To provide a limiter apparatus capable of preventing an output signal of a class D amplifier with an oscillation circuit from having an abnormal wave form.

A limiting circuit 100 as a limiter apparatus includes resistors 2, 3, 8, and 9 as a supply voltage adjusting means for clipping a supplied voltage and outputting it as a supply voltage, Zener diodes 4 and 10, transistors 1 and 7, an operational amplifier 17 as an amplification means for amplifying an input signal using the supply voltage as a limit, and resistors 18 and 19.