Professional Use Technology

Questions about using our professional-grade products, like RF headphones and transmitters.

What are the best practices for headphone hygiene during COVID-19?
There is currently no vaccine to prevent coronavirus disease 2019 (COVID-19). The best way to prevent illness is to avoid being exposed to this virus. Here ...
Wed, Jan 20, 2021 at 4:17 PM
How do I set up my Sound Off™ Blade 3 / GLO 3 system?
Click here for our printable guide to using a Blade 3 Transmitter with GLO 3 Headphones.   To power up the GLO 3 headphone, press and hold the tune butt...
Fri, Jul 17, 2020 at 4:19 PM
How do I set up my Sound Off™ Blade 2 / GLO 2 system?
Click here for our printable guide to using a Blade 2 Transmitter with GLO 1 or GLO 2 Headphones. 
Fri, Jul 17, 2020 at 4:19 PM
How do I set up my Sound Off™ Bolt 2 / Bolt 2.1 system?
Bolt 2.1 Mobile Transmitters are compatible with GLO 1 and GLO 2 Headphones. Click here for our printable guide to using a Bolt 2.1 Mobile Transmitter.   ...
Mon, Aug 3, 2020 at 3:01 PM
How do I use my Sound Off™ BYO Receiver?
Click here for our printable guide to using a BYO Receiver with a Blade 2, Bolt 2, or Bolt 2.1 Transmitter.  
Fri, Jul 17, 2020 at 4:19 PM
How long can I use my Sound Off headphone on a single charge?
A fully-charged Sound Off headphone will be good for 8+ hours of use.  When switched off, Sound Off headphones will hold their charge for weeks or months.
Wed, Sep 2, 2020 at 6:35 PM
How do I charge my Sound Off headphones?
GLO 2 and GLO 3 headphones can be charged using the provided charging cable. The charging port is below the headphone's volume control. While the headp...
Wed, Sep 2, 2020 at 6:45 PM
How do I know when the headphones are finished charging?
While the headphones are charging, a red indicator LED light will illuminate. When they are fully charged, the indicator light will turn green or blue.
Wed, May 12, 2021 at 3:27 PM
How often should I charge my Sound Off headphones?
We recommend charging Sound Off headphones at the end of each day of use. This way you know they're ready to go the next day.
Wed, Sep 2, 2020 at 6:37 PM
I'm renting Sound Off headphones. Will I need to charge them myself?
Our rentals headphones will arrive fully charged and have a battery life of 8+ hours. For long events, we recommend not powering on the headphones until you...
Wed, Sep 2, 2020 at 6:46 PM