
SLM 520 VLA Dual
FLYBALL Dual UHF Wireless Microphone Set with Metal Handheld Mics & Receiver | 200ft Range, 10H Battery, Type-C Charging | Karaoke, DJ, Stage, Church, PA
Enjoy clear, powerful audio with dual UHF wireless microphones, 200ft stable range, and up to 10 hours of battery life. With 30-channel support, low-noise performance, and plug-and-play compatibility, it's built for seamless use across stage, events, and beyond. Comes with anti scratch and anti roll rubber ring.

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:
Locked-In Signal. Zero Interference.
UHF 630–700 MHz ensures stable transmission.
Power That Keeps Up With You
Up to 10 hours of uninterrupted performance.
Go Further. Perform Freely.
Up to 200 ft wireless range.
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 reduce interference.
Pure Sound. No Distractions.
≥90dB SNR.
Bring the Party Anywhere
Perfect for karaoke nights and events.

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