Rockville RVW1500P8 Speaker Demo in a Mackie Thump15

Demo of a Rockville RVW1500P8 15 inch 8 ohm speaker in a Mackie Thump15 powered monitor. Mackie Thump15 speaker mounting screw size is M6-1.00 x 30 Videoed on an iPhone 6s with a Shure mv88 IOS microphone