PreSonus Quantum ES 4
USB Audio Interface
Audio Interface$378Manufacturer list price
Specifications
- Type
- Audio Interface
- Description
- USB Audio Interface
- Signal path
- Digital
- Channels
- 4
- Channel format
- 4x4
- Form factor
- Desktop
- Connection
- USB-C
- Sample rate (kHz)
- 44.1/48/88.2/96/176.4/192
- Bit depth
- 24
- Introduced
- 2023
- Phantom power
- 48V
Details
Controls: Auto Gain button, top-panel gain/phantom control
I/O: 4 MAX-HD mic/line inputs, 4 line outputs, headphone out, MIDI I/O
Notable use: Small drum/band tracking setups with MAX-HD preamps
Notes: FLAG: listed as 'Sold out' on presonus.com as of research date (2026-07-18). Task brief also referenced a 'Quantum ES 8'; no such model was found on presonus.com (Quantum ES line appears to be ES 2 and ES 4 only) — FLAG possible task-brief error, not included.