TECHNOLOGY

Sound OffTM  offers the best
in wireless technology

From fitness classes and festivals to your own backyard dance parties, our state-of-the-art silent disco technology gives
an immersive, unforgettable spin to both professional and personal events.

Headphones

Sound Off GLO 4 Headphones

The GLO 4 is our premium three-channel headphone, bringing the highest standards in RF technology to everything from immersive silent discos to high-energy fitness classes. Featuring clean, modern lines, new vibrant colors, and an over-ear design, the GLO 4 also offers a 12-hour battery life and USB-C charging to meet all global charging standards. An upgraded PCB provides our highest level of protection against electromagnetic interference, for incomparably crisp, clear audio anywhere, anytime.

  • Radio Frequency Technology
  • Up to 3 Channels
  • Channel Lock Feature
  • Double Phase-lock Loop for Enhanced Connection and Frequency Stability
  • Enhanced Shielding on PCB
  • Battery Life Indicator
  • 6 LED Colors
  • “Blackout Mode” for Non-LED Experience
  • “Party Mode” for Flashing LED Color
  • Auto Volume Reset
  • Dynamic 40mm Mylar Audio Drivers
  • Frequency Response: 20Hz–15kHz
  • Signal-to-Noise Ratio: 75dB @ 1kHz
  • Comfortable Over-ear Design for Increased Sound Isolation
  • Adjustable Silicone Headband
  • Compact Folding Design
  • Up to 12 Hours of Battery Life
  • Power-saving Features to Increase Battery Life
  • Rechargeable Lithium-polymer Battery (1000mAh)
  • USB-C Charging Port
  • Sound Off Secure NFC Technology Built in
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off GLO 4 headphones

Sound Off GLO 3XB Headphones

The premier solution for conferences, meetings, and other professional events, our GLO 3XB headphone offers ten channels of audio input to enable translation, creative breakout sessions, and more. Featuring an updated ultra-sleek design, comfortable padded headband, and 12-hour battery life, the GLO 3XB keeps participants connected through long days of back-to-back presentations and packed conference schedules. An upgraded PCB provides improved protection against electromagnetic interference, so ambient radio frequencies won’t compromise your clarity.

  • UHF/RF Technology
  • Up to 10 Channels Available with 10 Unique Colors
  • Double Phase-lock Loop for Enhanced Connection and Frequency Stability
  • Upgraded PCB Design with Enhanced Shielding
  • LED Channel Indicator
  • “Blackout Mode” for Non-LED Experience
  • Lightweight 40mm Mylar Audio Drivers
  • Frequency Response: 20Hz~18kHz
  • Signal-to-noise Ratio: 90dB @ 1kHz
  • Comfortable Over–ear Leatherette Ear Cushion for Increased Sound Isolation
  • Sleek Design and Padded Band for Better Fit
  • Low Profile Fold-flat Design
  • 12 Hours of Battery Life
  • Power-saving Features to Increase Battery Life
  • Rechargeable Lithium-polymer Battery (600mAh)
  • USB-C Charging Port
  • Sound Off Secure NFC Technology Built in
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off GLO 3XB headphones

Sound Off GLO 2 Headphones

Our most versatile and widely used model for any kind of personal or professional event, the GLO 2 headphone provides passive noise isolation with three available channels to craft your perfect experience.

  • UHF/RF Technology
  • Up to 3 Channels
  • LED Channel Indicator
  • 40mm Audio Drivers
  • Immersive Dynamic Bass (IDB) Technology
  • Frequency Response: 20Hz–20kHz
  • Signal-to-Noise Ratio: 90dB @ 1kHz
  • Comfortable Leatherette Ear Cushion
  • Adjustable Headband
  • Up to 11 hours of Battery Life
  • Rechargeable Lithium-polymer Battery (300mAh)
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off GLO 2 headphones

Receivers

Sound Off BYO Receiver

Connect any headphone or speaker to your Sound Off system with just an auxiliary jack. This device can be used for effortless in-ear monitoring and can transform wired speakers into wireless ones. With three channels available, the BYO unshackles your next personal or professional event from unsightly wires and cables. Features one-touch channel adjustment and includes
a belt clip for mobile events.

  • UHF/RF Technology
  • LED Channel Indicator
  • 3.5mm Stereo Aux Out
  • Sturdy Plastic Casing with Belt Clip
  • Ergonomic Multifunction Button
  • Up to 8 hours of Battery Life
  • Rechargeable Lithium-polymer Battery (300mAh)
  • Power-saving auto-shutoff feature
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off BYO receivers

Transmitters

Sound Off Blade 2.2 Transmitter

The Blade 2.2 can accept audio from any source. Its variable power settings, sturdy metal frame, and ability to interact with multiple transmitters in the same space provide high flexibility for any event you want to design. When you pair it with GLO 2 Headphones, you can also wirelessly control your LED colors and patterns, enabling you to curate events that are both sonically and visually dynamic.

  • UHF/RF FM Stereo Transmitter
  • Range: 200–500 meters
  • Sturdy Metal Housing
  • Digital Channel Display
  • Channels: 3
  • Ergonomic Channel Changer
  • RCA Line Inputs
  • Power Supply: 12V, 0.5A
  • Transmitter: 6″ x 8″ x 8″ (Antenna Extended)
  • Storage Case: 10.5″ x 8″ x 3″
  • 1-year Warranty Against Manufacturer’s Defects
  • Optional K1 LED Controller
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Sound Off Blade 2.2 transmitter

Sound Off Blade 3XBT Transmitter

The Blade 3XBT is an industry-first UHF/RF stereo transmitter equipped with balanced XLR inputs and Bluetooth compatibility, designed to deliver a clearer signal path for professional-grade sound. Available with 10 channels and an optional high-gain antenna that will broadcast your event into the stratosphere.

  • UHF/RF Stereo Transmitter
  • Range 200–500m
  • Balanced XLR Line Inputs
  • Channels: 10
  • Sturdy Metal Housing
  • Digital Channel Display
  • Power Supply: 9V, 1000mA
  • 600mAh Battery
  • 3.5mm TRS Mic Input
  • Optional High-gain Antenna Available
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off Blade 3BXT

Sound Off Blade 3BT Transmitter

The Blade 3BT is our most dynamic and powerful transmitter yet. Available with RCA inputs, a three-channel selector, and an optional high-gain antenna that will broadcast your event into the stratosphere.

    • UHF/RF Stereo Transmitter
    • Range 200–500m
    • Sturdy Metal Housing
    • Channels: 3
    • Digital Channel Display
    • Power Supply: 9V, 1000mA
    • 600mAh Battery
    • RCA Line Inputs
    • 3.5mm TRS Mic Input
    • 1-year Warranty Against Manufacturer’s Defects
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Sound Off Blade 3BT

Sound Off Bolt 2.2 Transmitter

The Bolt 2.2 can accept audio from any source including Bluetooth; its ability to interact with multiple transmitters in the same space provides high flexibility for any event you want to design. When you pair it with a GLO 2 Headphone, you can also wirelessly control your LED colors, allowing you to curate events that are both sonically and visually dynamic. With the included belt clip and rechargeable battery, the Bolt 2.2 transmitter is ideal for mobile events, and with an optional microphone, event leaders can be heard with or without music.

  • UHF/RF FM Stereo Transmitter
  • Range: 300 meters
  • Sturdy Plastic Housing with Belt Clip
  • Channels: 3
  • Ergonomic Channel Changer
  • Digital Channel Display
  • Bluetooth Input
  • 3.5mm TRS Stereo Line Input
  • 3.5mm TS Mic Input
  • Power Supply: 12V, 1-1.3A
  • Transmitter: 5″ x 7.5″ x 1.5″
  • Storage Case Included: 10.5″ x 8″ x 2″
  • 1-year Warranty Against Manufacturer’s Defects
  • Optional Microphone
  • Optional K1 LED Controller
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Sound Off Bolt 2.2 transmitter