Quad Cortex MK2 vs D-Two Multitap Delay
The Quad Cortex MK2 costs about $1,000 more than the D-Two Multitap Delay and buys you TRS 1/4" and USB-C. It takes 1 rack unit less, too.
Neural DSP
Quad Cortex MK2TC Electronic
D-Two Multitap Delay| Spec | Quad Cortex MK2 | D-Two Multitap Delay |
|---|---|---|
| Rack space | — | 1U |
| Weight | 3.5 lbs | 6.4 lbs |
| Power draw | 20W | 14W |
| Depth | 190 mm | 195 mm |
| I/O count | 7 | 7 |
| Price | ~$1,999 | ~$999 |
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
Quad Cortex MK2
- TRS 1/4"
- USB-C
D-Two Multitap Delay
- XLR Female
- AES3 XLR
- 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.

