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TECHNICS SB-W33 SUBWOOFER SYSTEM | eBay
Found at a thrift shop for AU$20. They are heavy and they are Technics, I don't know anything else about them… : r/BudgetAudiophile
Technics SL-1210GR Direct Drive Turntable System Bundle | ListenUp
Technics Subwoofer, Audio, Soundbars, Speakers & Amplifiers on Carousell
Technics Sb As60 Active Subwoofer System
MINI SYSTEM TECHNICS SC CH-505 ACTIVE AIR COUPLING WOOFER - YouTube
Used Technics SB-AS500 Subwoofers for Sale | HifiShark.com
Technics SB-AS40 active subwoofer Photo #3267634 - US Audio Mart