Signal Processors

A wide selection audio public address signal processing equipment. Ideal for use in commercial audio systems. Parametric equalisers, DI boxes, compressors, pre-amplifiers, limiters, hum eliminators and level converters available. Locally developed audio products for professional PA use.

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This Dual 3 pin XLR Line/Balanced input wallplate can be used in a stand-alone point to point basis, allowing balanced signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
A4825

Dual 3 Pin XLR Input UTP Balun Wallplate

This Dual 3 pin XLR Line/Balanced input wallplate can be used in a stand-alone point to point basis, allowing balanced signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
$259.09
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This Microphone/Line Hub is designed to accept audio from up to four A 4931 Mic/Line Preamp wallplates. The Hub has a dedicated output for each wall plate, with front mounted volume controls for each output.
A4930

Four Output Microphone/Line Hub

This Microphone/Line Hub is designed to accept audio from up to four A 4931 Mic/Line Preamp wallplates. The Hub has a dedicated output for each wall plate, with front mounted volume controls for each output.
$390.91
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This single channel headphone amplifier is ideal for systems requiring additional audio level due to impedance differences between the audio source and headphone.
A3196

Headphone Amplifier

This single channel headphone amplifier is ideal for systems requiring additional audio level due to impedance differences between the audio source and headphone.
$53.64
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A very handy 2 channel inline transformer coupler enabling the interconnection of audio modules without introducing hum and buzz, etc. 

Typical uses are:
* Car sound - Enabling connection from receiver/player to power amplifier

* Home theatre / Hi-
C9555A

Hum and Noise Eliminating Audio Coupler

A very handy 2 channel inline transformer coupler enabling the interconnection of audio modules without introducing hum and buzz, etc.
$18.14
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A very handy 2 channel inline transformer coupler enabling the interconnection of audio modules without introducing hum and buzz, etc. 
uses stereo 3.5mm connections
C9556

Hum and Noise Eliminating Audio Coupler 3.5mm

A very handy 2 channel inline transformer coupler enabling the interconnection of audio modules without introducing hum and buzz, etc. Uses stereo 3.5mm connections
$18.14
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Balanced 10k&#937 to 10k&#937 balanced 3 pin male XLR with earth lift switch.
A2524

Line Isolation Transformer 10k ohms to 10k ohms XLR

Balanced 10kΩ to 10kΩ balanced 3 pin male XLR with earth lift switch.
$44.50
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Balanced 600&#937 to 600&#937 balanced 3 pin male XLR with earth lift switch.
A2522

Line Isolation Transformer 10k ohms to 600 ohms XLR

Balanced 600Ω to 600Ω balanced 3 pin male XLR with earth lift switch.
$44.50
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Balanced 600&#937 to 600&#937 balanced 3 pin male XLR with earth lift switch.
A2519

Line Isolation Transformer 600 ohms to 600 ohms XLR

Balanced 600Ω to 600Ω balanced 3 pin male XLR with earth lift switch.
$44.50
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This compact module is designed to go inline with an audio input source like CD/Blu-Ray etc to the input of a mixer or amplifier. It maintains a constant level to the mixer/amp regardless of the amplitude of the input signal.
A4948

Line Level Compressor/Limiter

This compact module is designed to go inline with an audio input source like CD/Blu-Ray etc to the input of a mixer or amplifier. It maintains a constant level to the mixer/amp regardless of the amplitude of the input signal.
Australian Made
$172.73
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A compact system hub for interfacing input and output wallplates together with existing zone audio amplifiers and audio sources.
A4832

Local Input/Output Hub Interface Box

A compact system hub for interfacing input and output wallplates together with existing zone audio amplifiers and audio sources.
$218.18
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This line pre-amp will accept either a microphone or auxiliary input and convert it to a balanced high level signal suitable for distribution up to 500M without interference with up to 3V of output level available. Volume controls are provided for both inputs plus a master volume control. The microphone is a balanced XLR input whilst the auxiliary
A4905

Mic/Line Pre-Amplifier to Line Level Out Converter

This line pre-amp will accept either a microphone or auxiliary input and convert it to a balanced high level signal suitable for distribution up to 500M without interference with up to 3V of output level available. Volume controls are provided for both inputs plus a master volume control.
$177.27
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The A 4906 is a versatile unit which accepts either a line level signal, balanced microphone signal or 100V input signal.
The output signal is a line level signal suitable for feeding into an amplifier.
A4906

Mic/Line/100V Input to Line +24V Switched Output

The A 4906 is a versatile unit which accepts either a line level signal, balanced microphone signal or 100V input signal. The output signal is a line level signal suitable for feeding into an amplifier.
$172.73
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This mic/line pre-amp wallplate accepts either a microphone or line input and converts the signal to a balanced high level output. The 3V output signal is carried via Cat5e cable, (suitable for distribution up to 300m without interference) back to the A 4930 Hub.
A4931

Microphone/Line Pre Amplifier Wallplate

This mic/line pre-amp wallplate accepts either a microphone or line input and converts the signal to a balanced high level output. The 3V output signal is carried via Cat5e cable, (suitable for distribution up to 300m without interference) back to the A 4930 Hub.
$181.82
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This mic/line pre-amp wallplate accepts either a microphone or line input and converts the signal to a balanced high level output. The 3V output signal is carried via Cat5e cable, (suitable for distribution up to 300m without interference) back to the A 4930 Hub.
A4931V

Microphone/Line Pre Amplifier Wallplate

This mic/line pre-amp wallplate accepts either a microphone or line input and converts the signal to a balanced high level output. The 3V output signal is carried via Cat5e cable, (suitable for distribution up to 300m without interference) back to the A 4930 Hub.
$181.82
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Direct injection (DI) boxes are used to convert high impedance unbalanced signals from guitars or other musical instrument pickups to a low level balanced output signal. This enables the signal to be transported over long distances without picking up noise or hum. Earth and hum loops are isolated from powered equipment such as keyboards.
A2510A

Passive DI Box

Converts high impedance unbalanced signals from guitars or other musical instrument pickups to a low level balanced output signal.
$34.09
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This phono preamp can be used to raise your turntable's output to make it compatible with modern amplifiers. At the same time, it adds standardised equalisation. Users may need this phono preamp because their turntable either doesn't have one, in which case they won't be able to play records without one.
A3052

Phono Preamp with AUX input

This phono preamp can be used to raise your turntable's output to make it compatible with modern amplifiers. At the same time, it adds standardised equalisation. Users may need this phono preamp because their turntable either doesn't have one, in which case they won't be able to play records without one.
$77.27
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A single mic/line output box designed to operate with A 4931 and A 4932 zone connection boxes.
A4928

Single Output Microphone/Line Hub

A single mic/line output box designed to operate with A 4931 and A 4932 zone connection boxes.
$200.00
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This Stereo RCA and 3.5mm Jack Wallaplate can be used in a stand-alone point to point basis, allowing signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
A4821

Stereo RCA and 3.5mm Jack Input UTP Balun Wallplate

This Stereo RCA and 3.5mm Jack Wallaplate can be used in a stand-alone point to point basis, allowing signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
$177.27
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This Stereo RCA input wallplate can be used in a stand-alone point to point basis, allowing signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
A4822

Stereo RCA Input UTP Balun Wallplate

This Stereo RCA input wallplate can be used in a stand-alone point to point basis, allowing signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
$168.18
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This Stereo RCA Jack output wallplate can be used in a stand-alone point to point basis, allowing balanced signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
A4828

Stereo RCA Jack Output UTP Balun Wallplate

This Stereo RCA Jack output wallplate can be used in a stand-alone point to point basis, allowing balanced signals to be sent over long distances (up to 600m depending on cable used and configuration of plates).
$177.27
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The Redback® A 4956 is a compact stereo line level amplifier, ideal for boosting low-level RCA audio signals from devices such as tablets and smartphones when connecting to PA audio systems
A4956

Stereo RCA to RCA Pre Amplifer

The Redback® A 4956 is a compact stereo line level amplifier, ideal for boosting low-level RCA audio signals from devices such as tablets and smartphones when connecting to PA audio systems
$172.73
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This unit is designed to convert stereo audio signals into a summed mono line level RCA signal.
A2518

Stereo to Mono RCA Adapter

This unit is designed to convert stereo audio signals into a summed mono line level RCA signal.
$39.55
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By law any radio, amplifier etc connected to a telephone system (for background music or paging applications) must be isolated with a line isolation unit (LIU). Adjustable output level suits all telephone systems.
A0642B

Telephone Line Isolation Unit????

By law any radio, amplifier etc connected to a telephone system (for background music or paging applications) must be isolated with a line isolation unit (LIU). Adjustable output level suits all telephone systems.
$43.64
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Unbalanced stereo 2 x RCA to unbalanced stereo 2 x RCA.
A2517

Unbalanced Stereo Line Isolation Transformer RCA-RCA

Unbalanced stereo 2 x RCA to unbalanced stereo 2 x RCA.
$39.55
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Unbalanced 10K Ohm 2 x RCA to balanced 600 Ohm 3 pin male XLR with level control. -10dB max signal gain.
A2514

Unbalanced to Balanced Converter RCA-XLR

Unbalanced 10K Ohm 2 x RCA to balanced 600 Ohm 3 pin male XLR with level control. -10dB max signal gain.
$39.55
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