Eartec UltraLite 4D

Features

Designed to facilitate wireless coordination and communication, the UL4D UltraLite 4D from Eartec is a 4-person dual-eared headset system suitable for use on film sets, theatre sets, and more. Each headset weighs only 4 oz, can receive audio at a speed of 1.152 Mbps, and can last six hours before requiring a recharge, which you can accomplish via the included charging station. Its microphone can swivel 270°. When you're done, simply pack it all up in the case. These headsets will receive audio at ranges of over 1000'. 
Eartec UltraLITE are breakthrough full duplex wireless headsets that provide hands-free, two-way voice communications. At the heart of these systems is a specialty "Master" headset that relays the digital signals generated by up to three "Remote" units. The resulting open line talking pattern allows up to 4 people to talk simultaneously without pushing buttons.

Specifications

Headset
  • Standard: Digital Enhanced Cordless Telecommunications (DECT 6.0)
  • Type: 4 x dual-eared
  • Frequency: 1920 to 1930 MHz
  • Channel Bandwidth: 1.728 GHz
  • Modulation Type: GFSK
  • Transmission Speed: 1.152 Mbps (Baud rate)
  • Duplex Operation: Time Division Duplex (TDD)
  • Speech Coding: ADPCM / 32-bit/s
  • RFRF Accessing: Time Division Multiple Access (TDMA)
  • Range: 1312.3' / 400 m in open space
  • Power Supply: Rechargeable Lithium battery, 3.7 V, 800 mAh, 2.0 Wh
  • Charger: AC adapter
  1. Input: 110-40 VAC
  • Charge Time: 3 hours
  • Operation Time: 6 hours
  • Operating Temperature: 32 to 50°F / 0 to 10°C
  • Storage Temperature: 14 to 140°F / -10 to 60°C
  • Weight: ​4 oz / 113.4 g (per headset)
Packaging Info
  • Package Weight: 4.6 lb
  • Box Dimensions (LxWxH): 12.2 x 9.4 x 7.1"