Bosch 6W Panel Speaker with Volume Control Flush / Surface Mounting 100v (each)
Background Music System with 4-Zone Wall Mounted Volume Control
Budget retail sound system bundle with 4 Bose professional pendant speakers, amplifier, and remote volume control - Spectra Displays
NEW Pyle Wall Mount Volume Control, In-Wall Vertical/Sliding Speaker Volume Knob 68888883245 | eBay
2 Pack Slider Speaker Volume Control In Ceiling Home Slide Wall Mount (New) | eBay
Wall Mounted Active Speakers MKIII (inc IR remote volume control) | Sahara AV
Smart alternative for walled volume control switch for ceiling speakers. Anything that will work with home assistant or zwave, zigbee and reasonably priced - I need for four rooms. : r/homeautomation
TOA BS-678BT LOUDSPEAKER Box, wall-mounting, 160mm dual cone, 70/100V, w/volume control, black
Commercial Sound System with 4-Zone Wall Mounted Volume Control
Background Music System with 4-Zone Wall Mounted Volume Control
Best and Cheap Volume Controller for Sales
7 Pack Slider Speaker Volume Control Ceiling Wall Mount Home Speakers Controller | eBay
In Wall Speaker Volume Controls | K&B Audio
In-wall Volume Controls at Crutchfield
TOA 100V 6W Cabinet Speaker with Volume Control White
4 x 5" Ceiling Speaker System - 2-Zone Wall Mounted Volume Control