The new design and enhanced performance of the R2-Series subwoofers offer deeper bass and tighter bass control compared to the previous generation. Updates to the new generation include larger, double-stacked magnets, an integrated Faraday ring, and a Kevlar-treated cone. All of these updates equal unmatched durability and reliable performance, even at high volumes. The R2-W8D2 handles up to 350 watts RMS. Its dual oversized 2-ohm voice coils allow you to draw maximum power from your mono amp. Since it works well in sealed or ported enclosures you'll enjoy your music the way you like to hear it.
Q: Can the subwoofer be used in both sealed and ported enclosures?
A: This subwoofer works well in sealed or ported enclosures, so you can enjoy your music the way you like to hear it.
Q: What is the size of the magnet in the subwoofer?
A: The magnet size of the subwoofer is 56 ounces.
Q: What is the warranty on the subwoofer?
A: The subwoofer has a one-year warranty for both parts and labor.
Q: What is the maximum power handling of the subwoofer?
A: The maximum power handling of the subwoofer is 1000 watts.
Q: What is the minimum frequency response of the subwoofer?
A: The minimum frequency response of the subwoofer is 30 hertz.
Q: how many subwoofer come with this
A: undefined

The new design and enhanced performance of the R2-Series subwoofers offer deeper bass and tighter bass control compared to the previous generation. Updates to the new generation include larger, double-stacked magnets, an integrated Faraday ring, and a Kevlar-treated cone. All of these updates equal unmatched durability and reliable performance, even at high volumes. The R2-W8D2 handles up to 350 watts RMS. Its dual oversized 2-ohm voice coils allow you to draw maximum power from your mono amp. Since it works well in sealed or ported enclosures you'll enjoy your music the way you like to hear it.

ULTRA-SHALLOW DESIGN For those looking to add powerful, hard-hitting bass performance to their vehicle but lack the space to add a subwoofer, Alpine’s R-Series Shallow Subwoofer delivers the same fun and loud sound you’ve come to expect, now in a shallow subwoofer that’s designed to fit in most vehicle applications. EXTREME OUTPUT Don’t let the size fool you – the R-Series Shallow Subwoofers feature the same motor movement (20MM of excursion) as the full-size R2-Series Subwoofers for extreme output in a shallow woofer design. At the heart of the R-Series Shallow Subwoofers is an oversized 4-inch voice coil that houses the lightweight and powerful neodymium magnet for 600W RMS of power handling. Precise Bass Control Alpine’s Gen2 DD-Linear Magnetic Circuit technology, a compact and efficient dual-gap voice coil structure, allows for better control over the motor, resulting in lower distortion and precise bass control. FEATURES 10” High-Performance Shallow Bass Driver Alpine Gen2 DD Linear Magnetic Circuit Cast Aluminum Frame Aluminum Dust Cap Neodymium Magnet What's in the Box: 10” R-Series Shallow Subwoofer Owner’s Manual Warranty Information Online product registration information TECH SPECS Mounting Depth: 3.25” (82.55mm) X-Max: 20mm Voice Coil: 4”(102mm) Frequency response: 29Hz – 200Hz Sensitivity (1W/1M): 83bB Nominal Impedance: 2Ω 600W RMS / 1800W Peak Power Handling Compatible with KTE-RS10G Subwoofer Grille Kit (sold separately) RS-W10D2 - THIELE-SMALL PARAMETERS Sensitivity (1W/1m): 79 dB DC Resistance (Re): 1.8∆ + 1.8∆ Free Air Resonance (Fs): 30 Hz Equivalent Stiffness: 20.64 L Mechanical Q (Qms): 6.67 Electrical Q (Qes): 1.11 Total Q (Qts): 0.95 Cone Area (Sd): 380 cm2 Linear Excursion (Xmax): 20 mm Mechanical Travel (Xmech): 54 mm

Add extra punch to your sound system with the Next-Generation Alpine S-Series Subwoofers; now redesigned for powerful and reliable bass performance at an approachable price point. With a power handling of 300W RMS and a peak power handling of 900W, the Next-Gen 8” S-Series Subwoofers deliver outstanding performance value. Boasting a wide frequency response range of 23Hz to 215Hz and a sensitivity of 83dB (1W/1m), these subs ensure powerful and accurate bass reproduction across a diverse range of music genres.

The Pioneer A Series of Shallow Mount Subwoofers uses a highly rigid cone made with MICA injected molded resin which creates a rigid and durable cone. This gives it the ability to produce accurate bass. The TS-A2000LD2 8 in. shallow mount subwoofer has multiple, patent-pending features that deliver the big bass performance of a full size subwoofer, but in a compact design that can be installed either behind or under seats, depending on the type of vehicle.
Rating 4.5 out of 5 stars with 2 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.