A 4427 • 8 Channel Public Address Mixer With Tone Generator

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

Developed, designed & assembled in Australia.
Since 1974 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 50 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.