2 Pack Alpine RS-SB12 Dual 12" Halo R-Series R2 Preloaded Subwoofer Enclosures with RUX-KNOB.2 Remote Bass Control & Absolute Accessory Bundle

Add powerful low-frequency performance to your vehicle audio system with this Alpine Halo R-Series bundle featuring two Alpine RS-SB12 12-inch R-Series R2 preloaded subwoofer enclosures, an Alpine RUX-KNOB.2 remote bass control, Absolute TW500 Super Tweeters, BT1700 electrical tape, and a universal mobile phone holder. The dual-enclosure configuration combines high-power R-Series subwoofers, Alpine ProLink capability, and distinctive Halo-inspired styling for a clean, performance-focused installation.

General Features

• Two Alpine RS-SB12 12" Halo R-Series R2 Preloaded Subwoofer Enclosures

• Alpine RUX-KNOB.2 Remote Bass Control

• 750 Watts RMS Power Handling Per Enclosure

• 2250 Watts Peak Power Handling Per Enclosure

• 300-750 Watt RMS Recommended Power Range

• Alpine ProLink Enclosure Design

• Optional KTX-H10 Linking Capability

• Double-Stacked Magnet Structure

• 2.6" Voice Coil

• 20mm Linear Excursion

• 26Hz-200Hz Frequency Response

• Halo-Inspired Curved Enclosure Styling

• Silver Accent Trim

• Metallic Front Baffle

• Absolute TW500 Super Tweeters

• Absolute BT1700 Electrical Tape

• Universal Mobile Phone Holder

Alpine RS-SB12 12" Halo R-Series R2 Preloaded Subwoofer Enclosures

This bundle includes two Alpine RS-SB12 12-inch preloaded subwoofer enclosures featuring R-Series R2 subwoofers. Each enclosure is designed to deliver deep, controlled bass while providing a finished installation appearance that complements Alpine Halo components.

R-Series R2 Subwoofer Performance

• 12" R-Series R2 Subwoofer

• 750 Watts RMS Power Handling Per Enclosure

• 2250 Watts Peak Power Handling Per Enclosure

• Recommended Power Range: 300-750 Watts RMS

• Frequency Response: 26Hz-200Hz

• 85dB Sensitivity

• 2.6" / 65.5mm Voice Coil

• 20mm Linear Excursion

• 72mm Mechanical Travel

• Double-Stacked Magnet Structure

• 144 oz Magnet Weight

Enhanced Motor Structure

The R-Series R2 subwoofer uses a larger double-stacked magnet structure designed to provide increased motor force for deeper bass and improved control compared with the previous generation.

• Larger Double-Stacked Magnets

• Increased Motor Force

• Designed for Deeper Bass Output

• Designed for Improved Bass Control

• High-Excursion Subwoofer Construction

Halo-Inspired Enclosure Styling

• Curved Enclosure Edges

• Tapered Exterior Lines

• Silver Accent Trim

• Metallic Front Baffle

• Designed to Complement Alpine Halo Components

• Finished Preloaded Enclosure Design

RS-SB12 Specifications

• Quantity: 2 Enclosures

• Subwoofer Size: 12"

• Frequency Response: 26Hz-200Hz

• Recommended Power Range: 300-750 Watts RMS

• RMS Power Handling: 750 Watts

• Peak Power Handling: 2250 Watts

• Sensitivity: 85dB at 1W/1m

• Voice Coil Diameter: 65.5mm / 2.6"

• Magnet Weight: 144 oz

• Linear Excursion Xmax: 20mm

• Mechanical Travel Xmech: 72mm

• DC Resistance Re: 1.9 Ohms + 1.9 Ohms

• Free-Air Resonance Fs: 29Hz

• Equivalent Compliance Volume: 36.9 L

• Mechanical Q Qms: 6.32

• Electrical Q Qes: 0.44

• Total Q Qts: 0.41

• Cone Area Sd: 479 cm²

• Dimensions: 17" x 26" x 15"

• Weight: Approximately 48.4 lb each

• ProLink: Yes

Alpine RUX-KNOB.2 Remote Bass Control

The Alpine RUX-KNOB.2 provides convenient in-cabin bass gain adjustment when connected to a compatible Alpine amplifier. Once installed in an accessible location, the control allows bass level changes without requiring direct access to the amplifier.

RUX-KNOB.2 Features

• Remote Bass Gain Control

• In-Cabin Bass Adjustment

• Driver-Accessible Control

• Designed for Compatible Alpine Amplifiers

• Supports Multiple Compatible Amplifiers with Appropriate Telephone Cord Adapters

Listed Compatible Amplifiers

• Alpine MRX-M50

• Alpine MRX-M100

• Alpine MRX-V60

• Alpine PDX-M12

• Alpine PDX-M6

Absolute TW500 Super Tweeters

The included Absolute TW500 Super Tweeters are designed to add additional high-frequency output and sound presence to compatible automotive audio systems.

• One 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 is useful for insulating, securing, and organizing compatible automotive wiring connections during installation.

• Automotive Electrical Tape

• High-Adhesion Design

• Heat-Resistant Construction

• Flexible PVC Material

• Ideal for Car Audio Installation Wiring

Universal Mobile Phone Holder

The included universal mobile phone holder provides a convenient mounting solution for keeping a compatible smartphone accessible inside the vehicle.

• Universal Smartphone Compatibility

• Adjustable Viewing Angle

• Secure Grip Design

• Convenient In-Vehicle Installation

• Suitable for Navigation & Everyday Phone Access

What's in this Package

• (2) Alpine RS-SB12 12" Halo R-Series R2 Preloaded Subwoofer Enclosures

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

• (1 Pair) Absolute TW500 Super Tweeters

• (1) Absolute BT1700 Electrical Tape

• (1) Universal Mobile Phone Holder

Installation Notes

• An external subwoofer amplifier is not included and is required to power the two RS-SB12 enclosures.

• Each enclosure is rated for up to 750 watts RMS and should be matched with an appropriately configured amplifier and wiring setup.

• The RUX-KNOB.2 operates only with compatible Alpine amplifiers and does not control the subwoofers directly.

• The supplied information specifically lists the MRX-M50, MRX-M100, MRX-V60, PDX-M12, and PDX-M6 as compatible with the RUX-KNOB.2. Verify compatibility before using it with another amplifier.

• The optional Alpine KTX-H10 ProLink linking kit is sold separately.

• The supplied description references both RS-SB12 and R2-SB12V when discussing ProLink compatibility. This listing follows RS-SB12 as the bundle model number; verify enclosure labeling before fulfillment.

• Verify available cargo space for two 17" x 14.625" x 15" enclosures before installation.

• Additional amplifier wiring, fuse protection, speaker wire, signal cables, and installation hardware may be required and are sold separately unless otherwise included.

• Professional installation is recommended for proper amplifier matching, impedance configuration, gain adjustment, and subwoofer setup.

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.