About this item:
Connect the wireless transmitter to any analog audio source through a 1/8" stereo mini plug and transmit audio via a dedicated FM signal, up to 300 feet, to a nearly unlimited number of wireless headphones.
With 4 different color-coded frequencies, you can easily switch between them, and with additional transmitters, you can simultaneously have up to 4 different audio broadcasting channels!
You'll get everything you need with this system, including one wireless transmitter, 12 wireless headphones, and a lockable case to carry and store your listening center. It's the perfect solution for all multimedia labs and classrooms.
This 12-Station Wireless Listening Center Includes:
(1) Wireless Multi-Channeled Transmitter (W900-Multi)
(12) Wireless Multi-Channeled Headphones (W901-Multi)
(2) AC Power Adapter (W980) for use with transmitter and headphone charging 
(NOTE: A single AC power adapter can only charge 6 wireless headphones at one time. Do not combine two 6-way charging cables with one AC Cord).
(2) 6-way charging cables (W990) for wireless headphone charging
(1) Lockable Carry Case (lock not included)
*Please Note Case shape and color are subject to change without notice.
 
IMPORTANT NOTICE: Due to this item containing a Lithium-Ion Battery, when shipping outside of the continental US, such as Alaska, Hawaii, Puerto Rico, or any destination on an island (i.e. Avalon, CA), it must ship ONLY via 2nd Day Air.

Optional Accessories (Not Included):
HygenX45- Disposable sanitary ear cushion covers (box of 50 pairs).
Portable Automatic Headphone Sanitizer (HygenX4-MIN) - Patent pending sanitizer − developed and built by HamiltonBuhl − automatically and safely sanitizes headphones and other small electronic devices with UVC light irradiation.