Public Address (PA) Amplifier 15W A4017

SKU: 9321758173435


Super compact with surprising performance specifications, intended for smaller PA system applications. Our engineering team based the design around a National TDA1519 monolithic IC achieving virtually “destruction proof” operation under quite severe misuse such as over temperature, over voltage, over load and short circuit speaker line conditions.

The amplifier is extremely stable even where microphone (balanced line) and speaker cables are run together for long distances. The unit will automatically shut down when severely overloaded and will restore to normal operation when the fault condition is removed.

Suitable as a stand alone desk/bench unit or rack mount with optional hardware. Up to 2 units can be accommodated side by side in 1RU of rack space (44mm high). 12VDC (includes M8936 plugpack) operation makes it well suited for use in tour buses and mobile installations.


  • 15W RMS Output
  • Headphone Socket
  • 1 balanced XLR and unbalanced jack mic input
  • Selectable 12V DC Phantom Power on Mic Input
  • 1 Auxiliary Input
  • Music Input on Front Panel
  • 4-16Ω Output
  • Selectable Aux Input Sensitivity
  • 12V DC operation (includes M8936 power supply)
  • Power Status Indicator

Rack Mounting
To mount any of the Redback half rack products into a 19" wide racking system, the H 4990 bracket is required. If a single product is mounted into the H 4990, then a metal (H 4992) or plastic (H 4993) infill panel can be fitted for a neater finish.

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. 

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. 



Power Output
  • Power: 15 watts RMS
  • Distortion: < 3% @ 1kHz
  • Signal to Noise Ratio: Typically > 75dB
Frequency Response
  • Mic input: 50Hz - 10kHz, -3dB
  • Line input: 50Hz - 15kHz, -3dB
Input Sensitivity:
  • Mic: Rear 1.5mV balanced, Front 1.5mV unbalanced
  • Line input: 500mV
Output Connectors
  • Speakers: Screw terminals
  • Output impedance: 4-16Ω
Input Connectors
  • Mic : Rear 3 pin XLR balanced, Front 6.35mm jack unbalanced
  • Line input: RCA stereo socket, bridged mono
  • 12V DC power: 2.1mm socket
  • Mic input: Volume
  • Line input: Volume
  • Power: On/off switch
  • Indicators: Power
  • Power supply: 12V DC
  • Protection: 3A DC fuse
  • Weight: 0.38kg
  • Dimensions: 210W x 130D x 44H mm
  • Colour: Black

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