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Nady ALD-800 Wireless Assistive Listening System (HH: 75.9MHz)

B&H # NAALD800HH Mfr # ALD 800/HH
In Stock
Free Expedited Shipping
You Pay: $409.99
Product Highlights
  • Base Station Transmitter
  • 4 Beltpack Receivers
  • Up to 300' Range
  • Mic and Line Inputs
  • Intuitive Controls
  • Earbuds Included

The ALD-800 from Nady is a versatile VHF wireless assistive listening system that allows you to share an audio source with multiple listeners up to 300' away, ideal for museums, theaters, houses of worship, educational facilities, and more. The system includes a base station transmitter and 4 beltpack receivers. The system can support an unlimited number of receivers (sold separately), allowing you to add as many listeners as you like. The system is pre-tuned to 1 of 8 channels designated for listening assistance by the FCC. This provides clear transmission, and also allows you to set up multiple systems for different applications in the same vicinity.

The transmitter has mic and line level 1/4" input connectors with a manual input gain control. It also offers an automatic level control function. It has an extendable and positionable antenna, and LED indicators to show when the unit is turned on and transmitting audio. The transmitter operates on DC power via the included wall adapter.

Each beltpack receiver is compact and lightweight, fitting easily into a pocket or clipping to clothing. The top panel offers a power/volume wheel with a power LED indicator. A standard 3.5mm headphone jack accommodates the included stereo earbuds, or most other consumer headphones. The receiver uses the headphone cable as the antenna to minimize bulk and weight. Each receiver operates on a single 9V battery.

Note! Additional systems are available separately in 7 other pre-tuned frequencies from 72-76MHz.

System

VHF transmission provides a wireless range of up to 300'
Includes a base station transmitter and 4 beltpack receivers. The system can support an unlimited number of receivers (sold separately), allowing you to add as many listeners as you like
Pre-tuned to 1 of 8 channels in the 72-76MHz band designated for listening assistance by the FCC. This provides clear transmission, and also allows you to set up multiple systems for different applications in the same vicinity 1

Transmitter

Compact base station design
Mic and line level 1/4" input connectors with a manual input gain control. An automatic level control function is also provided
Extendable and positionable antenna
LED indicators show when the unit is turned on and transmitting audio
Operates on DC power via the included wall adapter

Receiver

Compact and lightweight design fits easily into a pocket or clips to clothing
Top panel offers an easy-to-use power/volume wheel with a power LED indicator
The standard 3.5mm headphone jack accommodates the included stereo earbuds, or most other consumer headphones
The receiver uses the headphone cable as the antenna to minimize bulk and weight
Operates on a single 9V battery
System
Frequency Response 100Hz - 15kHz ±3dB
Signal to Noise Ratio 60dB
Total Harmonic Distortion (THD) < 0.5%
Carrier Frequency HH: 75.9MHz
Frequency Stability > 0.005%
Modulation FM, ±75kHz Max
Wireless Range Up to 300' (91 m) Line-Of-Sight
Transmitter
Inputs 1 x 1/4" Mic Input (9VDC @ 1mA for Condenser Mic)
1 x 1/4" Line Input
Input Impedance Line: 100 kOhms
Output Power 80,000µV @ 3 m
Controls and Indicators 1 x Power Switch
1 x Audio Input Gain Knob
1 x Power LED
1 x Audio Modulation LED
Antenna Permanently Mounted Telescoping Whip
Power Requirements 9VDC, Regulated @ 200mA, Adapter Included
Dimensions (HxWxD) 1.25 x 8.25 x 4.25" (32 x 209 x 108mm)
Weight 18.2 oz (500g)
Receiver
Audio Output 250mW Max into 16 Ohms
Connectors 3.5mm Stereo Headphone Jack
Controls and Indicators 1 x Power/Volume Wheel
Antenna Uses Headphone Cable (Earbuds Included)
Sensitivity 2µV for 12dB Sinad with Squelch Defeated, Squelches at 10µV for Minimum 50dB S/N Ratio
Mute Mute Threshold: 8-10µV
Battery Type/Life 1 x 9V Alkaline, Approx 17-20 Hours
Dimensions (HxWxD) 3.35 x 2.75 x 0.75" (85 x 65 x 23mm)
Weight 2.65 oz (73g) (Without Battery)
Nady ALD-800 Wireless Assistive Listening System (HH: 75.9MHz)
  • Transmitter
  • DC Adapter
  • 4 x Receivers
  • 4 x Earbuds
  • 1-Year Limited Warranty
  • Batteries & Power

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    • You Pay: $3.69
     
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    • You Pay: $3.19
     

    Headsets & Earpieces

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    Shure -  SE425 Sound Isolating In-Ear Stereo Headphones (Clear)
    • You Pay: $299.00
     

    Transmitters & Receivers

    Nady -  RFD Hearing Assistance Receiver (HH Channel)
    • You Pay: $49.95
     
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