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Apollo x16 Gen 2 vs Volt 476

The Apollo x16 Gen 2 costs about $3,400 more than the Volt 476 and buys you 2 more I/O, plus DB25 and AES3 XLR. Budget 25W more on the circuit.

Universal Audio
Apollo x16 Gen 2
Universal Audio
Volt 476
Apollo x16 Gen 2 and Volt 476 compared on rack space, weight, power, depth, I/O and price
SpecApollo x16 Gen 2Volt 476
Rack space1U1U half-rack
Weight11.9 lbs1.5 lbs
Power draw30W5W
Depth305 mm175 mm
I/O count119
Price~$3,799~$399

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

Apollo x16 Gen 2

  • DB25
  • AES3 XLR
  • BNC
  • Thunderbolt
  • XLR 4-pin DC

Volt 476

  • Combo XLR/TRS
  • TRS 1/4"
  • USB-C
  • DC Barrel

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.

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