Alpine SBR-S8-4 Type-R 8” (SWR-8D2, 4Ω) Enclosure System

The SBR-S8-4 8” Enclosed Subwoofer lets you add deep, accurate bass to your sound system without taking up much space in your vehicle.
Alpine's SBR-S8-4 ported sub enclosure gives you the bass your system has been missing without taking up the valuable storage space you need. This enclosure is tuned by Alpine's experts to give you impressive bass with minimal power requirements.

Alpine loaded the SBR-S8-4 with an 8" Type-R subwoofer, a speaker known for its serious bass performance. They created the ported, high-quality MDF enclosure as a perfect match for the sub, guaranteeing maximum punch while maintaining a very small profile.

Specifications
ported enclosure with one 8" Type-R woofer
3/8" medium-density fiberboard construction (3/4" MDF front baffle)
4-ohm total impedance
recommended power: 150-350 watts RMS (1,000 watts peak power)
frequency response: 30-200 Hz
19-1/4"W x 11-3/8"H x 6-5/8""D