So, you need a Sinclair combiner? Combiners take TV signal from two or more sources then merge them onto a single line. Sinclair is a top-selling manufacturer of combiners, and Solid Signal proudly carries these devices. If you see the Sinclair combiner you need on this page, order it today. If you have questions, or want a product recommendation, call us at 877.312.4547. Solid Signal is your No. 1 source for the best combiners from Sinclair and other electronic products manufacturers. We also carry a full line of taps, diplexers, and splitters.