Product details:

Monoprice 6.5" glass composite 3-way stereo in-ceiling speaker with triple driver design have oversized magnets for more impactful bass. Dual voice coil speaker has 40W nominal and 100W maximum power capacity provide ample headroom. Output power: 40W x 2 (nominal), 100W x 2 (maximum). Frequency: 57 Hz-20 kHz. Dimensions: 9.4" (dia) overall, 8.07" (dia) cut out. Woofer type: Glass composite woofer with 13.3 oz magnet and rubber surrounds. Impedance: 8 Ohms. sensitivity: 85 +or- 2 dB. Crossover: 12 dB per octave. Tweeter size: 1". Tweeter cone: Dual titanium silk membrane dome. Mounting depth: 4.75". Monoprice 6.5" glass composite 3-way stereo in ceiling speaker features with two pivoting tweeters to offer a broader, richer frequency spectrum to deliver unmatched sonic performance.