Alpine SPR-68 6x8" Coaxial 2-Way Type-R Speaker Set SPR-68 - Alpine 6" x 8" 200W RMS Type-R Series Coaxial Speakers Power Handling: Peak: 600 watts per pair / 300 watts each | RMS: 200 watts per pair / 100 watts each Multi-Layer hybrid fiber cone delivers a really strong bass response High Amplitude Multi Roll (HAMR) Santoprene rubber surround provides consistent, extended cone movement Top Mount depth: 2-9/16"