Placa de control de volumen de motor ALPS remota montada (admite entrada de audio de 4 vías)
(if you want 100KA verison. 1:Support 4 way stereo Audio input choose. 3: Support One key mute, only remote can conrol it. Input choose board Size:109mm 42mm. 2: input choose board X 1 ( if you choose with RCA Socket. ).