Alpine R2-W10D2 R Series 10" subwoofer w/dual 2-ohm voice coils iDatastart remote Compatible with Smartphone Control: Yes

Compatible with Smartphone Control: Yes (DRONE Mobile) (myStart plus) (Evo start2) (mycar2)

24-bit) audio files

built-in internal amp (20 watts RMS/85 peak x 4 channels)

also known as RCA inputs or low-level inputs

Alpine R2-W10D2 R Series 10" subwoofer w/dual 2-ohm voice coils iDatastart remote Compatible with Smartphone Control: YesMaximum bass output With over 40 years of experience, Alpine has the know how to deliver the kind of hard hitting bass you want. The R2 W10D4 10" sub capitalizes on this knowledge with a new motor structure with double stacked magnets for deeper bass and tighter sound. Its Kevlar reinforced pulp cone features a durable HAMR Santoprene surround that allows for huge amounts of excursion, and an oversized poly ceramic dust cap supplies rigidity to keep