01 Figure 3a Mounting Ring Installation of the 6-1/2" speakers as shown in Figures 3a, b, c. Rotate to Lock Figure 3c Hole Cutout Match Notch on Speaker with Notch on Trim Ring Mounting Hooks Foam Gasket Mounting Slots Front View Grille Trim Ring Grille Screen Rotate to Lock Slots for Mounting Hooks Rotate to Lock Figure 3b Foam Gasket Mounting Ring Custom Door Mounting with Grille Screw Patterns Fit European 170mm Mounting Holes Mounting Hooks Mounting for US 6-1/2" Honda/Toyota Factory Location Rear View Speaker Placement Because of the GT Series speakers' versatile mounting options, there are many placement options which will achieve excellent sound quality in your vehicle. Please consider the following to help you get the most from your speakers. The most spacious stereo image is achieved when the left and right speakers are placed as wide apart as possible. The best center image will be achieved when the distance from the left speaker and the right speaker are as equal as possible from your listening position. This is most easily achieved by placing the speakers as far forward as possible. Treble is directional in nature. This means that high frequencies are reduced as you move off the tweeter's axis. If possible, angle the speakers to be pointed across the car to the listener on the opposite side. This will make each listener slightly off-axis to the tweeter that is closest to that listener, but on axis to the most distant speaker, which helps compensate for the fact that each listener is always closer to one speaker than to the other (see Figure 4). Choosing mounting locations which satisfy all of the above criteria will provide the most satisfying performance...