The Stinger SI6212 is a 12ft (3.6m) two channel RCA interconnect from the 6000 Series designed to carry line-level audio between a head unit and external amplifiers. It supplies two pairs of phono cables for stereo or bridged amplifier connections.

Construction features oversized OFC conductors, C3 Tech continuous connection construction, mylar shielding, directional twisted-pair winding, split-tip machined metal connectors, blue protective jacket and moulded strain reliefs to reduce interference and improve durability during installation.