Bogen HFCS1 High-Fidelity Ceiling Speaker (Black)The Bogen HFCS1 ceiling loudspeakers deliver superior sound and clear intelligibility in a variety of ceiling environments. The system can be easily installed in hard surfaced ceilings, suspended ceilings, and new constructions. These speakers offer several levels of power output controlled via a front mounted rotary tap selector switch (under grille). The low distortion speaker design, coupled with a computer matched venting system, delivers high