PreSonus

Quantum ES 2

The PreSonus Quantum ES 2 is a compact, portable 2x2 USB-C interface with clean high-gain preamps, Auto Gain, Fender co-developed instrument input, and low-latency performance, but limited to two inputs and reliant on specific software.

Summed up from 7 published reviews

PriceToday's price on AmazonView on Amazon

Affiliate link · we may earn a commission

What reviewers like

Clean MAX-HD preamps with 75 dB gain 1 3 4 6
Auto Gain sets levels quickly 1 6 7
Compact USB-C design, portable with extra power 1 2 3 4
Fender co-developed Hi-Z instrument input 3 6 7
Low-latency drivers with loopback function 3 5 6 7

What they don't

Limited to two inputs, restricting expandability 1 6 7
Relies on specific software ecosystem for advanced features 3 6 7
Occasional macOS connectivity and driver quirks 3 6

Best for

Solo artists, podcasters, mobile producers needing clean preamps and portability.

Skip it if

Need more than two inputs or prefer metal build.

Where it fits

kind: Interface
inputs: Two
must-haves: Phantom power60 dB+ gainGuitar inputLoopbackUSB-C

Specs

Mic inputs: 2
Type: Audio interface
Best for: Podcasts, Streaming, Music
Max gain: 75 dB
Phantom power: Yes
Guitar input: Yes
Loopback: Yes
Built-in effects: No
USB-C: Yes
MIDI: No

Also worth a look

Questions

Is the PreSonus Quantum ES 2 worth it?

What do reviewers like about the PreSonus Quantum ES 2?

Clean MAX-HD preamps with 75 dB gain. Auto Gain sets levels quickly. Compact USB-C design, portable with extra power. Fender co-developed Hi-Z instrument input. Low-latency drivers with loopback function.

What are the downsides of the PreSonus Quantum ES 2?

Limited to two inputs, restricting expandability. Relies on specific software ecosystem for advanced features. Occasional macOS connectivity and driver quirks.

Who should buy the PreSonus Quantum ES 2?

Solo artists, podcasters, mobile producers needing clean preamps and portability. Skip it if need more than two inputs or prefer metal build.

Sources

We don't test products ourselves. This page sums up 7 published reviews, read on October 24, 2026; each point above links to the reviews that make it.