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Mixers and Signal Processing

Our Pro Audio range of products are not certified for use in the fire industry.

8 Channel Public Address Mixer With Tone Generator

PA-A4427A

A high performance PA mixer with in-built alert/evac/chime/voice over module and six mic/line input channels, each with adjustable level, bass and treble controls.
A high performance PA mixer with in-built alert/evac/chime/voice over module and six mic/line input channels, each with adjustable level, bass and treble controls.

Product Information

This high performance 8 Channel mixer is designed for fixed installations in commercial applications and is packed with features. Inputs 1 - 6 are able to be configured for either mic or line use. Mic inputs are 5 pin pluggable euro blocks allowing either PTT or VOX muting. Euro blocks allow for easy field installation. Line inputs are 2 x RCA. Dip switches are provided for each input enabling phantom power on/off, line level sensitivity setting from 100mV - 1V, and priority on/off. 

Input 7 and 8 are dedicated line inputs consisting of 2 x RCA inputs. These will be muted by inputs 1 - 6. Input 8 has a front panel 3.5mm socket for smart phone or similar. When active this automatically disconnects the rear panel input 8 RCA. Alert and Evac tones along with pre-announcement chimes are in built. 

Each input is supplied with volume control along with individual recessed treble and bass controls. Inputs 1 - 6 have adjustable VOX sensitivity controls. The unit operates from 24V DC and has provision for battery back up. 

Key Features:

Six Mic (Dinkle connectors) / Line (Dual RCA) Input channels (Inputs 1-6)
Two dedicated RCA Line Input channels (Inputs 7-8)
PTT Input and 24V PTT output (limited to 120mA) on inputs 1-6
Micro SD card based Alert/Evac/Chime/Voice-over module (In built)
Individual level, bass and treble control on all inputs
3.5mm music input overrides input 8
Three levels of priority
Adjustable Vox sensitivity on inputs 1-6
Adjustable input sensitivity 1V/100mV on inputs 1-8
Phantom Power on inputs 1-6
Tape out (Dual RCA)
Balanced Output (XLR male)
Five sets of closing contacts for message triggering (Alert/Evac/Ch1/Ch2/Cancel)
24V DC switched output (Limited to 120mA)
MP3 active indicator
Signal Present indicator
LED VU Meter
24V DC operation (Plugpack Supplied)
24V DC battery back up terminals
10 Year Warranty
Australian Designed and Manufactured

Specifications:
Output Level: 0dBm
Distortion: 0.01%
Frequency Response: 140Hz - 20kHz
Sensitivity: Mic inputs: 3mV balanced
Line inputs: 100mV-1V
Output Connectors: Line out: 3 pin XLR balanced or 2 x RCA
Switched out: Screw terminals
Input Connectors: Inputs: 3 pin XLR balanced or 2 x RCA 3.5mm stereo jack front panel
24V DC power: Screw terminals
24V DC Power: 2.1mm DC Jack
Remote triggers: Screw Terminals
Controls: Power: Standby Switch
Bass: ±10dB @ 100Hz
Treble: ±10dB @ 10kHz
Master: Volume
Inputs 1-4: Volume
MP3: Volume
Indicators: Power on, MP3 error, Message active
Power Supply: 24V DC
Dimensions: 482W x 175D x 44H
Weight: 2.1kg

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