(6) Rockville RM68SP CEA Compliant 6.5 480W Midrange Car Speakers 8 Ohm Rockville RM68SP 8-Ohm Super Performance Midrange Speaker. 6.5" Open Basket Midrange Speaker Kevlar Reinforced Black Pulp Cone. High Compression Super SPL Flat Foam Suspension. Linear Progressive Conex Spider Bullet Phase Plug High SPL Design. Dual Cone for Extended Vocal Range. Ultra Rigid High Tinsel Expanded Steel Basket Super Slim Design Facilitates Easy Door Installations. Oversize 1.5 High Temperature CCAR Voice Coil 60 oz. Magnet Structure Weight. Includes Wire Mesh Grill Rockville RM68SP 8-Ohm Super Performance Midrange Speaker 6.5&#034; or 6 Open Basket Midrange Speaker Kevlar Reinforced Black Pulp Cone High Compression Super SPL Flat Foam Suspension Linear Progressive Conex Spider Bullet Phase Plug High SPL Design Dual Cone for Extended Vocal Range Ultra Rigid High Tinsel Expanded Steel Basket Super Slim Design Facilitates Easy Door Installations Oversize 1.5 High Temperature CCAR Voice Coil 60 oz. Magnet Structure Weight Includes Wire Mesh Grill Power RMS: 60-Watts CEA Rated Peak Power: 120 Watts Impedance: 8 Ohm Cutout Diameter: 5.50 Mounting Depth: 2.20 Frequency Response: 150Hz - 15KHz Sensitivity: 102dB @ 1w / 1m