``The standard that is one step ahead with speed'' A full-fledged speaker with a passive that is easy to install.

In addition to the aluminum diaphragm with a black annotated finish, the 3.16 MK Ⅲ Mid Bass has a EURO-DIN standard high-rigidity steel basket, basket, surround, spider section, speaker cone, and dust cap. In addition to speedy low-frequency reproduction, the clarity of midrange and bass frequencies has been improved. Compatible with the optional aluminum inner baffle ES-T09AL and waterproof cover ES-FSP-65 (silicon baffle), expanding the range of installation options.