CAMBRIDGE SOUNDWORKS Megaworks THX 250D Subwoofer 150W Model MMS0650 Tested

Mordaunt Short Alumni Black MS339 Subwoofer . Comes As Pictured Powers Up

Sony SA-WP780 Active Powered Subwoofer Ampified Sub Speaker =

KEF Kube 1 Active Subwoofer Black. FAULTY- INTERMITTENT POWER

Panasonic Black Subwoofer ,Kelton Subwoofer SB-HW860

Edifier Active Subwoofer - Black

Gale - 'Sub Zero 10' Home Sub-woofer Speaker - 6 Ohms Nominal - With Floor Spike

Monitor Audio Mass W200 Subwoofer