It can be used as a front-stage upgrade in a multi-amplifier or amplified factory-radio system
The SGR404 uses silver alpha cellulose cones
giving the system full-range playback from a compact
12-Inch Polypropylene Cone: Designed for durable low-frequency reproduction
and optional grilles can be used for exposed mounting applications
Mackie THRASH212GO 12" Battery-Powered Loudspeaker 5.25 Inch Speakers It can be used asThe Mackie Thrash212 GO is a full size 12 inch battery powered loudspeaker designed for portable PA, music playback, DJ setups, announcements, karaoke, and small live events. It provides a practical alternative when AC power is unavailable, inconvenient, or unreliable. Its included rechargeable battery supports operation away from wall outlets while retaining wired input capability. This speaker is suited to mobile performers, event hosts, schools,