its a 4 channel amp im not sure of the specs
model number as mentioned and googled GF t80 Cross fire
CROSSFIRE CF-T80.4 4 CHANNEL AMPLIFIER
Four-channel input Surround Sound
Bring stereo surround sound field to your car. More sound field control than normal amplifier. The sound is more real and presence. Make cars instantly become small concert halls. Let you enjoy an extraordinary feast in the car.
-4 Channel Amplifier
-Suitable for 99% Car Model
-Output Power: 4 ohm 75*4
-Output Power: 2 ohm 110*4
-Bridge output: 4 ohm 180*2
-Harmonic Distortion: <0.05%
-Sound Channel Separation: 50dB (+A)
-Voltage: 11-15V DC
-Effective Frequency: 20Hz-25KHz
-Signal Noise Ratio: >=98dB (+A)
-Input Resistance: 22Kohm
-Input Sensitivity: 200mV-2V
Bass Boost: 0/6/12dB
Recommend with 4.0 System
CF-T80.4 + CF-M65 (optional) + CF-602 (optional)