Hamilton Buhl Assistive Listening System with 6 Receivers


HamiltonBuhl Assistive Listening System

Most of us take hearing for granted. Sound, such as speech, occurs somewhere in the environment around us, and we, quite simply, “hear” it. And, It is well-recognized that hearing is critical to speech and language development, communication, learning and social interactions.

Breakdown learning, communication and social barriers with the HamiltonBuhl Assistive Listening System. Separate the sound that your audience wants to hear from the background noise, and deliver it at the right amplification level, directly into the individual’s ear.

Individuals utilizing the Hamilton 700 receivers will easily achieve the required volume increase and gain the same level of understanding without making it too loud for everyone else.

A single ALS700 System transmitter can serve an unlimited number of receivers in a 150 foot range! Fully ADA compliant, the ALS700 is the ideal assistive listening system for any environment: school, movie theater, house of worship, performance theater and more.

Each System includes:

  • 1 – Transmitter
  • 6 – Receivers
  • 6 – Earbuds
  • 1 Carrying Case

Item# HAMALS700


UPC 681181621804


SKU: HAMALS700 Categories: , Tag:
Weight 5 lbs
Dimensions 1 × 1 × 1 in
Nady ALD800HH


Overall System Performance

Frequency Response 100Hz – 8KHz
Signal to Noise Ratio 41dB
Total Harmonic Distortion <0.5%
RF Carrier Frequencies Channel 1: 75.5 MHz
Channel 2: 75.9 MHz
Frequency Stability >0.005%
Modulation FM ± 75 KHz max.
Operating Range Up to 150 feet line of sight



Mic Input Connector: 1/4″ Phone jack
Impedance: Unbalanced
Line Input Connector: 1/4″ Phone jack
Impedance: 100K unbalanced
Antenna Permanently mounted, telescoping
Power Output 13dBm
Power Requirements 5V DC, regulated @ 200mA
Adapter included
Note: Do not interchange with ALS600 AC Power Adapter
Dimensions 9″ x 6.07 x 1.97″



Audio Output 100mW
Connectors 3.5mm jack for earphone output
Earphones Mono earbuds
Antenna Integral with earphone cord
Sensitivity 3uV for 12dB with squelch defeated
Squelches at 10uV for min. 50dB S/N ratio
Mute Threshold 5 – 8uV
Power Requirements Three (3) 1.5V AAA size batteries
Dimensions 2.54″ x 1,32″ x 3.92″

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