Infinity DSP4425

One of the best ways to get superior sound in your car is to add an amplifier to pump up the power, along with a digital signal processor to fine-tune the sound quality. Infinity's incredibly small DSP4425 four-channel amplifier and processor will do both, providing four channels of 25 watts RMS (more than twice the power of a typical factory radio) while sculpting the sound with powerful tuning software using your Windows PC. Infinity designed the DSP4425 to take the signals meant for your vehicle's front and rear speakers, process those signals to create four finely-tuned and powered outputs, and then send them on to your speakers. You can also use this DSP/amp to power front tweeters and midrange drivers, if you're building a front-stage-only sound system. The DSP4425 features a pair of full-range preamp outputs, channels 5 and 6, that can be used to send signals to a subwoofer amp's inputs. An optional remote control works with these channels serving as a bass level controller. Every powered channel fe...