Patent ID: 7604090
Filing Date: 2009-10-20
Classification: H04R

Abstract:
1. A speaker apparatus comprising: a speaker box body having a speaker mounted on a front surface side thereof, said speaker producing audio signals through said front surface side, a rear surface side of said speaker box body being closed to provide a closed space in said speaker box body, the rear surface side of said speaker box body having a wall concaved inwardly over a predetermined range to provide a recessed section in the rear surface side, the recessed section being partitioned from the closed space in said speaker box body; a circuit unit removably accommodated in said recessed section of said speaker box body; and a retention structure for retaining said circuit unit, removably accommodated in said recessed section, in said recessed section, wherein the circuit unit is a mixer device having various manipulators; and wherein the mixer device is accommodated in said recessed section so that the mixer device faces the closed space.