Please read this user’s guide before
installing, setting up and using your new product
www.radioshack.com
32-2055
250W PA Amplifi er
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 Amplifi er from RadioShack. This PA gives
you the versatility and power you need in a
professional sound system. Its wide frequency
response easily handles amplifi cation 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 offi ce for paging systems. If it is
bridged, the amplifi er 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 amplifi er output is
too high.
PROTECTION Indicator
Lights up when the
amplifi er overheats or
if a shorted load occurs
on the amplifi er output.
The amplifi er resets itself
when the problem is
corrected.
A/B Speaker Switch
Select the speakers you
want to use with the
amplifi er 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.
