Boston Acoustics 7" Speaker Foam Surround Repair Kit - 7 Inch Fits Boston CR-8, CR8, HD-7, HD7 Micro 80pv and others that match the measurements. Due to occasional variances in Boston Acoustics frames, a few of these models may require you to trim approximately 1/16" off of the outer perimeter. Same surround that professional reconers use; NOT cheap Chinese imitations! Complete 2 speaker foam surround installation kit - 7 inch Easy to follow step-by-step installation instructions and videos FREE phone support at 1-800-397-9575 and FREE shipping within the U.S.