Overview Product Description Polycom 12 channel installed audio system that allows you to connect a combination of Polycom microphones that use up to twelve channels - for use with SoundStructure C12 and SoundStructure SR12 (2200-33120-001) Product Videos Custom Field Product Reviews Write a Review Write a Review × Poly (Plantronics & Polycom) 2200-33120-001 Poly SoundStructure Audio System - New Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *