Th FD I started with used to have a ford van with a set of those on it. It alos had a Motorola siren and speaker that had a sound you wouldn't mistake for any other vehicle.
The only vintage Motorola electronic siren I've seen and heard is the T1300A. The wail tone sounds somewhat like a mechanical siren, but the wail cycle is too fast to simulate the mechanical tone.
The quad light bar looks like a pair of Signal Stat 374 beacons mounted on a dual cross bar.
The blue ones look a lot like North American 250 beacons and a pair of universal turn signals (Dietz, Grote, Signal Stat) mounted on a Signal Stat or Dietz bar.