Balanced differential inputs to provide you with the best sound quality & noise rejection, and accepts RCA or speaker-level inputs so it will integrate into almost any system. Plus, all wire connections are conveniently labeled to make installation a cinch. At Infinity, we take pride in our iconic design heritage. Our design team took great care to ensure that your Infinity DSP Amplifier will look amazing mounted wherever your music takes you. The smooth curve of the amplifier body, angular end cap design, and five-line staff with Infinity logo all tie together with our classic, current and future design language while concentrating on the design of your lifestyle. Infinity DSP Amplifier has everything you need to create an audio system, or expand your existing one, plus the ability to add more power by using it as a line driver when you are ready for your next power upgrade.