The Alpine Vented Type R2 12-in Sub is an absolute powerhouse, and it’s built to transform your car audio experience. It’s like a slumbering giant, coiled and ready to unleash a seismic wave of sound. The carefully engineered vented enclosure, a masterpiece of acoustic design, acts as a megaphone for the low frequencies, channeling and amplifying the deep bass notes. Consequently, your favorite tracks won’t just be heard; they’ll be felt, vibrating through your seat and resonating in your chest. Moreover, this subwoofer delivers a thunderous performance without sacrificing clarity, ensuring every beat is tight, clean, and incredibly impactful. Ultimately, it’s not just a speaker; it’s a concert hall in a box, meticulously crafted to bring studio-quality sound to the open road.
Furthermore, this Alpine Vented Type R2 12-in Sub is a testament to Alpine’s commitment to audio perfection, seamlessly blending robust construction with innovative technology. The durable enclosure acts as a fortified castle for the powerful 12-inch driver, which boasts a reinforced cone and a high-amplitude multi-roll surround. This design allows the subwoofer to move massive amounts of air, generating an astonishingly deep and powerful bass response. In addition, the vented port, a key component of its design, is a precision instrument, finely tuned to extend the low-end frequency range and enhance the subwoofer’s efficiency. Therefore, even at high volumes, the sound remains remarkably distortion-free, a clear signal of its superior engineering. Hence, whether you’re a bass enthusiast or an audiophile, this subwoofer is a monumental upgrade, promising a rich and immersive listening journey.
Finally, the Alpine Vented Type R2 12-in Sub is more than just a piece of equipment; it’s the heart and soul of a premium sound system, a catalyst for an unparalleled sonic adventure. It’s a rhythmic conductor, guiding the music with a powerful and unwavering hand, providing a foundational layer that makes everything else sound better. The robust spring-loaded speaker terminals ensure a secure connection, so you never have to worry about the rhythm skipping a beat. Nevertheless, despite its raw power, it’s surprisingly versatile, and it integrates seamlessly into a wide variety of car audio setups. Indeed, this subwoofer is the final puzzle piece, the missing link that brings your music to life. It’s an investment in pure, unadulterated audio joy, and it promises to elevate every drive into a musical odyssey.
FEATURES:
– 12-inch Type R2 Subwoofer
– Vented enclosure design
– ProLink Port Technology
– Pre-installed subwoofer
– Vented enclosure
– 3/4-inch MDF construction
– Heavy-duty subwoofer grille
– Easy plug-and-play
– Side-by-side stacking
– 2-Ohm impedance
The Alpine R2-SB12 Volt is a 12-inch Type R2 subwoofer in a vented enclosure. Its design features a ProLink Port Technology. The subwoofer comes pre-installed in the enclosure, which is made from 3/4-inch MDF. It also includes a heavy-duty subwoofer grille. The system is designed for easy plug-and-play use. You can stack the enclosures side-by-side. The impedance is 2-Ohms.
– Good service
– Product quality
– Delivered on time
– Very satisfied
– Top notch
– Beautiful sound
– Clear bass
– Heavy bass
– 750 RMS
– As described
– They blew in a couple of weeks
– Cannot handle claimed RMS watts
– Not worth the price
The customer initially had a great experience with the Alpine R2-SB12 Volt Single Type R2 subwoofer. The service was good, and the product arrived on time. The subwoofer produced a beautiful sound with clear and heavy bass. The customer was very satisfied, describing the product as top-notch and as described. However, this satisfaction was short-lived. The subwoofers blew in just a couple of weeks. They could not handle the claimed 750 RMS watts. Ultimately, the customer felt the product was not worth the price. Read more…
R-Series Alpine Subwoofer Enclosure

The image shows the R2-SB12 Volt single sub box from Alpine. It has a single R-Series subwoofer. The enclosure is designed to hold a 12-inch subwoofer. The subwoofer is a part of Alpine’s R-Series lineup. The box is black.
The Alpine R2-SB12 Volt Vented Enclosure

The image displays the Alpine R2-SB12V, a pre-loaded subwoofer in its vented enclosure. The enclosure is a solid black box. A round, gray grille protects the 12-inch subwoofer. The Alpine logo is visible on the top left of the grille. The enclosure is designed for deep, powerful bass.

Alpine Vented R2 12-inch Subwoofer

This image shows an Alpine Vented Type R2 12-inch subwoofer. It is a car audio subwoofer. The subwoofer is in a black, rectangular box. There is a gray metallic frame around the edges of the box. A large “R” logo is visible on the center of the speaker cone. The box has a vented port on the side. The speaker cone is black with a red “R” logo.








