SX-720 - Stereo receiver with tuner, tape, cd, ld, phono, vcr/dat inputs
GR-P720 - Sound image controller / graphic equalizer
PD-P920M - 6 CD disk changer with 6 cd cartridge. 1-bit DLC
Remote control
AM and FM antennas
Original Remote control
So you have CD Player, AM/FM Tuner, Phono input, and 2 more inputs where you can plug in whatever you want.
Width 10"
Height: 4" amplifier (top)
3.5" tuner/graphic equalizer
3.5" 6CD player
They can be stacked or placed side by side. Inputs by regular RCA stereo cables, speakers as normal.
Intercinnects between units vua special flat cables, included.
You can see a demo here:
https://youtu.be/n589WQvgNrw