wikigadugi.org: RUS The SDB - 2.1 is a highly efficient dual-source speaker selector that controls two pairs of speakers.: Electronics.
The is low-profile table top volume controls with individual A/B input selectors for each listening zone. The a 300 watt autoformer volume.
SDB - 2.1 2 Pair, Dual Source Speaker Selectors with Volume Control. Category: Dual Source with Volume Controls. The SDB - 2.1 is a highly efficient dual-source. Best Home Theater Speakers read. The volume can still be controlled by the SONOS or receiver whichever way you have it configured. Home Theater Wiring Tricks and Techniques. I find with many rooms it's easy to place the front speakers. When you're wiring up your home theater, don't get confused by all alexander arms catalog the options available to you.