ARX i-Switch 2 to 12 Pair Out Speaker Selector
Ashly Protea 3.6SP 3x6 Speaker Processor
Ashly Protea 4.8SP 4x8 Speaker Processor
Atlas Sound M1000 8 Inch Masking Speaker System
Audioplex AT-4 Auto Impedance Matching 4-Pair Speaker Selector
Audioplex AT-6 Auto Impedance Matching 6-Pair Speaker Selector
Audioplex MS-10 Selectable Impedance On/Off 10-Pair Speaker Selector
Audioplex MS-8 Selectable Impedance On/Off 8-Pair Speaker Selector
Audioplex PT-4 4-Zone Autofrmr Based; Auto Imp.Matching; 300w Music
Coleman Audio SPK5+1 Speaker Switcher
Niles HPS-4 High Power 4 Pair Speaker Selector
Sima 4-Pair Speaker Selector
Sima SSW-4HP High Power 4 Pair Speaker Selector With Level Controls
Sima SSW-6 6-Pair Speaker Selector
TOA SS-9001 Speaker Selector
Wohler HRS-1S Ultra Compact Full Range Mono Self-Pwrd Speaker Sys-1 Stereo Input