AR-133 Active DI vs J48 Active DI
The J48 Active DI costs about $20 more than the AR-133 Active DI and buys you TRS 1/4".
Radial
J48 Active DI| Spec | AR-133 Active DI | J48 Active DI |
|---|---|---|
| Rack space | — | — |
| Weight | 1.3 lbs | 1.1 lbs |
| Power draw | Passive | Passive |
| Depth | 110 mm | 0 mm |
| I/O count | 4 | 3 |
| Price | ~$199 | ~$219 |
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
AR-133 Active DI
- TS 1/4"
- XLR Female
J48 Active DI
- TRS 1/4"
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.

