Focusrite ISA One
Top Pick
Focusrite
Focusrite

Focusrite ISA One

4.7

Best desktop preamp for vocalists and instrumentalists seeking professional studio sound.

This desktop unit brings legendary transformer-based character to your signal chain without the bulk of a full rack. While it lacks the multi-channel capacity of larger studio consoles, it offers a dedicated D.I. and flexible impedance settings that make it the ultimate front-end for solo tracking.

$559.99

In stock

at

Alto Music

Number Of Channels 1
Preamp Circuitry Type Transformer-based, Solid State
Form Factor Desktop, Portable
Desktop, Portable
Rackmount

Who it's for

  • Producers seeking the iconic, warm vintage console sound
  • Engineers wanting precise tonal control over different microphones
  • Musicians recording high-fidelity bass and guitar tracks

Who should skip it

  • Budget-conscious recordists needing multiple channels for drums
  • Users without an existing high-quality audio interface
  • Studio owners with limited desk or workspace

Performance breakdown

Sonic Character

Legendary transformer-based circuitry delivers that classic, sought-after studio warmth.

Excellent

Gain Versatility

Massive 80dB of clean gain handles even the most demanding ribbon microphones.

Excellent

Impedance Flexibility

Four switchable settings allow precise tonal matching for any microphone type.

Excellent

Build Integrity

Rugged desktop chassis designed to withstand years of heavy studio use.

Excellent

Workflow Integration

Independent D.I. and insert points make complex recording setups remarkably simple.

Excellent

Monitoring Precision

High-quality VU metering provides reliable, classic visual feedback for signal levels.

Excellent

Key Specs

Mic Input Gain Range

0dB to 60dB in 10dB steps + 20 dB variable gain

Mic Input Impedance Settings

Low = 600 Ohms, ISA110 = 1400 Ohms, Med = 2400 Ohms, High = 6800 Ohms

EIN (Mic Input)

-126dB (at 60dB gain, 150 Ohm termination, 22Hz/22kHz filter)

THD (Mic Input)

0.0009% (at 30dB gain, 1kHz -20dBu input)

Line Input Impedance

10kΩ from 10Hz to 200kHz

Instrument Input Impedance (High)

greater than 1MΩ

Instrument Input Impedance (Low)

greater than 300kΩ

High Pass Filter Roll off

18dB per octave 3 pole filter, Fixed Frequency 75Hz

Weight

3.9kg / 8.6Ibs

Dimensions (W x H x D)

220mm (W) x 104mm (H) x 254 - 290mm (D)

Know before you buy

Still have a question?

Ask Metto anything about the Focusrite ISA One before you decide.

Focusrite ISA One

Ready to buy?

Pixel Pro Audio
Pixel Pro Audio
In stock
$699.99
Buy
Alto Music
Alto Music
In stock
$559.99
Buy
Vintage King
Vintage King
In stock
$699.99
Buy
Pro Audio Design
Pro Audio Design
In stock
$699.99
Buy
Sweetwater
Sweetwater
In stock
$699.99
Buy