Pioneer GM-D8500M Owner's Manual page 12

section
• (Installation
3 Install the amplifier with the use of
supplied tapping screws (4 mm x 18 mm).
.
\ .
..
3
G) Tapping-screws (4 mm x 18 mm)
@ Drill a 2.5 mm (1/8 in.) diameter hole
G)
Floor mat or chassis0
®
En
) (~----)