
Big Mouth Guitar Ampli er
INSTRUCTION MANUAL
MODEL: JA-P10

2
PANEL FUNCTIONS
INTRODUCTION
Thank you for choosing the Big Mouth amplifier. Please read this manual carefully and completely before operating your new amplifier.
1 INPUT
Connect the cable from your instrument’s ouput jack to this jack.
Always use an undamaged, shielded instrument cable.
2 VOLUME
Controls the master volume level of the amplifier.
3 OVERDRIVE/CLEAN
Used to control the OVERDRIVE/CLEAN function. In the “out”
position, the input signal is amplified without overdriving.
In the “in” positon, the input signal is overdriven (distorted)
before amplified.

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4 TREBLE
Used to increase or decrease the high-end frequencies.
5 BASS
Used to increase or decrease the low-end frequencies.
6 AUX IN
Used for connecting a tape, CD, or other external audio
device. (Use RCA jacks only.) Volume must be adjusted
on the external unit.
7 HEADPHONE
Used for the private headphone listening with a 1/4” jack
connector. The speaker is disengaged when the headphone
jack is in use.
8 POWER ON/OFF INDICATOR
LED glows when the unit is turned on.
9 POWER SWITCH
This switch turns the amplifier ON and OFF.

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SUGGESTED SETTINGS
Clean
Blues
Rhythm Guitar - This setting yields high volume clean with some natural breakup.
Set Volume at 9 for natural high volume distortion.
Distorted - Volume can be set at 6 for high volume distortion.
Metal Distortion
*Clean/Overdrive Switch
Clean (“In”) State Selected
Overdrive (“Out”) State Selected

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TECHNICAL SPECIFICATIONS
POWER SUPPLY: 120VAC/50Hz~60Hz
POWER OUTPUT: 10 watts RMS @ 8 ohms
LOAD IMPEDANCE: 8 ohms
INTERNAL SPEAKER: 6.5” (16.5cm) in diameter
EQ SECTION: 2-BAND EQUALIZER
Bass Control Range: +5dB/-20dB @ 500Hz
Treble Control Range: +16dB/-5dB @ 8kHz
SIGNAL TO NOISE RATIO: S/N ≥ 70dB
INPUT: 1/4” Mono Jack
DIMENSIONS: 11”(W) x 11 3/16”(H) x 5 1/2”(D)
WEIGHT (approx.) 9.70lbs

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PRECAUTIONS
POWER SOURCES
This product should be operated only from the type of power
source indicated on the marking label. If you are not sure
of the type of power supply to your home, consult your
product dealer or local power company.
INSERTION WARNING
Never place objects of any kind into this product as they
may touch dangerous voltage points or short-out parts that
could result in a fire or electric shock. Never spill liquid of
any kind on the product.
SERVICING
Do not attempt to service this product yourself as opening or
removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualified service
personnel.
HEAT
The product should be placed away from heat sources,
such as radiators, heat registers, stoves, or other products
that produce heat.
CLEANING
Unplug this product from the wall outlet before cleaning. Do
not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
SAFETY CHECK
Upon completion of any service or repairs to this product,
ask the service technician to perform safety checks to
determine that the product is in proper operating condition.

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SAFETY PRECAUTIONS
WARNING
CAUTION: TO REDUCE THE RISK OF
FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS AMPLIFIER TO RAIN OR
MOISTURE. DANGEROUSLY HIGH
VOLTAGE IS PRESENT INSIDE THE
ENCLOSURE. DO NOT OPEN THE
CABINET. REFER SERVICING TO
QUALIFIED PERSONNEL ONLY.
This symbol warns the user of dangerous voltage levels localized within the
enclosure.
This symbol advises the user to read
all accompanying literature for safe
operation of the unit

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WARRANTY INFORMATION
This amplifier is warranted, to the original Purchaser, to be free
from defects in material and workmanship for a period of five
(5) years from the original retail purchase. This warranty is
valid in North America only.
The manufacturer shall, at its option, either repair or replace the
defective product if the product is returned to the original place
of purchase. If any product returned is not defective within this
warranty, the manufacturer shall so advise the Purchaser and
thereafter shall dispose of said product in accordance with the
Purchaser’s instructions and at the Purchaser’s cost. This warranty is not transferable by the Purchaser.
The warranty shall not apply to wearable parts, these items
include, but are not limited to, amplifier knobs, and feet.
This warranty shall not apply if the product has been misused
or damaged as a result of neglect, abuse, alteration, improper
handling, unauthorized repair or modification, accident or
causes external to the product, such as, but not limited to, excessive heat or humidity.
The manufacturer’s sole and exclusive maximum liability for
any claim by the Purchaser, shall not exceed the wholesale value
of the product. In no event shall the manufacturer be liable for
any indirect, incidental, collateral, exemplary, or consequential
damages or losses arising out of the Purchaser’s purchase of the
product. The above limitations may not apply in some states.
PRINTED IN CHINA