Abstract: A automobile audio amplifier (10) for having an upper body portion (12) and a lower body portion (14), the upper body portion (12) being larger so as to form a mounting rim (16) for affixing the automobile audio amplifier (10) in a mounting hole (18) of a mounting surface (20). A plurality of corner brackets (32, 32a) are provided for optionally positioning substantially under the mounting rim for affixing the automobile audio amplifier (10) to the exterior of the mounting surface (20). Within the automobile audio amplifier 10 is an amplifier circuit (28) having affixed thereto a plurality of wiring blocks (22) for attaching a like plurality of wires (30).