Skip to the beginning of the images gallery

Focusrite ISA Two Dual Mono Microphone Preamplifier

OTHER BRANDS

In stock

SKU

ISA-TWO

AED3,769.00

The Focusrite ISA Two is a premium dual-channel microphone preamplifier based on the legendary ISA 110 circuit originally designed by Rupert Neve for George Martin’s AIR Studios. It combines two independent ISA preamps in a single 1U rackmount unit, preserving the classic transformer-based analog character while adding modern flexibility for today’s studio workflows. Officially, Focusrite highlights the use of the original Lundahl LL1538 input transformers, delivering the signature open, warm, and transparent ISA sound. The ISA Two is designed for engineers who need high-end vocal recording, stereo instrument capture, drum overheads, piano recording, and premium front-end gain staging. With switchable input impedance, insert points, variable high-pass filters, and dedicated DI inputs, it offers exceptional versatility for both modern and vintage microphones.

Notify me when the price drops

Wishlist Compare

Details

Overview

The Focusrite ISA Two is a premium dual-channel microphone preamp based on the legendary ISA 110 circuitry originally designed by Rupert Neve. Built for professional studios, engineers, and serious recording setups, it delivers classic Focusrite analog character with exceptional clarity, headroom, and versatility.

Each channel offers independent microphone, line, and instrument inputs, variable input impedance, insert points, and precision metering, making it an ideal front-end for vocals, instruments, stereo recording, and high-end tracking applications.

Key Features

2 independent ISA microphone preamps
Original Lundahl LL1538 input transformers
Up to 80dB total gain
Variable input impedance selection
Mic, line, and instrument inputs
Dedicated insert points per channel
Switchable phase reverse
Variable high-pass filter (16Hz – 420Hz)
8-segment LED peak metering
Optional ADC card expansion slot
1U rackmount design

Classic ISA Sound

The ISA Two carries the signature sound of Focusrite’s classic ISA range, known for its transparent yet musical character. The Lundahl transformers provide warmth, depth, and excellent transient response, making it highly suitable for vocals, acoustic instruments, and dynamic sources.

Flexible Input Options

Each channel features microphone, line, and front-panel instrument inputs, allowing seamless switching between recording sources. The variable impedance settings help optimize performance with different microphones, including vintage and ribbon microphones.

Wide Gain Range & Low Noise

With up to 80dB of gain and an ultra-low noise floor, the ISA Two is capable of driving gain-hungry microphones while maintaining clarity and detail. Its wide dynamic range makes it suitable for demanding studio applications.

Precision Control & Monitoring

Each channel includes switchable phase reverse, insert points for external processors, and detailed LED metering for accurate gain staging. The variable high-pass filter helps control unwanted low-end rumble during recording.

Ideal For

Professional vocal recording
Stereo acoustic instrument recording
Drum overheads
High-end instrument DI recording
Studio front-end upgrades
Broadcast and voice-over

Specifications

Model: ISA Two
Channels: 2
Mic Gain Range: 0 to 60dB + 20dB trim
Total Gain: Up to 80dB
Input Impedance: 600Ω, 1.4kΩ, 2.4kΩ, 6.8kΩ
Frequency Response: 10Hz – 110kHz
High-Pass Filter: 16Hz – 420Hz
EIN: < -123dBu
THD+N: 0.0025%
Instrument Input Impedance: 2MΩ
Form Factor: 1U Rackmount
Dimensions: 482 × 280 × 44 mm
Weight: 3.7 kg

Why Choose the Focusrite ISA Two?

The Focusrite ISA Two is an excellent choice for engineers who want premium analog front-end quality with legendary transformer-based sound. Its flexible impedance options, high headroom, and ultra-clean gain make it a strong upgrade for any professional recording chain.

More Information