2 Ohm stable stereo operation.Thermal Overload & Speaker's Short Protection.Included:RIOT Amplifier, High input cable with connector, Four (4) mounting screws Your first view of the RIOT Series may deceive you. The elegant lines are a textbook exercise in minimalist design. From this point on, however, its power and reproductive authenticities will be anything but minimal. Perhaps the only thing more extensive than the features showcased is the enjoyment you'll derive from them. This is only one reason BOSS Audio has led the way in 12 Volt Entertainment for almost a quarter of a Century.