The MLS-100 external loudspeaker is a high performance communications speaker matching the impedance and output requirements of most Yaesu transceivers. It mounts on a swivel stand that is supplied along with mounting screws and bolts. A 6.5 foot (2m) audio cable that terminates in a 3.5 mm mono mini plug is also supplied.
5.5 x 4.2 x 2.5 inches. Black plastic cased speaker and black metal mount. Impedance is 4 ohms and the maximum power input is 12 watts.