500W Class-D Stereo Amplifier - P-500Xb - Preference Audio

500W Class-D Stereo Amplifier - P-500Xb - Rear A
500W Class-D Stereo Amplifier - P-500Xb - Rear B
500W Class-D Stereo Amplifier - P-500Xb - Dog Ears

P-500Xb - Response Curves and Controls
Recommended Control Panel Settings
For Our Subwoofers


Overall Dimensions:
(with feet, without ears)
17.75" W x 2.2" H x 14.6" D, (450W x 55H x 370D)mm

Install Guide [PDF]
Brochure [PDF]
5 Year Parts and Labor Limited Warranty
P-500Xb
500W (Bridged) Class-D Stereo Amplifier

This high current amplifier delivers power and clarity in an efficient low-profile design with extraordinary flexibility. Designed by an international engineering team, the P-500Xb had just two goals in mind:
  • Support the highest levels of music reproduction performance
  • Create an outstanding amplifier with flexibility and power for building better-sounding systems

The design team that created the P-500Xb are confident this sleek, 1 U high powerhouse will provide the power and musicality to bring your system to life, and the control flexibility to get the best performance from your speakers and room.

Frequency Response: 4Hz - 30kHz ± 3 dB
Crossover Freq. Variable: 40Hz – 160Hz (+ LFE mode)
Variable Bass EQ: 0 to 9dB boost @ 30Hz
Subsonic Filter: 10-50Hz
Phase Adjustment: 0 – 180 degrees (continuously variable)
Limiter: 0 to -9dB variable
Output Power:
Stereo: 2X 90W @ 8 ohms,
                 2X 150W @ 4 ohms
Bridged: 1X 300W @ 8 ohms / PEAK 440W,
                   1X 500W @ 4 ohms / PEAK 700W
Performance-Calibrated
Control Panel:
Subwoofer Input, Low Frequency Boost, Subsonic Filter,
Phase Control, Power Range & Crossover Frequency
Distortion: <0.05% (at 1/10 rated output power)
AC Power Modes: Auto-Power (audio sense), 12V Trigger & Manual

3 on/off modes: manual, voltage or signal
Separate Full-Range and Sub Inputs for maximum signal integrity
Less than 0.5W Standby Current Draw
LFE Switch to bypass the low pass filter
Switchable 115V or 230V operation
Standby Power Switch with LED ring
5-way binding posts
Removable Rack Ears
1U Rack Space