Extraordinary High-Performance Speakers that Virtually Disappear in Your Room! Flangeless design & micro-perf grille minimize visibility. 7-3/8 square inches (18.62 square cm) visible area is noticeably smaller than competing nominal 6-1/2 inch models. Perfect for use as side/rear surround speakers in home theater systems. Latest generation BDSS drivers for audiophile-grade sound quality. Pivoting Pure Aluminum dome tweeters. Axially Aligned design ensures broad, balanced coverage area. GaussGrip™ magnetic grille fasteners. Adjustable high-definition crossover.
Grille Length :7-3/8 inches
Grille Width :7-3/8 inches
Cutout Width :6-5/16 inches
Cutout Length :6-5/16 inches
Total Depth :3-5/8 inches
Mounting Depth in-wall :3-1/16 inches
Woofer :5-1/4 inch
Tweeter :1 inch
Frequency Response :28 Hz – 30 kHz
Sensitivity :89 dB
Impedance :Compatible with 4 – 8 Ohm outputs.
Min/Max Recommended Power :10/175 WPC

Links:
Datasheet	Web Page	DI Series Manual