Pyle PDIW55 5.25- Inch In-Wall / In-Ceiling Stereo Speakers, 2-Way, Flush Mount, White (Pair) In-Wall / In-Ceiling System - 2-Way Stereo Sound Speakers 5-1/4'' Midbass Speaker - 1'' High Temperature Voice Coil 1/2'' Polymer Dome Tweeter - 150 Watts Rated Peak Power - Includes (2) Speakers Flush Mount System - Frequency Response: 80Hz - 20kHz - 4 - 8 Ohm Impedance Cut-Out Size:(W x H x D): 6 5/8'' x 10 1/8'' x 2 3/4'' - Overall Size: 7 5/8'' x 11 1/4'' x 2 3/4''