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HamiltonBuhl ALS700 Assistive Listening System and Accessories


FREE Shipping on the KALHEAR until November 8, 2016

Extended Warranty Available!

6-Person Assisted Listening System that easily separates background noise from your message!

Availability: Available For Order

Image SKU Product Name Price Qty
KALHEAR HamiltonBuhl ALS700 Assistive Listening System
KALHEART Additional Transmitter for ALS700
KALHEARR Additional Receiver for ALS700
KALHBUD Additional Earbuds for ALS700
KALHS Additional Mono Headset for ALS700
WARRADD1A Additional 1 Year Warranty on KALHEAR
HamiltonBuhl ALS700 Assistive Listening System and Accessories

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The HamiltonBuhl ALS700 makes spreading the word easier!

These receivers will easily achieve a desirable volume without any difficulty and will provide you with the extra amplification for all of your services. Each individual transmitter can serve an unlimited number of receivers within a 150-foot range. Selectable frequency transmitter and receivers allows you to use two different transmitters to convey two different messages in the same room - great for delivering both translation and listening support at the same time!


Additional Information


Each ALS700 System includes:

  • 1 - Transmitter
  • 6 - Receivers
  • 6 - Earbuds (on-ear headphones are available with ALSH700 System)
  • 18 - AAABatteries
  • 1 - Storage/Carrying Case
  • Includes a 1 Year Manufacturer's Warranty
Technical Specifications

Overall System Performance

Frequency Response 100Hz - 8KHz 
Signal to Noise Ratio  41dB
Total Harmonic Distortion   <0.5%
RF Carrier Frequencies Channel 1: 75.5MHz
Channel 2: 75.9MHz 
Frequency Stability >0.005%
Modulation FM ± 75KHz 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
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

Includes a 1 Year Manufacturer's Warranty


2.54" x 1,32" x 3.92"

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