Enhance your factory or aftermarket radio and sound system with the Alpine OPTIM 8. Featuring a built-in 8-channel amplifier with Hi-Res Audio playback up to 96kHz/24Bit, the OPTIM 8 is the all-in-one sound solution to amplify and effortlessly sound-tune your system in minutes. | Alpine | | OPTIM 8 8-Channel Sound Processor and Amplifier with Automatic Sound Tuning | Black | Best Buy