Professional Use Technology

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

How do I set up my Sound Off™ Blade 3-series system?
Blade 3 and Blade 3X Transmitters are compatible with GLO 3, GLO 3X, and GLO 3XC Headphones. Click here for our Setup Guide to using a Blade 3/3X Tra...
Thu, Mar 23, 2023 at 10:34 AM
How do I set up my Sound Off™ Blade 2-series system?
Blade 2 and Blade 2.2 Transmitters are compatible with GLO 2 Headphones and GLO 3X/3XC Headphones.  Click here for our Setup Guide to using a Blade 2/2....
Mon, Dec 6, 2021 at 8:57 AM
How do I set up my Sound Off™ Bolt 2-series system?
Bolt 2.1 and Bolt 2.2 Transmitters are compatible with GLO 2, GLO 3X, and GLO 3XC Headphones.   Click here for our Setup Guide to using a Bolt 2.1/2.2 T...
Thu, Mar 21, 2024 at 11:04 AM
How do I use my Sound Off™ BYO Receiver?
BYO Receivers are compatible with Blade 2-series Transmitters, Bolt 2-series Transmitters, and Blade 3X Transmitters.   Click here for our Setup Guide to ...
Wed, Dec 1, 2021 at 5:05 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, Dec 13, 2023 at 12:13 PM
How do I charge my Sound Off headphones?
Sound Off headphones can be charged using the provided Sound Off Squid Charger or Tentacle Charger. The charging port is below the headphone's volume co...
Wed, Dec 13, 2023 at 12:18 PM
How do I know when the headphones are finished charging?
While the headphones are charging, a small power indicator light will display red.  When they are fully charged, the indicator light will turn green.
Wed, Dec 13, 2023 at 12:23 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, Dec 13, 2023 at 12:24 PM
What is the range of my Sound Off transmitter?
The Sound Off™ Blade 2 Transmitter supports a range of 500m (approximately the length of 4 football fields), with line-of-sight. Transmission may occur outs...
Wed, Sep 2, 2020 at 6:49 PM