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Nady U-41 / U-81
A reliable/affordable UHF system for multiple simultaneous wireless

$99.99$949.99

  • Robust PLL UHF performance with proprietary companding and low-noise circuitry for increased dynamic range. 8 Microphone level XLR and one mixed line level ¼” outputs for added flexibility.
  • Eight HT-8U Handheld Microphones with the DM-50D neodymium cartridge for transparent vocals, maximum feedback rejection and minimal handling noise. On/Standby/Off switch allows convenient muting while transmitter on. LED provides quick battery status.
  • Receiver unit features 8 independent level controls, LED display indicates RF and AF status for each channel. Dual antennas with TNC connector, front or back mounting - 19” 1U, all-metal rack mount housing - Externally powered with included AC adapter.
  • Compact – perfect for groups & ensembles, karaoke, this system has minimal footprint and won’t take a lot of room. Great for small venues or clubs where space is a limitation.
  • Box contents: U-81 Octo receiver, 8 x UH-81 Handheld microphones, AC adapter, 2 x Rackmount Ears & screws, 2 x removable antennas with 2 x connecting extenders for front mounting, manual.
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Description

A reliable and affordable solution with Eight independent wireless receivers in a single housing for simultaneous operation of eight wireless transmitters

The Nady U-81 OCTAVO is an 8-transmitter UHF wireless system offering clear sound in a compact and convenient size. It features eight discrete channels on selected UHF frequencies for interference-free performance in any location. Great for theaters, music venues, conference rooms, etc., this system is very simple to set up and use.

Just connect the receiver to your mixer/amplifier and you are good to go. The microphones automatically pair with the receiver when they are turned on (batteries not included).

Specifications
OVERALL SYSTEM PERFORMANCE
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
THD: 0.5%
Operating Range: 250 feet typical

RECEIVER
Reception: Mono antenna reception
Image Rejection: -70dB, minimum
Audio Output Levels:
Balanced XLR: ±24mV fixed level (600 Ohms)
Unbalanced ¼” TS: ±360mV variable level (Open load)
Indicators: Power On, RF and AF LEDs
Power Requirement: 15VDC/1200mA
Dimensions: 14.25” x 12” x 1.75 [W / D / H]
Weight: 7.20 lbs

UH-81 Wireless Handheld Microphone
Element: Nady DM-50D neodymium dynamic cartridge
Controls: Power ON/STDBY/OFF
RF Power: 20mW normal
Harmonics and Spurs: < -50 dB
LED Indicators: Single LED flashes once for “ON”, lights steady for low battery alert
Battery type: 2 x AA Alkaline or NiMH batteries
Battery Life: 8-10 Hours (Alkaline)
Dimensions & weight: 10.5”x 1.875” / 7.5 oz without battery

UB-81 Wireless Bodypack Transmitter
Input Connector: 3.5mm locking mini-jack
Controls: Power ON/STDBY/OFF, Input Level Control (LT/HM)
RF Power: 20mW normal
Harmonics and Spurs: < -50 dB
LED Indicators: Single LED flashes once for “ON”, lights steady for low battery alert
Battery: Single 9V Alkaline or NiMH battery
Battery Life: 8-10 Hours (Alkaline)
Dimensions & weight: 4.25” x 2.5”x 1.0” / 3.1 oz without battery

Specifications OVERALL SYSTEM PERFORMANCE 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 THD: 0.5% Operating Range: 250 feet typical RECEIVER Reception: Mono antenna reception Image Rejection: -70dB, minimum Audio Output Levels: Balanced XLR: ±24mV fixed level (600 Ohms) Unbalanced ¼” TS: ±360mV variable level (Open load) Indicators: Power On, RF and AF LEDs Power Requirement: 15VDC/1200mA Dimensions: 14.25” x 12” x 1.75 [W / D / H] Weight: 7.20 lbs UH-81 Wireless Handheld Microphone Element: Nady DM-50D neodymium dynamic cartridge Controls: Power ON/STDBY/OFF RF Power: 20mW normal Harmonics and Spurs: < -50 dB LED Indicators: Single LED flashes once for “ON”, lights steady for low battery alert Battery type: 2 x AA Alkaline or NiMH batteries Battery Life: 8-10 Hours (Alkaline) Dimensions & weight: 10.5”x 1.875” / 7.5 oz without battery UB-81 Wireless Bodypack Transmitter Input Connector: 3.5mm locking mini-jack Controls: Power ON/STDBY/OFF, Input Level Control (LT/HM) RF Power: 20mW normal Harmonics and Spurs: < -50 dB LED Indicators: Single LED flashes once for “ON”, lights steady for low battery alert Battery: Single 9V Alkaline or NiMH battery Battery Life: 8-10 Hours (Alkaline) Dimensions & weight: 4.25” x 2.5”x 1.0” / 3.1 oz without battery