The Hamilton W904 Wireless Listening Center is perfect for all multimedia, lab and classroom applications. Each system includes one transmitter and four headphones. Both transmitter and headphones can be switched between 4 different color-coded frequencies; add additional transmitters to have up to 4 different channels of audio simultaneously!Go Wireless in your classroom with plug and play simplicity.

This Wireless Listening Center Includes:

(1) W900-Multi Wireless Transmitter

Transmits high quality audio via VHF to W901 series headphones within a 300 foot range.  Connects to any analog audio source through a 1/8” stereo mini jack.  Switchable between 4 frequencies: 

• Blue - 72.500 MHz
• Yellow - 72.100 MHz
• Green - 72.900 MHz
• Orange - 74.700 MHz

(4) W901-Multi - Multi Channeled Wireless Headphone

Multi-channeled headphone. Get 50 hours of listening time between charges with only an 8 hour charge time. Superb sound quality without wires or interference. Powered by classroom friendly internal NiMH battery. NO TOXIC CHEMICALS - MERCURY FREE

Switchable between 4 frequencies: 

• Blue - 72.500 MHz
• Yellow - 72.100 MHz
• Green - 72.900 MHz
• Orange - 74.700 MHz

Product Features:

• Superb sound without cords or wires - no interference from other electronic equipment
• Operates on dedicated channels
• No external antenna on the headphone
• Listen with an infinite number of headphones on one frequency with one transmitter
• LED charging indicator light lets you know when headphones are fully charged
• 40 hours of operating time between charges, 8 hour charging time
• One (1) year warranty.