Sound OffTM  offers the best
in wireless technology

From personal wireless headphones on your subway ride to a city block of synchronized
headset-wearing flash mobbers, you’ll have unforgettable experiences with Sound Off
wireless technology.

Sound Off

For Professional Use

Headphones

Sound Off GLO 3 Headphones

The premier solution for conferences, meetings, and similar events: ten channels of audio input 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
  • “Silent Light 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
  • Cushioned adjustable headband
  • Low-profile flat-folding headphone design
  • 12 hours of battery
  • Power-saving features to increase battery life
  • Rechargeable lithium-polymer battery (600mAh)
  • NFC technology
  • 1-year warranty against manufacturer’s defects

Sound Off GLO 2 Headphones

Our most versatile and widely used model for any kind of 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
  • 11 hours of battery
  • Rechargeable lithium-polymer battery (300mAh)
  • NFC technology
  • 1-year warranty against manufacturer’s defects
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 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 line out
  • Sturdy plastic casing with belt clip
  • Ergonomic multifunction button
  • 11 hours of battery
  • Rechargeable lithium-polymer battery (300mAh)
  • 1-year warranty against manufacturer’s defects
Sound Off BYO Transmitters - 3 up

Transmitters

Sound Off Blade 2 Transmitter

The Blade 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 a GLO 2 Headphone, 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 yards
  • Sturdy metal housing
  • Digital channel display
  • 3 channels; ergonomic channel changer
  • Power supply: 12V, 1-1.3A
  • Available LED controller
Blade-2-2020-v2

Sound Off Blade 3 Transmitter

The more buttoned-up cousin of the Blade 2. Available with XLR inputs, the ability to broadcast up to five audio channels, 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 yards
  • Sturdy metal housing
  • Input: XLR or RCA
  • Digital channel display
  • Ergonomic channel changer
  • 5 channels
  • Power supply: 12V, 1-1.3A
  • 600mAh battery
  • Mic line in
  • High-gain antenna available
Blade3-2020

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 omnidirectional microphone, the Bolt 2.2 transmitter is ideal for leaders of guided tours and other mobile events, enabling them to be heard with our without music.

  • UHF/RF FM stereo transmitter
  • Range: 300 yards
  • Sturdy plastic housing with belt clip
  • Digital channel display
  • 3 channels; ergonomic channel changer
  • Power supply: 12V, 1-1.3A
  • Storage case, belt case, and omnidirectional lavalier microphone included
  • Compatible with GLO 1 and GLO 2 Headphones and BYO Receiver
  • Works with K1 Controller

Sound Off

For Personal Use

Sound Off Gotham Headphones

Designed to stay on during downward dog while delivering the most immersive sound meditation you’ve ever experienced. These noise-isolating wireless headphones feature crisp vocals, powerful bass delivered by 40mm drivers with IDB (immersive dynamic bass) technology, and a cool blue LED that will make you the talk of the town.

Bluetooth 4.1
+ EDR

Embedded
Microphone

Super
Comfortable

11 Hours of
Battery

30-foot
Range

Free
Shipping

1-year
Warranty