Infinity Primus Amps are available in a variety of configurations, delivering the right power and number of channels for full-range and subwoofer applications. For more than four decades, Infinity has made the audio experience a lot more satisfying for the car audio enthusiast. With a broad array of loudspeakers, amplifiers and subwooers available, you can drive with ease and exhilaration. These compact amps are equipped with all th e important inputs and user controls including a bass EQ as well as LPF and HPF crossover contro ls for tailoring sound to suit the characteristics of different vehicles. The Primus Amp s are easily installed and amazingly reliable and once they turn on, they'll make a transducer sit up and sing.