Looking at the
specification and the
manual, this is "all-in-one unit, with built-in speakers, so your first question does not make sense. It does not have built-in Bluetooth, either.
So you can use it with old-style iPhone (with 30-pin connector), as an amplifier (with 3.5mm cable between phone jack of your iPad and that unit), or from USB flash disk (if your iPad can work as suck, you can try plugging the USB charging cable).