$175.00 per ea

Quantity Price
ea $175.00
2+ $150.00
per ea
All prices shown are (inc. GST)


The A 4489 zone relay unit has been designed to switch either low level inputs or amplifier outputs. This is selected by the user as required. Suits for line level or 100V line zone switching. The A 4489 is powered via the supplied M 8968B 24V dc plugpack
A maximum of two A 4488 paging consoles can be connected to the A 4489 Audio Switcher at the same time. These work in a “first in, best dressed” arrangement. Each unit must be assigned an ID number through DIP switch settings on the rear of the unit.
The A 4489 Audio Switcher provides a Microphone level or Line level output which can be connected directly to the inputs of up to four amplifiers to provide up to four zones of audio. Connection between the A 4488 and A 4489 is via a Cat5e cable which carries power and the balanced audio output from the microphone.

100% developed, designed & assembled in Australia.
Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support. Read more about our Australian Made products

Backed by an industry leading 10 Year Manufacturer Warranty.
Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service. Read more about our industry leading warranty.

Information & Downloads


  • Impedance: 500Ω
  • Sensitivity: -76dB ±3dB
  • Frequency response: 100Hz-10kHz
  • Length: ≈325mm
  • Polar pattern: Cardioid (unidirectional)
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 10 years warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.

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