Best Buy: Alpine 10" Single-Voice-Coil 4-Ohm Subwoofer SWE-10S4
AlPINE Wired Remote Controller For SWE 815, S WE 1080, PWE,T0800C, And SSE 1200 Subwoofer Bass The Lunch Box Genuine From Seepuelectronic, $30.16 | DHgate.Com
Alpine SWE-1243 Type-E 12" single 4-ohm subwoofer at Crutchfield
Car subwoofer 12 "30 cm ALPINE SWE-1244E sound electronics columns 88.7dB subwoofers for cars acoustics auto audio parts components speaker - AliExpress
Alpine SWE-815 Active car subwoofer (unboxing) - YouTube
Alpine SWE-1200 - astetta näppärämpi aktiivisubwoofer - Fanatic Audio lta
Alpine SWE 1080 20cm Subwoofer with 160W Amplifier | eBay
Alpine SWE-3000 10" Compact Powered Subwoofer System - Signature Car Sound