I have a kenwood excelon kdc x790
cd motor is broken (so can't play cds unless you use an external cd changer)
has rear aux in that can play an ipod
x6 preamp outputs (5 volts)
eq, crossovers, sub volume control, internal amp on/off, sub reverse/normal polarity + more features.
$55 shipped, pm me if interested.
comes with mounting cage, remote, faceplate, wiring harness