Your model number is located on the rear of the player under the bar code.
GM-D7400M
Class-D Mono Amplifier with 800 Watts Max. Power
GM-D7500M
Class-D Mono Amplifier with 800 Watts Max. Power
GM-D8400M
Class-D Mono Amplifier with 1200 Watts Max. Power
GM-D8500M
Class-D Mono Amplifier with 1200 Watts Max. Power
GM-D8601
Class D Mono Amplifier with Wired Bass Boost Remote
GM-D8604
Class FD 4-Channel Bridgeable Amplifier
GM-D9500F
Class-FD 4-Channel Bridgeable Amplifier
GM-D9601
Class D Mono Amplifier with Wired Bass Boost Remote
GM-D9605
Class D 5-Channel Amplifier with Wired Bass Boost Remote
GM-D9701
1-Channel - Class D, 2400w Max Power - Mono Amplifier
