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32-2038A

08A01

Printed in China

RadioShack Corporation
Fort Worth, Texas 76102

Using the Powerhorn Without the Microphone 
Mounted

When using the Powerhorn for an extended time, the shoulder strap 
can hold the Powerhorn and you can use the lightweight microphone 
to broadcast your message.

Follow these steps to use the Powerhorn without the microphone 
mounted.

1. Set 

SIREN

 on the left side of the handle to 

OFF

.

2. Place the strap over your shoulder and adjust it as desired.

3. Place the microphone about 5 inches from your mouth and 

press the 

TALK

 bar on the left side of the microphone when you 

speak.

4. To speak continuously without having to press the 

TALK

 bar, 

slide it in the direction of the 

LOCK

 arrow until it clicks. Slide the 

bar to the opposite position to unlock it.

5. Rotate 

VOLUME

 on the right side of the microphone toward 

10

 to 

increase, or toward 

0

 to decrease, the Powerhorn’s volume.

Note: If feedback occurs, move the microphone away from the front 
of the speaker, decrease the volume, or adjust the 

FEEDBACK

 

CONTROL

 (see “Using the Feedback Control”).

Using the Siren

To turn on the siren, set 

SIREN

 to 

ON

. To turn it off, set 

SIREN

 to 

OFF

.

Warning: Do not point the Powerhorn directly at someone when you 
turn on the siren.

Using the Feedback Control

If you experience feedback problems while using the Powerhorn 
indoors, open the battery compartment and use a small Phillips 
screwdriver to rotate the 

FEEDBACK

 

CONTROL

 counterclockwise to 

reduce feedback.

Note: Adjusting 

FEEDBACK

 

CONTROL

 to reduce feedback also 

reduces the volume. To increase the volume, rotate 

FEEDBACK

 

CONTROL

 clockwise until the sound is audible without feedback. If 

you are unsure how to make this adjustment, take the Powerhorn to 
your local RadioShack store for assistance.

CARE 

Keep the powerhorn dry; if it gets wet, wipe it dry immediately. Use
and store the powerhorn only in normal temperature environments.
Handle the powerhorn carefully; do not drop it. Keep the powerhorn
away from dust and dirt, and wipe it with a damp cloth occasionally
to keep it looking new.

Modifying or tampering with the powerhorn’s internal components
can cause a malfunction and might invalidate its warranty. If your
powerhorn is not performing as it should, take it to your local Ra-
dioShack store for assistance.

SPECIFICATIONS

Frequency Coverage ............................................................. 450 Hz–10 kHz

Power Source ..................................................................  8 C 1.5 V Batteries

Operating Voltage ....................................................................................  12V

Power Rating ......................................................................  10 W (Maximum)

Impedance .........................................................................  Speaker: 8 Ohms

 Microphone: Low Impedance (condenser)

Current Drain ....................................................................... 140 mA–250 mA

Drive Current  ............................ At Talk: 2.4A (Under); At Siren 4.0A (Under)

Output Level  ..............................................................................  Over 105 dB

Distance Range (Approximate)  ....................................... 1.6 Miles (2.57 km) 

(Quiet Suburban Area)

 0.8 Miles (1.29 km) (City Area)

Dimensions (HWD) (Without Microphone Attached)  ......  9

7

/

8

 

× 

13 

×

 9 Inches

 (25 

×

 33 

×

 22.7 cm)

Weight (with Batteries)  ........................................................................ 4.4 lbs

(2.0 kg)

Specifications are typical; individual units might vary. Specifications are 
subject to change and improvement without notice.

Limited Ninety-Day Warranty

This product is warranted by RadioShack against manufacturing defects in mate-
rial and workmanship under normal use for ninety (90) days from the date of pur-
chase from RadioShack company-owned stores and authorized RadioShack
franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES
NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING
THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR-
POSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN
LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED
HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO
CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH
OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RE-
SULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVE-
NUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts or the
exclusion or limitation of incidental or consequential damages, so the above limita-
tions or exclusions may not apply to you.
In the event of a product defect during the warranty period, take the product and
the RadioShack sales receipt as proof of purchase date to any RadioShack store.
RadioShack will, at its option, unless otherwise provided by law: (a) correct the de-
fect by product repair without charge for parts and labor; (b) replace the product
with one of the same or similar design; or (c) refund the purchase price. All re-
placed parts and products, and products on which a refund is made, become the
property of RadioShack. New or reconditioned parts and products may be used in
the performance of warranty service. Repaired or replaced parts and products are
warranted for the remainder of the original warranty period. You will be charged for
repair or replacement of the product made after the expiration of the warranty pe-
riod.
This warranty does not cover: (a) damage or failure caused by or attributable to
acts of God, abuse, accident, misuse, improper or abnormal usage, failure to fol-
low instructions, improper installation or maintenance, alteration, lightning or other
incidence of excess voltage or current; (b) any repairs other than those provided by
a RadioShack Authorized Service Facility; (c) consumables such as fuses or bat-
teries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f)
costs of product removal, installation, set-up service adjustment or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.

RadioShack Customer Relations, 200 Taylor Street, 6th Floor, 

Fort Worth, TX 76102

12/99

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