PAC AOEM-NIS2 System Interface Kit to Add or Replace An Amplifier in All 1995-2002 Nissan Vehicles with Bose Audio System Designed To Add An Amplifier To The Factory Audio System Allows clean audio quality Plug and play Interface allows for the replacement or addition of an amplifier in 1995-2002 Nissan vehicles with a premium Bose sound system Transformer isolated 20 - 20,000 Hz 4-Channel Interface Output connector: 16-PIN