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 3-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 expertly designed, ultra-comfortable fit, the GLO 4 also offers our longest battery life yet 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
  • 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
  • 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 3N Headphones

A dynamic solution for wellness, meetings, and bespoke audio events — this 3-channel headphone boasts 6 vibrant LED colors which will visually enhance any affair. An upgraded PCB provides improved protection against electromagnetic interference, so ambient radio frequencies won’t compromise your clarity.

  • UHF/RF Technology
  • Up to 3 Channels
  • 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 Cushion for Increased Sound Isolation
  • Silicone Headband
  • Low-profile Fold-Flat Headphone Design
  • Up to 8 Hours of Battery Life
  • Power-saving Features to Increase Battery Life
  • Rechargeable Lithium-polymer Battery (600mAh)
  • Sound Off Secure NFC Technology Built In
  • 1-year Warranty Against Manufacturer’s Defects
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Sound Off GLO 3XC Headphones

The premier solution for conferences, meetings, and other professional events, our GLO 3XC headphone offers ten channels of audio input to enable translation, creative breakout sessions, and more. 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
  • 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 Cushion for Increased Sound Isolation
  • Silicone Headband
  • Low-profile Fold-Flat Headphone Design
  • Up to 8 Hours of Battery Life
  • Power-saving Features to Increase Battery Life
  • Rechargeable Lithium-polymer Battery (600mAh)
  • USB-C Charging Port
  • NFC Technology
  • 1-year Warranty Against Manufacturer’s Defects
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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 with LED Colors

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
  • 2-channel and 3-channel Options
  • LED Channel Indicator
  • 3.5mm Stereo Aux Out
  • Sturdy Plastic Casing with Belt Clip
  • Ergonomic Multifunction Button
  • 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 BYO Transmitters - 3 up

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 3X Transmitter

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

*We cannot broadcast your event into the stratosphere because that’s not legal. But this transmitter does broadcast pretty far.

  • UHF/RF FM Stereo Transmitter
  • Range: 200–500 meters
  • Sturdy Metal Housing
  • Channels: 10
  • Digital Channel Display
  • Ergonomic Channel Changer
  • Power Supply: 9V, 1000mA
  • 600mAh Battery
  • RCA Line Inputs
  • 3.5mm TS Mic Input
  • 1-year warranty against manufacturer’s defects
  • Optional High-gain Antenna
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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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