User Manual

www.redbackaudio.com.auRedback® Proudly Made In Australia16
Redback® A 4270/80 Four Zone Paging PA Amplier
RELATED PRODUCTS
Redback® A 4370A 125W Power Amplier, A 4380A 250W Power Amplier
These Redback 125W and 250W power ampliers are ideal for installations requiring high power zone ampliers. Ideally
suited for use in shopping centres, pedestrian precincts, public transport facilities and convention centres. These ampliers-
operate on 230V AC or 24V DC primarily for battery backup operation.
Redback® A4390A 500W Power Amplier
The Redback A 4390A is a 500 Watt power amplier for installations requiring a high power zone amplier. Ideally suited
for use in shopping centres, pedestrian precincts, public transport facilities and convention centres. The amplier operates
on 230V AC or 24V DC primarily for battery backup operation.
Redback® A4395A 500W Mixer Amplier
The Redback A 4395A is a 500 Watt Mixer amplier for installations requiring a high power zone amplier. The amplier
has two audio inputs, with input 1 either a balanced XLR input or dual RCA line input, and input 2 a dual RCA. There is
also a music input on the front of the amplier for connection of portable devices. This input when
connected, over-rides the rear input 2 audio source and is adjusted via the volume 2 level control.
Redback® A4275B 125W MIxer Amplier, A4285B 250W MIxer Amplier
These Redback 125W and 250W mixer ampliers are ideal for applications which require up to six inputs. Featuring six
mic/line inputs with four levels of VOX priority, an LCD interface and a minimum and maximum Master Volume Over-ride.
It also includes a 24V switched output via PTT microphone (not supplied) and a USB keyboard interface for labelling of
inputs and installer contact details. A music Input on front panel overrides input 6 and the unit includes remote volume
control (via optional A 2280B wall plate) and a 300mA Backup Battery charging terminal.