Package Includes:

• (1) Alpine KTX-H12 Linking Kit for (2) S-SB12V or R-SB12V 12" Subwoofer Enclosures
• (1) Pair Rockville RPB3-BLACK Handheld Wireless Linking Portable Bluetooth Speakers

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Description:

Enclosure Stacking Features

Unique to Alpine, the subwoofer 12-inch enclosures are available as a single or "linked" format with an optional mounting bracket. This innovative design allows the sound consumer the option to easily add more bass to their system.

KTX-H12 solution that mounts to the face of the subwoofer and links for a sturdy, dual-subwoofer enclosure. The silver enclosure trim matches the steel bracketing and Halo display trim for a synergized look.

Features:

• Aluminum rear link plate
• 12-inch Front ABS / Steel reinforced port link
• Center link stabilizing dowels
• Alpine logo plate
• All hardware included

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All About Your RPB3 Speakers:

How To Set Up Your RPB2 & RPB3 Speakers:

How To Set Up TWS On Your RPB3 Speakers:

Features:

• Pair Rockville RPB3-BLACK Handheld Wireless Linking Portable Bluetooth Speakers
• Mini Speaker with great frequency range and balanced sound
• The 2 speakers link wirelessly together (TWS - True wireless stereo)
• Built out of high quality aluminum
• Bluetooth version 5.0
• Hands Free phone calls using the built in microphone
• Built-in SD Card Slot
• On android phones, you can use the speaker as a selfie remote
• Input Voltage: DC 5V 1A
• Li-Polymer Battery: 300mAh
• Driver: 40mm, 4Ω 3W
• Net Weight: 95g
• Sound Output: 5W
• Bluetooth Range: 25 Feet
• Frequency Response: 120 HZ - 20 KHZ
• Charging Time: 30 - 40 minutes
• 25% Volume Battery Life: 5 hours
• 50% Volume Battery Life: 3.5 hours
• Max Volume Battery Life: 2 hours
• Color: Black