01 · Source
8 documented inputs
¼-inch TS + XLR/TRS combo
- Arrives as
- 8 documented inputs
- Connector
- ¼-inch TS + XLR/TRS combo
- Signal
- analog audio
PreSonus Quantum ES 4
Price tracker
Awaiting retailer match~$378
Catalog estimate
Price history
No verified retailer history yet. The catalog estimate is a planning reference; retailer prices and availability may differ.
Price estimate~$378
Price tracker
Awaiting retailer match~$378
Catalog estimate
Price history
No verified retailer history yet. The catalog estimate is a planning reference; retailer prices and availability may differ.
- Documented outputs
- 77 destination connections
- Documented inputs
- 8Based on documented inputs
- Rack space
- Outside rackPlan a shelf, tray, or stage position
- Power draw
- UnverifiedPower requirement is not verified in the catalog
- Catalog estimate
- ~$377.99Use retailer rows for current price and stock
PreSonus Quantum ES 4 Overview
The payoff
Audio Interface decisions, organized around the whole rig.
PreSonus Quantum ES 4 USB-C Audio Interface. Plan its source-defined physical connections and placement in your rig.
- Documented outputs
- 77 destination connections
- Documented inputs
- 8Based on documented inputs
- Rack space
- Outside rackPlan a shelf, tray, or stage position
Signal path for PreSonus Quantum ES 4
Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.
Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination
01 · Source · selectedEach block answers the same three questions: what arrives, what changes here, and what leaves.
PreSonus Quantum ES 4 I/O ports
Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.
Every connector, grouped by job.
Switch panels to keep the hardware view and the documented port list in sync.
| Port | Panel | Connector | Direction | Signal | Channels |
|---|---|---|---|---|---|
| INSTRUMENT 1 | front | ¼-inch TS | input | analog audio | — |
| INSTRUMENT 2 | front | ¼-inch TS | input | analog audio | — |
| PHONES 1 | front | ¼-inch TRS | output | analog audio | — |
| PHONES 2 | front | ¼-inch TRS | output | analog audio | — |
| MIC / LINE INPUT 1 | rear | XLR/TRS combo | input | analog audio | — |
| MIC / LINE INPUT 2 | rear | XLR/TRS combo | input | analog audio | — |
| MIC / LINE INPUT 3 | rear | XLR/TRS combo | input | analog audio | — |
| MIC / LINE INPUT 4 | rear | XLR/TRS combo | input | analog audio | — |
| MAIN 1 | rear | ¼-inch TRS | output | analog audio | — |
| MAIN 2 | rear | ¼-inch TRS | output | analog audio | — |
| LINE 3 | rear | ¼-inch TRS | output | analog audio | — |
| LINE 4 | rear | ¼-inch TRS | output | analog audio | — |
| MIDI IN · 3.5mm Type B | rear | trs eighth | input | data | — |
| MIDI OUT · 3.5mm Type B | rear | trs eighth | output | data | — |
| AUX · USB-C POWER | rear | usb c | input | power | — |
| USB-C · HOST AUDIO / MIDI + BUS POWER | rear | usb c | bidirectional | data | — |
Showing 16 of 16 documented physical ports. Scroll to review the remaining rows.
PreSonus Quantum ES 4 Alternatives
| Compare | External unit |  |  |  |
|---|---|---|---|---|
| Fit | 📐 Outside rack | 📐 1U | 📐 1U | 📐 Outside rack |
| Power | ⚡ Unverified | ⚡ 30W | ⚡ Unverified | ⚡ Unverified |
| Weight | ⚖️ 1.8 lb | ⚖️ 8.6 lb | ⚖️ 6.2 lb | ⚖️ 1.5 lb |
| I/O | 🔌 16 | 🔌 13 | 🔌 39 | 🔌 16 |
| Estimate | 💵 ~$377.99 | 💵 ~$3,799 | 💵 ~$3,199 | 💵 ~$280 |
| Deep dive | Current selection | Full comparison → | Full comparison → | Full comparison → |
Before you buy an PreSonus Quantum ES 4
Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.
Where does the PreSonus Quantum ES 4 live in a complete rig?
The catalog assigns it no rack units. Builder tracks it as non-rack gear; follow the manufacturer’s mounting, case, and form-factor guidance.
How much power does the PreSonus Quantum ES 4 draw?
Its power requirement is not yet verified in the catalog.
What connections does the PreSonus Quantum ES 4 have?
16 documented physical ports, including INSTRUMENT 1, INSTRUMENT 2, PHONES 1, PHONES 2, MIC / LINE INPUT 1, MIC / LINE INPUT 2.
Complete the system
Computer
Custom Custom Rackmount Playback PC
Record, play back or run a virtual soundcheck through the host interface.
Check: Confirm the host connector, operating-system support, audio driver and recording software.
2U · 8 ports · ~$2,999
IEM Transmitter
Galaxy Audio AS-1200T IEM Transmitter
Send a dedicated monitor mix to a performer without a trailing headphone cable.
Check: Check line-output level, mono/stereo routing, RF band and local frequency requirements.
1U · half-rack · 5 ports · ~$230
Patch Bay
Behringer PX3000 Ultrapatch Pro
Bring frequently used connections to an accessible patch point.
Check: Match the signal format and connector; document normalled or pass-through routing.
1U · 2 ports · ~$49Planning guides for audio interface systems.
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