Specification:

LJM. L20SE
THD = 0.009% 1K HZ 50W 8R
SR = 35V / US
Ultra-low distortion
Input Sensitivity: 1.2V
Input volume control
Signal to noise ratio greater than 99DB.
Output power 8ohms 150W pc
Output power 4ohms 300w pc 
Cool blue led on/off.          
Speaker protection.
RCA Input.
Supply Rail fusing.

please do see my other listings  HERE.