55-2421 - Multicomp Pro - 8" High Excursion Woofer - 120W RMS 4ohm
MTX 8-Inch 120W RMS Amplified Single Vented Subwoofer Enclosure by MTX :B0178GAN0U:urban life - 通販 - Yahoo!ショッピング
Amazon.com: Facmogu 2PCS 8 Inch Full Range Audio Speakers, RMS 50W Peak 120W 4 Ohm, Car Vehicle Audio Full Range Drivers, Wide Range Bass Woofer DIY Loudspeaker Replacement - Yellow : Electronics