REFERENCE series R1070 is a 7" x 10" 2-way coaxial speaker with a 25 mm tiltable silk dome tweeter. Can be installed in the same mounting hole as a 6 x 9" speaker. separate filter box with only high class components. selectable tweeter level. Best in test in the Brittish magazine Fast Car 2000. Was awarded with gold in the brittish magazine In Car as best 6 x 9" speaker in the Brittish market.