User Manual
© 2020 Phoenix Gold • www.phoenixgold.com 
Amplifier Owner’s Manual
IMPORTANT: A power birth certicate is included for each amplier. GX ampliers 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. 
IMPORTANT: A power birth certicate is included for each amplier. GX ampliers 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.
GX1200.1 SPECIFICATIONS
GX1200.1 SPECIFICATIONS
RMS Power Ratings listed at less than 1% THD @ 14.4v 
Number of Channels:  1
1Ω: CH 1  1200W x 1
2Ω: CH 1  800W x 1
4Ω: CH 1  500W x 1 
Total RMS Power 
(Sum of rated power):
 1200W
Bridgeable:  N/A
Crossover Control, Linkwitz-Riley:  LP
  50Hz - 250Hz @ 24dB/Oct 
Input Selection:  0.4-10V 
Signal to Noise (@ CEA Standard):  >100dB
Frequency Response:  Sub 15-250Hz
Topology Class  D
Heatsink Type:  Extruded Aluminum
Cooling Type:  Radiation 
Operating Voltage:  8V to 16V
Switchable Auto-Turn On:  No
Power Supply Type:  Unregulated 
Power Terminal:  4 Gauge Quick Connect
Speaker Terminal:  8-12 Gauge Quick Connect
Recommended Fusing:  80A
Dimensions (L x W x H):  11.57” x 6.5” x 2.03” 
  294mm x 165mm x 51.5mm
Remote Bass Controller:
Flush mount level controller. Fine tune your bass output with a simple 
turn of the precision controller. 16ft of cable included.
11.57in / 294mm
2.03in / 51.5mm
6.5in / 165mm










