1460690844-66b776a9-b1e3-441a-8968-7357336a7af6

A mounting system for loudspeakers composed of a multiple frame which retain 2 or 4 loudspeakers and a set of single frames which host one loudspeaker such that loudspeakers of standard manufacturing size and type can be mounted to the ceiling of a listening space. Each ribbon suspender is defined by a thickness and a width that is greater than the thickness, and has a first connection portion affixed to the support structure, a second connection portion affixed to the device, and a support portion between the first and second connection portions. Fault conditions in the LED driver ICs can be transmitted back to, the interface IC. The communication apparatus and the antennas are held floating in a case 351 which is filled with a gel, and the case 351 is fixed to the engine cover 12.