JBL Professional Control 227C 2-way In-ceiling Speaker - 150 W RMS - 6.50" Kevlar Woofer - 1" Titanium Tweeter - 75 Hz to 17 kHz - 8 Ohm Listen to your favorite music and enjoy great sound with optimal audio output and maximum playback efficiency 8 Ohm impedance extracts maximum power so you will get more output from your speakers Hear low subs and soaring vocals with a frequency range of sound from 75 Hz-17 kHz Uproar the bass as loud as you want with 150 W RMS power without any blaring 6.50" woofer driver size allows better stereo imaging with maximum sound feasibility 1" tweeter driver size provides crispier, well-detailed sound with maximum productivity Offers great productivity with 17 kHz maximum frequency response 95 dB sensitivity for efficient conversion of power into sound to produce adequate audio output In-ceiling form factor for your convenience and simplicity of usage 5.80" depth to provide reliable and optimal Speaker sound output usage