Audison SR 4.500 is a compact 4-channel car amplifier engineered with efficient Class D topology for reduced heat and reliable output. Its design suits modern vehicles where space is limited while maintaining clean sound.

The amplifier supports 4-3-2 channel configurations, accepts both high-level and low-level inputs, and provides automatic turn-on via signal sensing or DC offset for OEM integrations. Built-in selectable high-pass and low-pass filters enable flexible system tuning and seamless speaker or subwoofer setups.