The SSVC4 is low-profile table top volume control with individual A/B input selectors for each listening zone. The SSVC4 offers four -zone output for custom installations and uncompromised sound quality and performance. The spring-loaded guillotine-style push terminals accept up to 14 gauge cable. The SSVC"s feature 16 gauge steel construction with our durable black wrinkle powder coating and gray silk-screening.