Used - Very Good: JBL Cinema 610 5.1 CH Home Theater Speakers System with Powered Subwoofer and Dedicated Center Speaker Home Audio Speakers - Newegg.com
JBL 4181 Single 18" Cinema Subwoofer System 4181 B&H Photo Video
5628 | JBL Professional Loudspeakers
Pair of JBL Cinema Theater 4645B Subwoofer s W 2242H - 8ohm - 25Hz MONSTER LFE | eBay
JBL 5628 Ultra Long Excursion Very High Power Dual 18" 5628 B&H
Monoprice Ht-35 Premium 5.1-channel Home Theater System - Espresso, With Powered Subwoofer, Low Profile Speaker Grilles, Secure Mounting Option : Target
5628 | JBL Professional Loudspeakers
JBL 3635 18" Cinema Subwoofer System 3635 B&H Photo Video