Bosch LC2-PC30G6-8L 2-way Ceiling Mountable Speaker - 30 W RMS - White - 75 W (PMPO) - 8in Polypropylene Woofer - 1in Titanium Tweeter - 50 Hz to 20 kHz - 333 Ohm

Hear low subs and soaring vocals with a frequency range of sound from 50 Hz-20 kHz 333 Ohm impedance extracts maximum power so you will get more output from your speakers The 2-way Ceiling Mountable speakers provide the finest sound coverage Handles up to 30 W of RMS power