The HPI 18S incorporates a single 18” driver designed with optimum X-mass for a partially horn loaded enclosure. The result is a full sub bass sound with very high transient attack.
The HPI 218S is a very high powered 2 X 18” front loaded compact sub bass enclosure featuring Quest’s DPRT* technology. It is designed for general purpose bass and sub bass enhancement for live music or high powered disco applications.
