A receiver with 8 discrete UHF channels and 8 rugged hand-held transmitters.

This Nady U-81 OCTAVO Wireless System is a professional 8-channel UHF wireless system which offers clear, natural-sounding wireless, providing you with 8 UB-81 bodypack transmitters with lavalier microphones. The Nady U-81 OCTAVO delivers eight discrete channels on selected frequency bands 902-928MHz and 944-952MHz for interference-free performance in any application or locale. The wireless mic system also features Nady's proprietary companding and low noise circuit for an industry best 120dB dynamic range.

UH-81 Handheld Transmitter
The Nady DM-50D neodymium cartridge in each UH-81 handheld transmitter helps them deliver transparent vocals, maximum feedback rejection, and minimal handling noise. They also have an On/Standby/Off switch for convenient audio muting, a status/low battery LED indicator, and are made of rugged ABS and rubber-coated housing with integral antennas.

Nady U-81 OCTAVO Handheld Wireless System (10/11/12/14/15/16/17/18) Features:

• Nady wireless mic system includes:
• 1 U-81 OCTAVO Wireless System
• 8 UH-81 Handheld Transmitters
  
  Overall
• Operates on select UHF frequencies
• Eight independent single-channel UHF wireless receivers in a single housing for simultaneous operation of up to eight transmitters
• Front-panel LED display indicates the RF and AF status for each channel
• Ch. 1-8 individually balanced XLR Mic Level outputs and unbalanced Line Level sum 1/4" jack output for 8-in-1 mix audio output with separate volume control for each channel
• Nady's exclusive patented companding circuitry with 120dB dynamic range and highest-quality audio for unsurpassed UHF performance
• Dual removable high-gain antennas with TNC connector, front or back mounting
• Standard 19" 1U, all-metal rackmount housing
• Externally powered with AC/DC adapter (included)
  
  UH-81 Handheld Microphone Transmitter:
• Nady DM-50D neodymium cartridge delivers transparent vocals, maximum feedback rejection and minimal handling noise
• On/Standby/Off switch allows convenient audio muting while transmitter on
• Status LED indicator flashes once for Unit On; lights steady for Low Battery Alert
• Uses two AA alkaline or NiMH batteries
• Rugged ABS and rubber-coated housing with integral antenna

Order the U-81 OCTAVO wireless system for tons of mobility with excellent audio!

Nady U-81 OCTAVO Handheld Wireless System (10/11/12/14/15/16/17/18) Specifications:

• Overall
• RF carrier frequencies: Selected factory installed frequencies between 902-928MHz and 944-952MHz
• Frequency stability : ±0.005% (Crystal Controlled)
• Audio deviation: FM ±20kHz normal, ±50kHz maximum
• Frequency response: 20Hz-20kHz, -3dB
• Dynamic range: 120dB
• Harmonic distortion: 0.5% THD, normal
• Operating range: 250 feet normal, 500+feet max line of sight
  
  Wireless Receiver
• Reception: Mono antenna reception
• Antennas: 10" (25.4cm) Dual adjustable angle
• Mute threshold: -95dBm (none-adjustable)
• Image rejection: -70dB, minimum
• Balanced output (Audio outputs): ±24mV fixed level (600Ω)
• Unbalanced MIX output (Audio output): 360mV variable level (Open load)
• Connectors: Balanced-XLR; Unbalanced-1/4" TS; Antennas-TNC connector; DC in; 2.1mm barrel type
• Indicators: Power On, RF, and AF LEDs
• Controls: Power ON/OFF buttons, Volume Controls
• Power requirement: 15VDC/1200mA
• Dimensions (WxDxH): 14.25" x 12" x 1.75, (36.20cm x 30.50cm x 4.45cm)
• Weight: 7.20lb. (3.37kg)
  
  UH-81 Handheld Transmitter
• Input Connectors: UH-Integral Nady DM-50D neodymium dynamic cartridge
• Controls: UH-81: Power ON/STDBY/OFF
• RF Power: 20mW normal (50mW Maximum allowed by FCC) Harmonics and Spurs: < -50dB
• Antennas: Internal antennas
• LED Indicators: Single LED flashes once for "ON," lights steady for "LOW BAT"
• Battery: 2xAA Alkaline or NiMH batteries
• Battery Life: 8-10 hours (Alkaline)
• Dimensions: 10.5" x 1.875", 26.7cm x 4.8cm
• Weight: 7.5oz. (213g) without battery