MOSFET POWER AMPLIFIERS
Installation Instructions / Owner's Manual
BA400 BA440
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SAFETY PRECAUTI ONS
Fuseamplifier's powerwireatthebattery.
Be sure t o f use t he power wire wit hin 12" of t he car' s bat t ery. This will prot ect t he car' s
bat t ery in case of a short circuit bet ween t he power amplif ier and bat t ery. THI S I S A MUST,
t he amplif ier' s built -in f use will only prot ect t he power amplif ier not t he car' s bat t ery!
Usehighgradewireconnectors.
To ensure maximum power t ransfer and secure safe connect ions, it is recommended t o use high
grade barrier spades (for connect ion at amplifier) and t erminal rings (for connect ion at bat t ery).
Donotrunanywiresunderneath vehicle.
Exposed wires have a chance of being cut or damaged. I t is best t o run all wires t hrough t he
vehicle under t he carpet and/ or side panels. This lends t o a cleaner inst allat ion and less risk of
damage.
Usecautionwhenmountingamplifier.
Remember t here are many elect rical wires, gas lines, vacuum lines, brake lines as well as a gas
t ank in t he aut omobile. Make sure you know where t hey are when mount ing t he amplif ier
t o avoid punct uring lines, short ing wires or drilling holes in t he gas t ank.
Runsignalwiresawayfromelectrical wires.
To avoid possibilit y of induced noise f rom t he car' s elect rical syst em (i.e. popping noises or
engine noise), run wires away f rom t he car' s elect rical wiring.
Makeallgroundwiresasshort aspossibleandatthesame point.
I n order t o reduce t he chance of ground loops (i.e. engine noise), make t he grounding wire as
short as possible t o reduce t he wire' s resist ance. Also, when using mult iple component s, make
sure all unit s are grounded at t he s ame point .
Avoidsharpedgeswhenrunningthe wires.
To avoid t he possibilit y of power, signal or speaker short s, be caref ul not t o allow t he amplif iers
wires t o come in cont act wit h sharp edges. Use a grommet t o prot ect t he wire when running
t hrough t he f ire wall .
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FEATURES AND BENEFI TS
DCOffsetProtection
This circuit prot ect s t he out put of t he amplif ier against DC volt age. I f f or some reason DC
volt age is det ect ed at t he out put st age, t he amplif ier will shut down prot ect ing t he speakers
f rom direct current .
ShortCircuitProtection
The circuit prot ect s t he amplif ier f rom damage due t o a short f ound in t he speakers or wiring.
I f one of t he speakers or it s wiring comes in cont act wit h ground, t he amplif ier will shut down.
To resume normal operat ion, correct t he problem and t urn t he head unit of f , t hen back on. The
amplif ier will reset and play again.
Thermal Protection
To prot ect t he amplif ier circuit ry against damage caused by prolonged exposure t o high
t emperat ures, a t hermal prot ect ion circuit is act ivat ed if t he amplif ier reaches excessively
high operat ing t emperat ure. Once t he t hermal circuit is act ivat ed, t he amplif ier will shut
down t o cool of f . The Amplif ier will aut omat ically t urn back on once it cools down t o a saf e
operat ing t emperat ure.
ProtectionIndicator
This red diagnost ic L.E.D. indicat es t hat t he amplif ier has gone int o prot ect ion. Once on, t he
amplif ier will have no out put . To resume normal operat ion, t urn head unit of f and back on again.
I f t he amplif ier immediat ely goes back int o prot ect ion, check f or high t emperat ure, short
circuit s or low impedance.
TriModeCapable
I f so desired t he amplif ier may be run in st ereo and mono at t he same t ime. For example, t his
f eat ure would allow you t o run a pair of mid and t weet ers in st ereo and a sub-woof er mono.
Built-inCrossover
The Baja amplif iers include a built -in variable high and low pass crossovers. The crossover
f eat ures a variable f requency select ion (50Hz ~ 500Hz) f or precise high or low pass f ilt ering.
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BassBoost
For added low f requency perf ormance t he amplif iers are equipped wit h a variable 0~12 dB
bass boost @ 45Hz. (BA 400 only)
Power Fusing
This prot ect s t he amplif ier against short circuit s and excessive current .
Remote Turn-on
Aut omat ically t urns amplif ier on when connect ed t o t he head unit ' s remot e out put . The
amplif ier will t urn on and of f wit h t he head unit t o save current consumpt ion. This cont rol also
operat es t he reset circuit f or t he amplif ier' s prot ect ion. I t must be connect ed wit h t he head
unit in order t o reset prot ect ion circuit s.
AdjustableInputSensitivity
Allows you t o f ine-t une t he level mat ching bet ween your source and t he power amplif ier.
HighLevelInput
Allowing f or int egrat ion wit h "Fact ory Sound Syst ems" wit h no low level(RCA) out put s.
StableTo2OhmStereoMode
St abilit y t o 2 ohm in st ereo mode, 4 ohms bridged.
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MOUNTI NG LOCATI ON
Bef ore you st art t he inst allat ion, it will be necessary t o f ind a mount ing locat ion f or t he
amplif ier. Find a locat ion in which t he amplif ier will receive adequat e vent ilat ion in order t o
dissipat e t he heat it develops during operat ion. Two popular mount ing locat ions are in t he
t runk or under t he seat .
Select t he locat ion in which you wish t o mount t he amplif ier. Use caution when mounting
amplifier, there are many wires, gas lines, vacuum lines, brake lines as well as a gas tank in
the automobile. Make sure you know where they are when mounting the amplifier to avoid
puncturing lines, shorting wires or drilling holes in the gas tank. Once you are ready, use a
pencil t o mark t he mount ing holes in t he bot t om panel. Af t er you have marked t he locat ions of
t he holes move amplif ier out of t he way and drill small st art er holes t o make t he t apping
screws easier t o inst all. Use provided screws t o t ight en down t he amplif ier.
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POWER CONNECTI ONS
I N-LI NE PPOWERR FUSE
MOUNTED WWI THII N 12"
FROM BBATTERYY RECOMMMMENDED
(SAMEE RATI NGG AS ON TTHHE AMP)
RADI O' SS REMOTE
TURN-ONN OUTPUT
(NOT PROOVI DED)
-
+
94.7
CAR BAATTERY
+12V
IMPORTANT! Bef ore making any connect ions, disconnect t he car' s bat t ery unt il t he
inst allat ion is complet ed t o avoid possible damage t o t he elect rical syst em.
Connect the amplifier to the car's battery.
At t imes, t he amplif ier will need t o draw large levels of current t hat cannot be provided by any
circuit in t he car' s f use box. We recommended using an 10 t o 12 gauge power wire f or your
connect ions depending on t he amplif ier and lengt h of t he wire. St rip one end of t he wire t o
connect t o t he t erminal on t he amplif ier marked +12V. Loosen screw t erminal and connect
bare wire and t ight en. Use caut ion t o make sure no st ray wire st ands come in cont act wit h
surrounding t erminals causing short circuit s. Run t he wire direct ly t o t he posit ive t erminal of
t he car' s bat t ery. Make sure t o use an in-line f use wit hin 12" of t he car' s bat t ery t o prot ect
t he elect rical syst em and amplif ier against short circuit s and/ or power surges.
Connect the ground terminal of the amplifier to the car's chassis.
For t he ground connect ion, use an 10-12 gauge wire (black) t o connect t o t he t erminal marked
GND and t hen connect it t o t he car' s chassis. Try t o keep t he lengt h of t he cable as short as
possible, pref erably less t han 6". Also make sure t hat t he point on t he car where t he
connect ion is t o be made is f ree of paint and dirt .
Connect the remote terminal of the amplifier to a switchable +12V source.
This connect ion allows t he amplif ier t o be t urned on and of f wit h t he power cont rol of t he
radio. I f t he radio has a Remot e out put wire, connect it t o t he amplif ier' s t erminal marked
REM (using a 16 gauge wire or heavier). Now when t he radio is t urned on, t he amplif ier will
aut omat ically t urn on. This connect ion can also be made t o t he radio' s Power Ant enna wire.
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SI GNAL CONNECTI ONS
ConnecttheRCAoutputoftheheadunit(AM/FMcassetteplayer, CD, orDAT)
totheRCAinputterminalsoftheamplifier.
To make t hese connect ions, we recommend high qualit y RCA cables, which are available at your
local car audio ret ailer. Run signal wires away f rom elect rical wires t o avoid possibilit y of
induced noise f rom t he car' s elect rical syst em (i.e. popping noises or engine noise). Please not e
t hat when making t hese connect ions t he signal input s correspond wit h t he speaker out put s.
For example: I f you connect t he radios f ront right RCA t o "CH 1" .......t hen speaker out put
"CH 1" will operat e t he f ront right speaker.
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HI GH LEVEL CONNECTI ONS (OPTI ONAL)
High Level input s have been included t o connect t he amplif ier t o a radio wit hout low-level
out put s (i.e. f act ory radio). This connect ion will allow you t o connect direct ly t o t he speaker
out put of t he radio wit h out t he need of an ext ernal adapt er.
Det ermine t he t ype of radio you have and make one of t he f ollowing connect ions.
CAUTION! Bef ore making any connect ions det ermine t he t ype of radio t o avoid possible
damage t o amplif ier and/ or radio.
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FOUR CHANNEL CONNECTIONS:
FLOATING GROUND RADIO (MOST COMMON TYPE)
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SPEAKER CONNECTI ONS
Make the speaker connections using speaker wire that is at least 14 gauge or
heavier.
As wit h any audio component , proper phasing of t he amplif ier and speakers is essent ial f or
st rong bass response. When connect ing, make sure t hat posit ive (+) f rom t he amplif ier is
connect ed t o t he posit ive (+) of t he speaker, and t he same f or negat ive (-).
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SPEAKER CONNECTI ONS (BRI DGED)
The Baja amplif iers are capable of being bridged in a mono conf igurat ion. This f eat ure allows
you t he f lexibilit y of using t he amplif ier t o drive a ** subwoof er or a cent er channel. I n t his
conf igurat ion t he amplif ier sums t he right and lef t channel t o deliver one channel (mono)
out put .
Please not e: in order f or t he amplif ier t o sum right and lef t signal inf ormat ion, bot h right and
lef t RCA connect ions must be made.
**CAUTION! I n t he bridged mode, t he amplif ier must see a 4 Ohm load or higher. Any
lower t han 4 Ohms will cause t he amplif ier t o overheat and possibly cause permanent
damage t o t he amplif ier!
TWO CHANNEL BRIDGED SPEAKER CONNECTIONS
4 Ohm Sppeaker
FOUR CHANNEL BRIDGED SPEAKER CONNECTIONS
4 Ohm Sppeaker
4 Ohm Sppeaker
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SPEAKER CONNECTI ONS (TRI -MODE)
100
F
100
F
L
E
G
E
N
D
+
NON-PPOLAR
CAPACCI TOR
I NDUCTOR
(COI L)
-
CAUTION! I n Tri- mode operat ion, t he amplif ier must see a 2 Ohm load or higher f or t he
st ereo sat ellit es and no lower t han 4 Ohms f or t he subwoof er(s). Any lower t han t he
above ment ioned impedance will cause t he amplif ier t o overheat and possibly cause
permanent damage t o t he amplif ier.
ADJ USTI NG THE X-OVER AND BASS BOOST
.
(Please not e: I f you int end t o us e t he amplif ier in t he Tri-mode conf igurat ion, it is necessary
t o set t he crossover cont rol t o t he "Flat " set t ing in order t o receive f ull range out put )
The Baja amplif iers are equipped wit h a built -in variable crossover net work allowing you t o
select t he crossover t ype (i.e. Low-Pass or Hi-Pass) and t he desired crossover point . For
example if you wish t o drive a pair of subwoof ers, you can select t he "Low Pass" set t ing on t he
amplif ier t o f ilt er out high f requencies. This will send only low f requencies t o your subwoof ers
(see example set t ings below). The crossover point should be det ermined by t he speakers
operat ing range. Please ref er t o speaker manuf act ures recommended crossover point .
Select the crossover type on the
amplifiers side panel.
(Low-pass is selected in this example for subwoofers)
Select the crossover point
You can add up to 12dB bass boost by
for your speakers.
increasing the Bass Boost control.
FI NE TUNE THE SYSTEM
Fine tune the amplifier's input sensitivity.
Access t o t he gain sensit ivit y cont r ol f or t he Baja
amplif ier is locat ed on t he side panel. This gain cont rol has
been included t o allow adjust ment t o properly mat ch t he
out put of t he radio. This is one of t he most misunderst ood
adjust ment s. By rot at ing t he cont rol in t he clockwise
direct ion, t he amplif ier' s input will become more sensit ive and
t he music will play louder. This is not a volume cont rol and you will not get more power out of
t he amplif ier in t he maximum posit ion! I t may seem t o deliver more out put , but act ually t he
syst em is only playing louder f ast er as you t urn t he volume cont rol on t he radio. I deally, t o
properly level mat ch t he syst em t he goal is t o achieve maximum out put f rom t he amplif ier
wit hout dist ort ion at about 3/ 4 of t he volume cont rol.
To det ermine if t he amplif ier' s gain is set properly, t urn t he syst em on and slowly increase t he
volume cont rol. You should be able t o use about 3/ 4 volume bef ore t he syst em get s loud but
not dist ort ing. I t is very import ant when making t hese adjust ment s t hat you do not over drive
t he speakers (at point of dist ort ion) t his will cause permanent damage t o t he speakers. I f you
are unable t o achieve 3/ 4 volume bef ore dist ort ion you will need t o adj ust gain cont rol (in t his
case you would reduce t he gain). The gain cont rols should be adjust ed very slowly. I t may help
t o have anot her person t o assist you by adjust ing t he gain cont rols while you list en f or
dist ort ion.
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TROUBLE SHOOTI NG THE SYSTEM
We have put t oget her t his t rouble-shoot ing guide if you experience problems af t er inst alling
t he amplif ier. Please keep in mind t hat t he majorit y of problems incurred are caused by
improper inst allat ion and not t he equipment it self . I n addit ion, t here are many component s in
t he syst em t hat could cause various signal problems such as induct ed elect rical noise and
engine noise.
Bef ore you can properly address t he problem, you must f irst f ind t he component t hat is
causing t he problem. This will t ake pat ience and a process of eliminat ion.
LOOKFOR....
NoOutput
SOLUTION
Blown f use
Replace
Replace
Bad RCA Cable(s)
+12V at power t erminal
+12V at remot e t erminal
Grounding point clean and t ight
Head Unit ' s f ader not in cent er posit ion
Check connect ion
Check connect ion
Check f or ground w/ met er
Set t o cent er posit ion
Low Output
Check level adjust ment s
Bad RCA cable(s)
Re-adjust
Replace
I mproper level mat ching
Re-adjust
EngineNoise
Grounding point s are clean and t ight
Ground all component s at same point
Try dif f erent grounding point
Bad RCA cable(s)
Check f or ground w/ met er
Ground at same point
Change f or bet t er ground
Replace
Use High Q ualit y shielded RCA cables
Reject s induct ed noise
Low Vehicle charging syst em and/ or bat t ery Fix and/ or replace
ProtectionL.E.D. Illuminated
Speaker short
Check speakers connect ion
f or short circuit
Speaker grounding out
I mpedance t oo low
Overheat ing
Make sure speaker wires
do not t ouch chassis ground
Check speaker impedance
(Min 2 ohm St ereo, 4 Mono)
Check mount ing locat ion
f or Adequat e air Circulat ion
Speaker impedance t oo low
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SPECI FI CATI ONS
BA400
BA440
Out put Power @ 4 Ohm
RMS Power @ 4 Ohm
RMS Power @ 2 Ohm
Bridged RMS @ 4 Ohm
2 x 200W
2 x 100W
2 x 150W
1 x 300W
< 0.1%
4 x 100W
4 x 50W
4 x 75W
2
x 150W
< 0.1%
THD @ RMS Power
Frequency Response
10Hz ~ 35Khz
>93dB
10Hz ~ 35Khz
>93dB
Signal To Noise
St ereo Separat ion
85dB
85dB
Low Level I nput
200mV ~ 5V
2 ~ 8 Ohms
4 ~ 8 Ohms
HP / LP / Flat
50Hz ~ 500Hz
0dB ~ 12dB
1 x 30A
200mV ~ 5V
2 ~ 8 Ohms
4 ~ 8 Ohms
HP / LP / Flat
50Hz ~ 500Hz
None
Load I mpedance St ereo
Load I mpedance Bridged
Crossover Type (12dB/ Oct ave)
Crossover Frequency (Variable)
Bass Boost @ 45Hz (Variable)
Fuse Value (ATC/ ATO Type)
Size (H x D x W)
1 x 40A
1/ 8" x 9 3/ 4" x 10 1/ 2"
2
1/ 8" x 9 3/ 4" x 10 1/ 2"
2
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LIMITED WARRANTY
Prof ile Consumer Elect ronics, I nc. warrant s t his product t o be f ree f rom def ect s in
mat erial and workmanship f or a period of One (1) Year f rom t he dat e of sale t o t he
original consumer purchaser. I f t his product is proven t o be def ect ive wit hin t his one
year period, Prof ile will repair it when said product is ret urned, wit h a copy of t he
dat ed sales receipt , f reight prepaid t o Prof ile.
This warrant y is valid only in t he Unit ed St at es. This warrant y does not cover any
expense incurred in t he removal and/ or re-inst allat ion of t his product . This warrant y
does not cover any Prof ile product damaged by accident , misuse, abuse, improper line
volt age, f ire, wat er, light ning, or ot her act s of God. This warrant y is void if any part s
and/ or service is/ are f urnished by anyone ot her t han Prof ile. This warrant y is void if
t he f act ory applied serial number is alt ered or removed f rom t he product .
This warrant y does not cover cart ons, cases, bat t eries, broken or marred cabinet s,
magnet ic t apes, or any ot her accessories used in connect ion wit h t his product or
consequent ial damages due t o a def ect in t he product .
Any implied warrant ies, including f it ness f or use and merchant abilit y, are limit ed in
durat ion t o t he period of t he express warrant y set f ort h above. No person is
aut horized t o assume f or Prof ile any ot her liabilit y in connect ion wit h t he sale of t he
product . Prof ile expressly disclaims liabilit y f or incident al and consequent ial
damages t hat might be caused by t his product . The remedies provided under t his
warrant y are exclusive and lieu of all ot hers.
This warrant y gives you specif ic legal right s. You may have ot her right s which vary
f rom st at e t o st at e or province t o province. Some st at es or provinces do not allow
limit at ion on how long warrant ies last , so t he above may not apply t o you. Addit ionally,
some st at es/ provinces do not allow t he exclusion t o limit at ion of consequent ial or
incident al damages, so t he above limit at ion or exclusion may not apply t o you.
* I n t he space below, record t he model number t hat is locat ed on t he back of t he unit
along wit h t he purchase dat e and locat ion.
Model Number __________________
Purchase Dat e __________________ Where Purchased _________________
RETAI N YOUR SALES RECEI PT ALONG WI TH THI S CARD. I T I S YOUR ONLY
VALI D DOCUMENT TO RECEI VE WARRANTY SERVI CE.
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WARRANTY REPAIR POLICY
I n t he unlikely event of product f ailure, t he f ollowing procedures
should be f ollowed
1) The unit must be under t he 1-year warrant y period.
2) The unit must have no physical damage.
3) A copy of t he original proof of purchase must be sent wit h t he unit .
4) I nclude a brief descript ion of t he problem or f ailure wit h t he unit .
5) I nclude t he ret urn street address and dayt ime t elephone number.
6) Allow 2~3 weeks f or repair (t his period includes shipping t ime).
Send unit t o :
PROFILE CONSUMER ELECTRONICS, INC.
15060 SHOEMAKER AVE
SANTA FE SPRINGS, CA 90670
TEL: 562-404-9393
Not e:
All unit s f ailing t o meet t he above requirement s will be
subject t o a charge and or may not be repaired.
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By
PROFI LE CONSUMER ELECTRONI CS, I NC.
15060 SHOEMAKER AVE
SANTA FE SPRINGS, CA 90670
TEL: 562-404-9393
FAX: 562-404-9433
WWW.PROFI LEUSA.COM
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