Professional Use Technology

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

What's the difference between the personal & professional headphones?
Our personal headphones (Gotham Headphones) use a bluetooth, one-to-one device connection. Sound Off™ professional headphones use Radio Frequency (RF) techn...
Fri, Dec 13, 2019 at 3:25 PM
How do I charge the GLO headsets?
The headphones charge using the provided USB cable. The charging port is below the volume knob. When the headphones are charging, a red indicator LED light ...
Fri, Dec 13, 2019 at 3:24 PM
What’s the difference between GLO1 and GLO2 Headphones? How can I tell the difference?
The GLO1 Headphones display three LED colors — red, green, and blue. The GLO2 Headphones can display 6 different LED colors — red, green, blue, crystal, cya...
Fri, Dec 13, 2019 at 3:29 PM
How do I select what LED colors display?
Assignment of LED colors is controlled by the event coordinator / technician through use of a K1 Controller. This is an additional piece of equipment and re...
Tue, Jan 28, 2020 at 2:01 PM
Are the headphones branded?
Yes, they have our logo on the headphone caps. However, please contact us for custom headphone branding and white labeling options for your event.
Fri, Dec 13, 2019 at 3:34 PM
When my GLO1 / GLO2 Headphones are charging, what do the red and green lights mean?
The Sound Off™ GLO headsets have a channel indicator light that can be blue, red, or green. When the headphones are charging, the red indicator LED light wi...
Fri, Dec 13, 2019 at 3:35 PM
How long do the headphone batteries last?
The batteries last up to 12 hours on a full charge.
Fri, Dec 13, 2019 at 3:35 PM
Do the headphones need charging before my event?
Our rentals come fully charged and have a battery life of 8 to 12 hours. For events that run long, we recommend powering off the units until they will be in...
Fri, Dec 13, 2019 at 3:36 PM
What range will Sound Off™ Headphones support?
The BLADE Transmitter supports a range of 500m (approximately the length of 4 football fields). Transmission may occur outside of that range but with degrad...
Tue, Jan 28, 2020 at 2:01 PM
What is a transmitter?
A transmitter is the device we use to create a private radio station between your audio source and the wireless headsets. It is the heartbeat of a Sound Off...
Fri, Dec 13, 2019 at 3:37 PM