JL Audio VX400/4i Marine Subwoofers spacer/adaptor rings are included allowing

spacer/adaptor rings are included allowing the C1-690x to be installed in bottom-mount applications

Download  MV600/2i Product Manual

625 in / 92 mm Internal Slot Port Height (SH) 2

the possibilities are endless

HX-Series (discontinued): HX300/1 (in Low Pass Mode)

JL Audio VX400/4i Marine Subwoofers spacer/adaptor rings are included allowing4 Channel Class D Full Range Amplifier with Integrated DSP, 100 W x 4 @ 2 ohms 75 W x 4 @ 4 ohms 14. 4V Designed to simplify great audio, every VXi amplifier combines our advanced NexD2 switching amplifier technology with an integrated, full featured digital signal processor. With our second generation NexD2 technology, the VX400 4i full range amplifier outputs up to 75 watts per channel into 4 ohms, or 100 watts into 2 ohms. It can also be bridged