Alpine RS-W12D2 Amplifier Plugs and Connectors Inputs: The Alpine processor features

Inputs: The Alpine processor features 14 speaker-level inputs that can accept either low-level signals up to 8V or high-level signals up to 26V

All-in-One Audio Performance: Equipped with 4

85 in / 22 mm Mounting Hole Diameter (F) 5

71 in / 145 mm Mounting Depth (E) 4

2 Front logo badges

Alpine RS-W12D2 Amplifier Plugs and Connectors Inputs: The Alpine processor featuresAbout the Alpine RS W12D2 Shallow mount upgrade Alpine's R Series subwoofers are known for their high power handling and tight response. The new RS W12D2 shallow mount sub delivers the same quality in a speaker that'll fit where other subs won't. Small size, big impact Built around a solid, cast aluminum frame, this shallow sub requires a mounting depth of less than 3. 25 inches. Yet the RS W12D2's cone excursion is the same as a regular R Series sub,