HamiltonBuhl 12 Person Wireless Listening Center with Carry/Storage CaseGo wireless in your classroom with plug and play simplicity.Connect the wireless transmitter to any analog audio source through 1/8" stereo mini plug and transmit audio via 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 have up to 4 different channels of audio broadcasting simultaneously!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 is only capable of charging 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)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.
Specifications for W900-Multi Wireless Transmitter:Range: ± 300 feet4 switchable FM frequencies72.500 MHz - Blue72.100 MHz - Yellow72.900 MHz - Green74.700 MHz - OrangeDedicated FM channelsColor-coded frequency switchesAC power adapter for charging transmitterSuperb sound without cords or wires - no interference from other electronic equipmentListen with an infinite number of headphones on one frequency with one transmitterSpecifications for W901-MULTI Headphones:Multi-channel wireless headphonesNo antenna on headphoneUp to 35 hours of operating time between charges, with 12 to 14 hour charge timeTwo 6-way charging cables AC power adapter for charging up to 6 headphones (NOTE: Do not charge all 12 headphones with one AC power adapter. Use transmitter AC power adapter to charge additional 6 headphones).Superb sound quality without wires or interferencePowered by classroom friendly internal NiMH batterySwitchable between 4 frequencies