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Amplifier Owner's Manual
The RX2-series amplifiers are the next evolution of the
reliable and great sounding RX series. With a new, more
efficient circuit design, we have increased power output
while decreasing chassis size
will be the reference for style and value in any installation.
Built with the legendary Phoenix Gold reliability, they feature
heavy duty heatsinks, robust unregulated power supplies,
and oversized direct input power and speaker terminals.
They also sound sweet thanks to the audiophile grade
output transistors. We made upgrading your stock system
easy by allowing high level inputs so you can keep the OEM
radio, and still upgrade the sound. RX2-series amplifiers are
ready to impress with their effortless ability to provide power
and clarity while keeping the chassis at a convenient size
for any installation. The devil is in the details, so it just made
sense that we allow the PG name plate to be removed and
turned to match the orientation you might need for your
install because we know your going to want show off your
system and make all you're friends jealous.
Models: RX2 750.5
. These amplifiers
(most models)
Amplifier
Manual
RX2 400.4

Features

• Class-D Topology RX2 750.5
• Class-A/B Topology RX2 400.4
• Small Footprint Chassis Design
• Robust Unregulated Power Supplies
• Rotatable Name Badge for Installation Flexibility
• High Level Inputs for Easy OEM Integration
• Remote Bass Controller Included (RX2 750.5)
• Audio Precision® Quality Control Verification
© 2018 Phoenix Gold • www.phoenixgold.com

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Summary of Contents for Phoenix Gold RX2 750.5

  • Page 1 (most models) will be the reference for style and value in any installation. • Class-D Topology RX2 750.5 Built with the legendary Phoenix Gold reliability, they feature • Class-A/B Topology RX2 400.4 heavy duty heatsinks, robust unregulated power supplies, • Small Footprint Chassis Design and oversized direct input power and speaker terminals.
  • Page 2 IMPORTANT: A power birth certificate is included for each amplifier. RX2 amplifiers are conservatively rated and will exceed their RMS power rating shown here. All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD. © 2018 Phoenix Gold • www.phoenixgold.com...
  • Page 3 All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD. Hope you enjoy reading he manual as much as I did writing it. Go Big or Go Home. JC © 2018 Phoenix Gold • www.phoenixgold.com...
  • Page 4 0.2V to 6V. Adjust this with the help of a DMM and Controls the highpass crossover point for the Front a test signal or an Oscilloscope. See System Tuning channels. Continuously variable from 50Hz to 200Hz. section for setup instructions. 8.11in /206.00 mm © 2018 Phoenix Gold • www.phoenixgold.com...
  • Page 5 MULTI-CHANNEL POWER AMPLIFIERS SPEAKER OUTPUTS BATT+ Used to connect the amplifier to speakers. RX2 750.5 This must be connected to the fused positive terminal (+12V) minimum impedance is 2 Ohms on all channels. If Front of the car’s battery. A fuse must be located within 18 inches of...
  • Page 6 HPF (HIGH PASS FILTER - REAR, FRONT) FRONT, REAR INPUTS Controls the highpass crossover point for the Front channels. Continuously variable from 50Hz to 200Hz. Connect preamp signal cables from headunit to these 8.11in /206.00 mm © 2018 Phoenix Gold • www.phoenixgold.com...
  • Page 7 8.11in /206.00 mm to unit and voiding the warranty. issues, make sure you ground the amplifier correctly and securely. Rotatable Badging Rotate for proper orientation to match installation needs 3CH MODE BRIDGED REAR CHANNELS ONLY BRIDGED © 2018 Phoenix Gold • www.phoenixgold.com...
  • Page 8: Troubleshooting

    FREQUENT AMPLIFIER SHUTDOWN WITH AUTOMATIC RECOVERY: blown, check the power wire and also the amplifier for a short. If the short is in the amplifier itself, see your Phoenix Gold dealer. If no short is This indicates chronic amplifier thermal shutdown because of present, replace the fuse.
  • Page 9 LIMITED WARRANTY ON AMPLIFIERS Phoenix Gold warrants this product to be free of defects in materials and workmanship for a period of one (1) years from the original date of purchase. This warranty is not transferable and applies only to the original purchaser from an authorized Phoenix Gold dealer in the United States of America only.

This manual is also suitable for:

Rx2 400.4

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