up to 10 hours backup. Supports modern Type-C charging for fast and easy power-up.
  • 🔊 Clear Sound with Low Distortion: Wide frequency response (40–18KHz), ≥90dB SNR and low distortion ensure loud, natural and noise-free voice output.
  • 🔌 Plug & Play Wide Compatibility: Includes 6.35mm to 3.5mm converter, works with PA speakers, mixers, amplifiers and karaoke systems. No setup required.
  • 🎚️ Multi-Frequency Support (30 Channels): Supports up to 30 selectable UHF frequencies, reducing signal clash and interference during events with multiple wireless microphones.
  • 1× Wireless Metal Microphone
  • 1× Large UHF Receiver
  • 1× Anti-Rolling / Anti-Scratch Rubber Rings
  • 1× Type-C Charging Cable
  • 1× 6.35mm to 3.5mm Converter
  • 2× Batteries
  • 1× Carry Pouch
  • 1× User Manual

Connectivity Technology

UHF

Connector Type

Wireless

Special Feature

30 Frequencies, Anti-Scratch & Anti-Roll Rubber Ring, Long Range up to 200ft, Plug & Play, Type-C Charging

Compatible Devices

Active Speakers, Amplifier Mixer, Home Audio Systems, Karaoke Systems, PA Speakers

Polar Pattern

Omnidirectional

Impedance

42 Decibels

Microphone Form

Handheld

Power Source

Battery Powered

Signal-to-Noise Ratio

90 dB

Number of Channels

30

Simple To Use
Great Audio Every Time
In-Built Microphone
Flyball SLM 520 VLA

At A Glance

At A Glance — SLM 520 VLA features overview

Buy Flyball SLM 520 VLA at partners like Amazon. To enjoy our expert help, one-on-one exclusive customer service, professional technical support on your purchase, and more.

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.

Locked-In Signal. Zero Interference.

UHF 630–700 MHz ensures stable, crystal-clear transmission — even in crowded environments.

Power That Keeps Up With You

Power That Keeps Up With You

Up to 10 hours of uninterrupted performance — built for long events, no breaks needed.

Go Further. Perform Freely.

Go Further. Perform Freely.

Up to 200 ft wireless range gives you total stage freedom without dropouts or lag.

Powerful sound. Perfectly sized.

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

Switch Channels. Stay Clear.

Switch Channels. Stay Clear.

30 UHF frequency options reduce interference, so your sound stays stable in any setup.

Pure Sound. No Distractions.

Pure Sound. No Distractions.

≥90dB signal-to-noise ratio delivers loud, crisp audio with minimal background noise.

Bring the Party Anywhere

Bring the Party Anywhere

Powerful wireless sound and easy setup — perfect for karaoke nights, events, and on-the-go fun.

SLM 520 VLA User Guide

SLM 520 VLA User Guide

The Wireless Micro User Guide explains everything you need to know about using your SLM 520 VLA and capturing incredible sound effortlessly.

Download

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.

Flyball 1 Year Warranty

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.

Watch

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Frequently Asked Questions

The Flyball SLM 520 VLA is a wireless handheld microphone system designed for singing, speeches, teaching, events, karaoke, interviews, and stage-style use.

Yes. It is a wireless microphone setup, allowing users to move freely while speaking or performing without cable restrictions.

The page highlights a single UHF metal microphone, built for stable voice pickup and durable everyday use.

The product page highlights long-range wireless performance, making it useful for classrooms, halls, outdoor events, and presentations.

Yes. It includes a 6.35mm to 3.5mm converter for wider compatibility with supported audio devices, speakers, and amplifier systems.

Yes. The product highlights 40–18KHz frequency response and THD + N ≤ 0.5, helping deliver clean and balanced vocal output.

Yes. It is suitable for karaoke, casual singing, home performances, and small events where clear wireless vocals are needed.

Yes. The product is shown as a metal microphone, making it more suitable for frequent handling during events, teaching, and performances.

Yes. The microphone is designed for simple use with compatible sound systems, making it easy to connect and start speaking or singing.

Yes. The product comes with a 1-year warranty, giving customers added confidence after purchase.