Polk Audio 265-RT + Polk Audio 255C-RT 5.0 Vanishing Series In-Wall Home Theater Speaker Package This Speaker Package includes (4) Polk Audio 265-RT In-Wall Speakers & (1) Polk Audio 255C-RT Center Speaker 265RT: 1" swivel-mount silk/polymer dome tweeter, dual 6-1/2" woofers, sound-shaping controls, frequency response 45-25,000 Hz (-3dB), handles up to 200 watts, sensitivity 91 dB, 8-ohm impedance, paintable Sheer-GrilleTM for stealth installation 255C-RT: frequency response 50-25,000 Hz (-3dB), 1" swivel-mount silk/polymer dome tweeter, dual 5-1/4" Dynamic Balance woofers, handles up to 150 watts, sensitivity 90 dB, 8-ohm impedance, timbre matched to Polk RTi series speakers, PowerPort technology for punchier bass