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XPA2500
XPA4640
XPA SERIES
INSTALLATION/OWNER’S MANUAL
Mobile Power Amplifiers
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XPA SERIES INSTALLATION Preparation Please read entire manual before installation. Due to the technical nature of amplifiers, it is highly recommended that your DUAL amplifier is installed by a professional installer or an authorized dealer. Before You Start • Disconnect negative battery terminal. (consult a qualified technician for instructions) • Avoid installing the amplifier where it would be subject to high temperatures, such as from direct sunlight, o
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XPA SERIES INSTALLATION Connection Descriptions NOTE Be sure to follow specific instructions included with your amplifier installation kit (not included with this amplifier). The information below should be used a general guideline only. Power Wire (+12V) • Disconnect negative battery terminal before proceeding. Consult a qualified technician for instructions if you are unsure. • Plan wire routing before cutting any wires to length. Begin b
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XPA SERIES INSTALLATION Power and Speaker Connections XPA2500 3 6 7 1 2 4 5 8 XPA4640 1 7 2 3 4 5 7 6 LED Indicator Input Level Control 1 5 Bass Boost High Level Inputs 2 6 Crossover Mode Switch Low Level Inputs 3 7 Crossover Frequency Input Mode Switch 4 8 4
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XPA SERIES INSTALLATION Audio Inputs and Controls XPA2500 4 1 2 3 5 5 XPA4640 1 4 3 2 Speaker Connection(s) +12VDC Battery Connection 1 4 Ground Connection Fuse(s) 2 5 Remote Connection 3 5
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XPA SERIES INSTALLATION Typical Wire Routing Main Power Connections Connect +12V, GND and REM wires accordingly. A suitable fuse MUST be installed on the +12V lead within 18" of the battery for protection of the vehicle’s electrical system. Fuse Rating Power/Ground Wire Size When replacing fuses, make sure new fuse For optimum performance, use only the wire is the correct type and amperage. Using an size listed below or larger. Make sure
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XPA SERIES INSTALLATION Amplifier Connections Subwoofer (mono) Speaker Connections 2 Speakers (stereo) Connect speaker wires observing polarity. The minimum impedance load for the XPA2500 and XPA4640 is 2 ohms stereo and 4 ohms bridged. Use of loads lower than these is not recommended and may cause amplifier damage. The XPA2500 and XPA4640 can be wired for stereo, bridged or stereo/bridged simultaneous operation. Typical Stereo Wiring Typical Bridged Wirin
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XPA SERIES OPERATION Configuration/Setup Input level Control The input level control (gain) is used to obtain the best possible match between the head unit audio output and the amplifier input. Begin by turning the input level control fully counterclockwise. Next, turn up the head unit volume control around 3/4 of the way up. Adjust the input level control clockwise until audible distortion is heard, then slightly counterclockwise t
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XPA SERIES WARRANTY Limited One-Year Warranty This warranty gives you specific legal rights. What to do? You may also have other rights which vary from 1. Before you call for service, check the state to state. troubleshooting guide in your owner’s manual. A slight adjustment of any custom Dual Electronics Corp. warrants this product to controls may save you a service call. the original purchaser to be free from defects in material and wo
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XPA SERIES OPERATION Specifications CEA-2006 Power Standard Specifications (reference: 14.4VDC, 20Hz~20kHz) XPA2500 Power Output: 50 Watts RMS x 2 channels at 4 ohms and < 1% THD+N Signal to noise ratio: 75dBA (reference: 1 watt into 4 ohms) Additional power output: 75 Watts RMS x 2 channels at 2 ohms and < 1% THD+N 150 Watts RMS x 1 channel at 4 ohms (bridged) and < 1% THD+N Dynamic power: 300 Watts at 4 ohms Frequency
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XPA SERIES OPERATION Notes 11
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XPA SERIES OPERATION Troubleshooting Problem Cause Action Unit will not turn on +12V wire not connected or incorrect voltage Check connections for proper voltage (no power LED indicator) REM wire not connected or incorrect voltage (11~16VDC) GND wire not connected Check connection to ground Fuse(s) blown Replace fuse(s) Unit has power - LED is Speaker wires not connected Check connections at speakers green (but no sound) Volume turned all the
