Open Box Nady UHF-4 LT/HM-20U (115) Headset Wireless System Black Ch 17

This Nady UHF-4/HM-20U headset wireless microphone system offers high-quality wireless performance for an amazingly affordable price. It gives you interference-free operation on select UHF frequencies, companding circuitry for an exceptional 120dB dynamic range, and clear, natural sound. The DigiTRU Diversity dual-antenna system prevents dropouts and extends its range. The Tone Squelch function blocks potential interference while full LED indicators keep you on top of things. The UHF-4 also features unbalanced 1/4", unbalanced XLR outputs, and silent transmitter on/off.

The wireless mic system includes receiver, bodypack transmitter, and HM-20U mic headset. The Nady Transmitter features status and low-battery indication and an off/standby/on switch. A 9V alkaline or NiMH battery provides 4-6 hours of continuous usage.

Nady HM-20U Headset Mic
The Nady HM-20U is a miniature unidirectional condenser headset microphone. Optimally designed for singing and speaking applications, even in noisy environments. The mic's small, lightweight design makes it ideal for handsfree use with minimum visibility. It's perfect for singer-musicians (drummers, keyboardists), vocal/dance performers, DJ's, television announcers, public speakers, and aerobics instructors.

The headset's arch-shaped rests are placed over each ear and the remainder of the band extends around the back of the head just above the neck. The tip of the supporting arches rests on the temple just in front of the ear providing the necessary stability during use. The mic boom descends from the ear on the left side.

Carefully loosen the boom by unscrewing the assembly one-quarter turn. Place the microphone capsule close to the mouth to a favorable audio position. Tighten the boom assembly. Bend the boom and headset slightly for optimum fit. Connect the Mini-XLR or 3.5mm phono plug of the microphone cable to the input jack of the bodypack transmitter or XM-10 phantom power adapter. When using a phantom power adapter, connect it to the microphone input of an audio preamp that provides phantom power.

The entire Nady HM-20U microphone assembly has been moisture-proofed to guard against deterioration during use.

Consumer Alert:

UHF-4 LT wireless mic system
Interference-free operation on select UHF frequencies within separate bands 902-928 and 944-952MHz

Receiver
Half-rack design receiver design with folding front panel dual antennas
Snap out panel locking tabs for sing/and dual receiver optional rackmounting
Tone Squelch to lock out interference
DIgiTRU Diversity technology
Full LED indicators
unbalanced and balanced output
Noisless transmitter On/Off switching

UB-4 bodypack transmitter
3 mic operating modes: Instrument (GT), Headworn(HM), and Lavalier (LT) mic
Off/Standby/On switch
Locking 3.5mm mini-jack
Accessible input level adjust control
Easily accessible input level adjust controller
Runs on single 9V alkaline or NiMH battery

HM-20U headset mic
Full-frequency, uni-directional electret condenser mic
Warm, transparent audio and maximum feedback rejection
Durable, thin metal frame easily molded to any user
Ergonomic design and comfortable fit with or without glasses, hat, or headphones (also no hairstyle hindrance)
Tiny 5mm x 8mm lightweight capsule for hours of comfortable use
Two sizes of foam windscreen included to reduce wind/popping noise
Extendable, fully adjustable boom for optimum mic capsule placement
Comes with standard XLR adapter for all wired and wireless applications

System
Frequency response: 30Hz - 18KHz, +/- 3dB
Dynamic range: 120dB
THD: < 0.6%
RF carrier frequency range: UHF, choice of single frequencies in separate bands within 794-865MHz
Frequency stability: +/- 0.005%, crystal controlled
Modulation: FM (F3E), +/- 20KHz normal
Operating Range: Up to 250 ft. typical (depending on site conditions); up to 500+ feet optimum line-of-sight

Receiver
Reception Mode: DigiTRU Diversity (Dual Antenna)
Squelch: External Control, Tone Key (30.768 KHz)
Controls: Power On/Off, Volume Control, Squelch (Mute) Adjust
Connectors: DC in, 1/4 in. unbalanced phone jack (360 mV/ no load), XLR balanced input (+/- 24 mV/ 600 Ohm load)
LED indicators: Power On, Diversity A/B, Audio LED Bars + Peak
Unwanted signal rejection: 60 dB image and spurious
Power requirements: DC 15V @ 300 mA, adapter included
Dimensions: 1.75"H x 7.5"W x 8.1"D (4.5 x 19 x 20.6 cm)
Weight: 0.9lb. (.41kg)
Antenna: 3.5", dual telescopic

HM-20U
Element: Back electret condenser
Polar pattern: Uni-directional cardioid
Frequency Response: 20Hz20KHz
Sensitivity: -46dB ±3dB
Output impedance:1KÎ ±5%
SPL max: 135dB
Power supply: 1.5-12V DC
Capsule: 5mm x 8mm
Cable: 1.5mm diameter, 1M(40")
Weight: 0.6oz.(18g)
Output connector: 3.5mm mini-locking plug or 3-pin mini-XLR
connector
Mini-XLR Wiring: GND = Pin 1, Hot (+) = Pin 3 --> 2KÎ --
> Pin 2
3.5mm Plug Wiring: GND = Sleeve, Hot (+) = Tip Foam

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