Audison SR4 The Audison SR 4 is a versatile and powerful 4-channel amplifier designed to elevate your car audio experience. Whether you're powering front and rear speakers, a front stage with a subwoofer, or part of a multi-channel system, the SR 4 delivers exceptional audio quality and flexibility. Its independent and fully configurable crossover sections allow for precise tuning and customization to suit your specific needs and preferences. Description SR 4 is a DYNAB four-channel amplifier, perfect for driving Front/Rear, Front/Sub or as part of a multi-channel system, with independent, fully configurable, by-passable crossover sections. Power Output Load Imp. 4 Channels 3 Channels 2 Channels4 Ω 65 W x 4 60 W x 2 + 190 W x 1 175 W x 22 Ω 90 W x 4 -