SPOD's new Low Side High Side interface allows their current 8-circuit SE systems the possibility of being controlled by external switches. This expands the control and capabilities of the Source SE's operations. The LSHS simplifies the installation of remote switches. In addition, the LSHS reduces the installation and labor time when installing systems such as an Alpine head unit (KAC-001). The LSHS must be used in conjuction with SPOD's SourceSE and one of their 8-circuit controllers (Touchscreen, HD or switch panel).