Hi all...I'm installing a car stereo in my shop because of its small footprint. I also want to hook up two speakers inside and two outside each pair with its own volume control. That way the head unit volume acts as master and then I can control the speakers individually.

My challenge has been in finding reasonably sized controls. All I could find are these huge in-wall controls made for home theaters. There's got to be something smaller out there. Any help is greatly appreciated.

Sam