PrecisionPower DCX 300.2 - Manual

AMPLIFIER STATUS LEDS The LEDs provide the following indications: 1. Power - This LED illuminates RED when the amplifier power isturned on with the remote input (output muted). After a short timedelay this LED will turn GREEN (amplifier ready).2. Clip Output - This LED illuminates RED on the peaks o...

Note: The cables running from the battery to the rear of the carshould be installed on the side of the car opposite to the antenna. When using 16 gauge wire or larger, run the speaker wires from theamplifier location through the vehicle to the speakers. Observe thesame precautions for routing these ...

Note: The power connector is inserted into the amplifier withthe wire clamping screws in the up position as shown below. GROUND WIRING Locate an area near the amplifier(s) that is metal and clean an areaabout the size of a quarter down to bare metal. Inspect the areaaround and underneath to be sure ...

You should also check the condition and current capacity of thestock battery negative cable and connections, and replace orupgrade as necessary. Keep in mind that your amplifiers simplyconvert electrical energy to acoustical energy, and any electricaldeficiency will compromise the performance of you...

If the same amplifier is driven into a 2 ohm stereo or 4 ohm monoload, double it’s 4 ohm RMS rating. All DCX amplifiers will effectively double their power at this load. 500W X 1.5 X2 = 1500 watts 1500W = 125 Amps total current draw 12V If you are using more than one amplifier, add up the total curr...

POWERLOCK CONNECTORS Once you have run both the power and ground wires, then connectthe cables to the amplifier. Cut off excess wire, and using wirestrippers, strip the ends of the power and ground cablesapproximately 1/4 inch. Locate the PowerLock TM power and ground connector (supplied). With a sm...

DCX 300.2, DCX 500.2 FRONT PLATE DIAGRAM 1. Cooling Plenums: Maintain a minimum 2” clearance aroundcooling plenums for proper amplifier cooling.2. Speaker/Remote Connector: Plug in the PowerLock TM connector here.3. Output Xover Freq. Control: Use this control to adjust the subbass output signal cro...

DCX 300.2, DCX 500.2 END PLATE DIAGRAM 1. Cooling Plenums: Maintain a minimum 2” clearance aroundcooling plenums for proper amplifier cooling.2. Power/Ground PowerLock TM : After you have securely connected your power and ground wires, plug in the Power/GroundPowerLock TM connector here. 3. QBASS RE...

INPUTS There are two sets of RCA jacks on the front end of your amplifier.The RCA cables from your source unit go in the set labeledINPUTS. If your source unit doesn’t have RCA outputs, then add aset of RCA plugs (available at your dealer) to your front or rear setof speaker leads (see drawing below...

QBASS PLUS/QBASS REMOTE On DCX 300.2, and DCX 500.2 amplifiers, we’ve taken bass control to a higher level with QBASS PLUS TM . The two QBASS TM switches (labeled 1 and 2) on the front end of the amplifier allow you to selectone of four frequency centers 30Hz, 36Hz, 44Hz and 60Hz. On therear end pla...

CROSSOVER DETENT CHART Detent # Low Pass Frequency (Hz) @ -3dB High Pass Frequency (Hz) @ -3dB 123456789 1011121314151617181920212223242526272829303132333435363738394041 282830303032343638424650525460667688 100116136144168198240286310340380424484576632748932 107614281700243628302980 5252525656606472...

ADJUSTING INPUT GAIN 1. Adjust all amplifier input gain controls to just above minimumsensitivity (fully counterclockwise). 2. Using the cleanest music source (CD) playing, turn up the headunit source volume until you can hear distortion. Now turn it down abit until you cannot hear the distortion (u...

LIMITED TWO YEAR CONSUMER WARRANTY: Directed Electronics, Inc. promises to the original purchaser, to replace thisproduct should it prove to be defective in workmanship or material under normaluse, for a period of two years from the date of purchase by the dealer as indicatedby the date code marking...