AC 3200-II Antenna Combiner vs PA821B Antenna Combiner
The PA821B Antenna Combiner costs about $943 more than the AC 3200-II Antenna Combiner and buys you 3 more I/O, plus IEC C14.
Sennheiser
AC 3200-II Antenna Combiner| Spec | AC 3200-II Antenna Combiner | PA821B Antenna Combiner |
|---|---|---|
| Rack space | 1U | 1U |
| Weight | 11.0 lbs | 4.4 lbs |
| Power draw | 25W | 12W |
| Depth | 380 mm | 230 mm |
| I/O count | 10 | 13 |
| Price | ~$4,297 | ~$5,240 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
AC 3200-II Antenna Combiner
- DC Barrel
PA821B Antenna Combiner
- IEC C14
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerFree, no sign-up. Both units are in the catalog.

