The SA502 is a 50W per channel (4-ohm) Class D amplifier which has a maximum gain of 34 dB, and it
has three operating modes: dual mono, bridged mono or stereo. You can select 12-32 v external trigger
input or auto-standby to conserve energy. It features input options such as unbalanced line level
mini jack, balanced stereo euro block, and a stereo speaker level (amplified) euro block input for
low wattage speaker outputs applications.