Jamo A 101 SUB compact subwoofer for sale. This versatile unit can be wall-mounted or sit on the floor. Used, but in good working condition. C/w owner s manual. Below is info from the manufacture The Jamo A 101 SUB subwoofer employs dual 203mm / 8-inch bass drive units, one passive and one active, to add a thrilling dimension of deep bass to proceedings, for realistic, engaging reproduction of ...