KTX-100EQ - Alpine Sound Tuning Kit for CDA-9887 CD receiver IMPRINT sound processor for use with the Alpine CDA-9887 CD receiver Rental kit minimizes your expense for creating the perfect listening space on the road Automatic or manually adjustable 3-band parametric EQ, high- and low-pass filters, and time correction Includes microphone lets the IMPRINT measure the acoustics in your vehicle Sound settings are stored in your Alpine stereo's internal memory