Revel C763 6 ½" In-Ceiling Loudspeaker Grill Colour:White The HPA4 features two balanced

The HPA4 features two balanced stereo inputs and two unbalanced stereo inputs

"There is no excess rendering or exaggeration

High Res USB DACs

and one of the most advanced Hi-Res Audio multi-room wireless systems available

Revel C763 6 ½" In-Ceiling Loudspeaker Grill Colour:White The HPA4 features two balancedC763 6 " In Ceiling Loudspeaker Revel in ceiling loudspeakers draw upon the same research, resources, and unique perspectives that put all our loudspeakers in a class by themselves. Each model offers a standard setting low sonic coloration and freedom from distortion over a wide dynamic range. C763 Highlights Long throw woofers with cast frames and rubber surrounds provide high output with low distortion 1 inch (25mm) angle adjustable, metal dome