Alpine S2-A55V 5-Channel Hi-Res Amplifier + S2-SB12 12" Halo PrismaLink Loaded Subwoofer + RUX-KNOB.2 + Absolute Accessory Bundle

Build a complete Alpine S-Series audio system with the S2-A55V 5-channel Class-D amplifier, S2-SB12 12-inch Halo PrismaLink preloaded subwoofer enclosure, and RUX-KNOB.2 remote bass controller. This package combines full-range speaker amplification, dedicated subwoofer power, Hi-Res Audio performance, deep bass, and customizable RGBW enclosure lighting in one coordinated vehicle audio upgrade.

General Features

• Includes Alpine S2-A55V 5-Channel Class-D Amplifier

• Includes Alpine S2-SB12 12" Halo PrismaLink Preloaded Subwoofer Enclosure

• Includes Alpine RUX-KNOB.2 Remote Bass Controllers

• Hi-Res Audio Certified Amplifier up to 40 kHz

• 40W RMS x 4 + 200W RMS x 1 at 4 Ohms

• 60W RMS x 4 + 300W RMS x 1 at 2 Ohms

• 120W RMS x 2 bridged at 4 Ohms

• Preloaded Alpine S2-W12D4 12" Subwoofer

• 600 Watts RMS / 1800 Watts Peak Subwoofer Power Handling

• 2-Ohm Final Loaded Enclosure Impedance

• Sealed Wedge Enclosure

• RGBW PrismaLink Trim-Bar Lighting

• 12 Static Lighting Colors

• 4 Dynamic Lighting Modes

• IR Remote Lighting Control

• Multi-Link Capable with Optional KTX-LK12

• Includes Absolute TW500 Super Tweeters

• Includes Absolute BT1700 Electrical Tape

• Includes Absolute Universal Mobile Phone Holder

Alpine S2-A55V S-Series 5-Channel Class-D Amplifier

The Alpine S2-A55V delivers five channels of efficient Class-D amplification from a single chassis, powering up to four full-range speakers plus a dedicated subwoofer. Hi-Res Audio certification and a frequency response extending to 40 kHz help deliver detailed, accurate system performance.

S2-A55V Power Specifications

• Amplifier Type: 5-Channel Class-D

• 40 Watts RMS x 4 + 200 Watts RMS x 1 at 4 Ohms

• 60 Watts RMS x 4 + 300 Watts RMS x 1 at 2 Ohms

• 120 Watts RMS x 2 bridged at 4 Ohms

• Hi-Res Audio Certified

• Frequency Response: 20 Hz-40 kHz

• THD+N: Less Than 0.1%

• Signal-to-Noise Ratio: Greater Than 83 dB

• Damping Factor: Greater Than 100

Amplifier Features

• Alpine S-Series Class-D Amplifier Circuit

• Five-Channel Full-System Design

• Dedicated Subwoofer Channel

• Built-In Selectable Crossovers

• Adjustable Crossover Controls

• Selectable Remote Turn-On

• Two-Sided Terminal Layout

• Designed for Factory & Aftermarket Audio Systems

• Remote Bass Control Capability

Alpine S2-SB12 12" Halo PrismaLink Preloaded Subwoofer Enclosure

The Alpine S2-SB12 combines a preloaded 12-inch S2-W12D4 S-Series subwoofer with a sealed wedge-style enclosure and integrated PrismaLink RGBW lighting. The result is strong low-frequency performance with a customizable illuminated design that adds both sound and visual impact to the vehicle.

S2-SB12 Features

• Preloaded Alpine S2-W12D4 12" Subwoofer

• Sealed Wedge Enclosure

• 600 Watts RMS Power Handling

• 1800 Watts Peak Power Handling

• 2-Ohm Final Impedance

• Dual 4-Ohm Voice Coils Wired for 2-Ohm Load

• Frequency Response: 23 Hz-215 Hz

• Sensitivity: 86 dB

• 15mm One-Way X-Max

• 2.6" Voice Coil

• 64 oz Magnet

• Carbon Fiber / Polypropylene Subwoofer Cone

• Alpine H.A.M.R. Surround Technology

• RGBW PrismaLink Lighting

• Multi-Link Capable

S2-SB12 Enclosure Dimensions

• Width: 16.5"

• Height: 15"

• Depth: 13.25"

PrismaLink RGBW Lighting

Integrated RGBW trim-bar lighting gives the S2-SB12 a customizable look that complements the vehicle's interior or audio installation.

Lighting Features

• RGBW Trim-Bar Illumination

• 12 Static Colors

• 4 Dynamic Lighting Modes

• Included IR Remote Lighting Control

• Compatible Lighting-Link Functionality with Supported Alpine Systems

• Multi-Link Design for Compatible Multiple-Enclosure Installations

Multi-Link Capability

Multiple compatible PrismaLink enclosures can be connected using the optional Alpine KTX-LK12 linking bracket, sold separately, for larger custom installations.

Alpine S2-W12D4 Subwoofer Performance

The preloaded S2-W12D4 uses a carbon fiber and polypropylene cone with Alpine's High-Amplitude Multi-Roll surround technology to provide strong cone excursion and controlled bass performance.

• 12" S-Series Subwoofer

• 600 Watts RMS

• 1800 Watts Peak

• Dual 4-Ohm Voice Coils

• 2-Ohm Final Load in S2-SB12 Enclosure

• Frequency Response: 23 Hz-215 Hz

• 15mm One-Way Linear Excursion

• H.A.M.R. Surround

Amplifier & Subwoofer Power Matching

The S2-SB12 presents a 2-ohm load to the amplifier. At 2 ohms, the S2-A55V's dedicated subwoofer channel delivers 300 watts RMS x 1. The S2-SB12 is rated to handle up to 600 watts RMS, meaning the included amplifier operates below the enclosure's maximum RMS power-handling capability.

Alpine RUX-KNOB.2 Remote Bass Controller

The included Alpine RUX-KNOB.2 provides convenient in-cabin bass adjustment for compatible Alpine amplifier applications, letting you adjust subwoofer level without accessing the amplifier.

RUX-KNOB.2 Features

• Remote Bass Level Controller

• Convenient In-Cabin Adjustment

• Compact Installation Design

• Designed for Compatible Alpine Amplifier Systems

• Allows Quick Bass-Level Changes

Absolute TW500 Super Tweeters

Enhance the system's high-frequency output with the included Absolute TW500 Super Tweeters, designed to add brighter highs and increased sound presence to compatible automotive audio systems.

TW500 Features

• Pair of Super Tweeters

• High-Efficiency High-Frequency Design

• Compact Construction

• Factory & Aftermarket Audio Compatible

• Designed for Custom Car Audio Installations

Absolute BT1700 Electrical Tape

The included Absolute BT1700 electrical tape helps insulate, secure, and organize compatible automotive wiring connections during installation.

BT1700 Features

• Automotive Electrical Tape

• High-Adhesion Design

• Heat Resistant

• Flexible PVC Construction

• Ideal for Car Audio Installation Wiring

Absolute Universal Mobile Phone Holder

The included universal mobile phone holder provides a convenient mounting solution for keeping a compatible smartphone accessible for navigation, music, and everyday use.

Phone Holder Features

• Universal Smartphone Compatibility

• Adjustable Viewing Angle

• Secure Grip Design

• Convenient In-Vehicle Installation

• Suitable for Navigation & Everyday Smartphone Access

What's in this Package

• (1) Alpine S2-A55V 5-Channel Class-D Amplifier

• (1) Alpine S2-SB12 12" Halo PrismaLink Preloaded Subwoofer Enclosure

• (1) Alpine RUX-KNOB.2 Remote Bass Controllers

• (1 Pair) Absolute TW500 Super Tweeters

• (1) Absolute BT1700 Electrical Tape

• (1) Absolute Universal Mobile Phone Holder

Optional Accessories

• Alpine KTX-LK12 PrismaLink Enclosure Linking Bracket – Sold Separately

Installation Notes

• The S2-SB12 has a 2-ohm final impedance and is rated for 600 watts RMS.

• The S2-A55V provides 300 watts RMS x 1 at 2 ohms from its dedicated subwoofer channel.

• The S2-SB12's 600-watt RMS rating reflects its power-handling capability; the included S2-A55V does not deliver 600 watts to the enclosure.

• The remaining four S2-A55V channels can power properly matched full-range speakers.

• Verify RUX-KNOB.2 compatibility with the intended amplifier control configuration before installation.

• PrismaLink lighting requires proper electrical connection and configuration.

• A properly sized amplifier wiring kit, fuse protection, ground wiring, speaker wire, signal cables, and other installation accessories may be required.

• Verify enclosure dimensions and available vehicle space before installation.

• Professional installation and system tuning are recommended.

California Proposition 65 Warning

This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.