Focusrite ISA One
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
at
Alto Music
More ISA options
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.
Gain Versatility
Massive 80dB of clean gain handles even the most demanding ribbon microphones.
Impedance Flexibility
Four switchable settings allow precise tonal matching for any microphone type.
Build Integrity
Rugged desktop chassis designed to withstand years of heavy studio use.
Workflow Integration
Independent D.I. and insert points make complex recording setups remarkably simple.
Monitoring Precision
High-quality VU metering provides reliable, classic visual feedback for signal levels.
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)
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