Speaker type: 165Mid/TNB Tweeter 2-way separate slim-woofer; Playback frequency band: 60Hz - 28kHz; Rated input: 60W; Input impedance: 4Ω; Output sound pressure level: 92.7dB (2.83V/1m); Mounting aperture size: 5.6 inches (141 mm); Mounting depth size: 55 mm (without cover: 52 mm) *grille