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XPR520 INSTALLATION / OWNER'S MANUAL Mobile Power Amplifier...
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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) •...
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 (BAT+) • Disconnect negative battery terminal before proceeding. Consult a qualified technician for instructions if you are unsure.
Audio Inputs and Controls XPR522 XPR520 RCA Line Inputs Crossover Mode Speaker Inputs Crossover Frequency Control Gain Bass Boost Power and Speaker Connections XPR522 XPR520 Fuse(s) Ground Connection Speaker Connection(s) Remote Connection +12VDC Battery Connection...
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. Power/Ground Wire Size Fuse Rating For optimum performance, use only the wire When replacing fuses, make sure new fuse size listed below or larger.
2 Speakers (stereo) Subwoofer (mono) Connect speaker wires observing polarity. The minimum impedance load for the XPR520 is 2 ohms stereo and 4 ohms bridged. Use of loads lower than these is not recommended and may cause amplifier damage. The XPR520...
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.
2. If you require service during the the original purchase. warranty period, you must carefully pack the product (preferably in the Dual Electronics Corp. agrees, at our original package) and ship it by prepaid option, during the warranty period, transportation with a copy of the original...
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