Radio Shack 32-2055 User manual

Please read this user’s guide before
installing, setting up and using your new product
www.radioshack.com
32-2055
250W PA Amplifier
250W Power Amplifer Quick Start Guide
User’s Guide
Note: Actual product may vary from the images
found in this document.
Quick Start Guide
Thank you for purchasing your 250-Watt Stereo
Power Amplifier from RadioShack. This PA gives
you the versatility and power you need in a
professional sound system. Its wide frequency
response easily handles amplification of voice and
music. Use it anywhere you need to deliver special
announcements with excellent sound. It is perfect
for meeting halls, auditoriums, sporting events,
schools, or in the office for paging systems. If it is
bridged, the amplifier can produce up to 350 watts
of clean, powerful sound with minimum distortion.
Illuminated Power Switch
Lights up when you turn
on the switch.
CD/AUX
Adjust volume of CD or
auxiliary sound source.
CLIPPING Indicator
Lights up to remind you
to reduce volume when
the amplifier output is
too high.
PROTECTION Indicator
Lights up when the
amplifier overheats or
if a shorted load occurs
on the amplifier output.
The amplifier resets itself
when the problem is
corrected.
A/B Speaker Switch
Select the speakers you
want to use with the
amplifier in Channel A,
Channel B, or both (for use
with 8 ohm speakers only).
MIC 1, MIC 2, and MIC 3
Adjust volume for the
connected microphones.
MIC 4/PHONO
Adjust volume of connected
microphone (MIC 4) or
turntable.
FEEDBACK FILTER
Turn to control audio
feedback.
Volume Control:
Left/Right speakers
Turn to regulate volume of
left and right speakers.
Output Power Level LED Indicators
Indicate the total stereo output
power level
PHONES Jack
Connect
headphones here.

©2004 RadioShack Corporation.
All rights reserved. RadioShack and
RadioShack.com are trademarks
used by RadioShack Corporation.
32-2055
06A04
Printed in China
XLR Balanced
Microphone Inputs
Connect up to four high-
impedance microphones to
your amplifier.
Cooling Fan
Automatically activated whenever
the amplifier is turned on. This
forced air cooling system rapidly
exhausts interior heat to reduce
operating temperature.
¼” Unbalanced
Microphone Inputs
Connect up to four microphones
to your amplifier, via a ¼”
unbalanced bable.
¼” Input Jacks
Connect input sources (CD
or DVD player, TV, etc.) here,
via a ¼ (balanced) audio
cable.
Fuse
Ground Wire
Connection
Phono Input
Jacks
Connect your
turntable here.
MIX BUS Jack
Connect an extra
amplifier if you
have multiple
audio sources.
CD/AUX Jack
Connect any high-level
sound source for music
or special effects.
EQ IN/OUT Jacks
Connect an
equalizer or other
external processor.
EQ/BYPASS Selector
Select EQ if you are using
an equalizer or BYPASS
if you are using another
external processor.
STEREO/MONO Selector
Select bridged
mono input mode in
combination with a mono
signal source plugged
into the left channel.
Speaker Terminals
Connect two sets of
speakers (Left and
Right, for A and B).
Audio Input Jacks
Connect input sources (CD
or DVD player, TV, etc.) here,
via an unbalanced audio
cable. Match the colors on
your cable connections with
the colors on the jacks.
MIC 4/PHONO Switch
Select MIC 4 or
PHONO input.