• Full-featured 4 channel system with 4 independent 144-channel UHF PLL receivers in a single 1U rack housing for simultaneous operation of 4 transmitters
  
• ASC™ Auto-Sync Channel transfer of frequency selected from receiver to transmitter via infrared (IR) download with a single touch for easy setup
  
• Interference-free operation in any application or locale on select UHF frequencies from 538-560MHz
  
• Proprietary companding circuitry for an industry-best 120dB Dynamic Range and the clearest, most natural sound available
  
• Choice of 4 transmitters: UH-144 handheld mic and UB-144 bodypack transmitters
  
• Operating Range: Up to 250 ft. typical (depending on the site conditions) — up to 500+feet line-of-sight

4U-144 QUAD — Receivers:

• Rugged 1U rackmountable quad receiver with dual removable rear mount antennas
  
• Nady’s proprietary DigiTRU Diversity™ microprocessor circuitry for maximum range and dropout protection
  
• Each of 4 receivers with following features: Front panel POWER on/off switch; Antenna A/B selected and AF Peak LED indicators; frequency selection with SET, UP/DOWN select buttons; backlit LCD display with 5-segment RF signal strength received and AF level, and Group/Channel (9/16), channel and operating frequency selected readouts, flashing ASC™ downloading indicator; ASC™ button with infrared LED emitter for frequency/channel selected download to the transmitter with a single touch for easy setup
  
• External adjustable mute for each channel to eliminate RF interference
  
• Back panel CH 1-4 individual balanced MIC level XLR outputs, and 1/4” LINE or XLR balanced SUM outputs (4 in 1 MIX–CH 1+2+3+4)
  
• Externally powered by AC/DC adapter

UH-144 — Handheld Microphone Transmitter:

• Features a neodymium cardioid dynamic cartridge for optimum true sound, feedback rejection and minimal handling noise
  
• Simple operation with power switch and choice of 144 UHF PLL frequencies selected via the ASC™ function with IR auto download from the receiver
  
• Backlit LCD display with 4 segment battery level indicator and flashing low battery alert, and group/channel numbers downloaded from receiver
  
• 2 X AA alkaline or NiMH battery operation

UB-144 — Bodypack Transmitter:

• Choice of instrument or headworn/lavalier microphone bodyback transmitter
  
• 3.5mm locking mini-plug connector
  
• Simple operation with ON/STDBY/OFF button and choice of 144 UHF PLL frequencies selected via the ASC™ function with IR auto download from the receiver
  
• Backlit LCD display with 4 segment battery level indicator and flashing low battery alert, and group/channel numbers downloaded from receiver
  
• 2 X AA alkaline or NiMH battery operation