Focusrite ISA ADN2 2-Channel AD Card

Focusrite ISA ADN2 – 2-Channel A-D Converter with Dante, ADAT, AES3 & S/PDIF Output for ISA One
Expand your ISA One mic preamp with the Focusrite ISA ADN2, a 2-channel analog-to-digital converter that delivers pristine audio conversion up to 24-bit/192kHz. Designed for professional studios and networked audio environments, the ADN2 adds Dante, ADAT, AES3, and S/PDIF connectivity, enabling seamless integration with digital consoles, DAWs, and Dante audio networks.

Perfect for modern hybrid setups, this converter features dual Ethernet ports for Dante redundancy, Word Clock I/O, and compatibility with RedNet Control and Dante Controller for precise configuration. Whether you're routing to a Dante system, interfacing with ADAT gear, or recording high-resolution audio, the ISA ADN2 ensures top-tier performance with 121dB dynamic range, ultra-low distortion, and unmatched clarity.

Digital Audio Specifications

0 dBFS Reference Level

• Reference Level: +22dBu

Performance

• Frequency Response: 20Hz – 20kHz ±0.1dB
• THD+N: -105dB (0.0006%) unweighted, 20Hz – 20kHz @ -1dBFS input
• Noise (with signal present): -121dBu A-Weighted (typical)
• Dynamic Range: 121dB A-Weighted (typical), 20Hz – 20kHz

Supported Sample Rates

• 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
• Pull Ranges: -4%, -0.1%, +0.1%, +4.167%
• Bit Depth: 24-bit

Clocking

• Clock Sources: Internal or Word Clock
• Word Clock Input: 1x BNC 75Ω (with switchable termination)
• Word Clock Output: 1x BNC 75Ω

Crosstalk

• Input-to-Input Crosstalk: < -100dB, 20Hz – 20kHz (driven channel @ -20dBFS)

Digital I/O Connectivity

Front Panel Output

• Channel Count: 2x Dante Channels
• Output Connector: 1x Male XLR
  

Dante

• Channel Count: 2x Dante Channels
• Output: 2x RJ45 Ethernet Ports (Cat 5e or higher compatible)
  

AES3

• Channel Count: 2x Channels
• Output Connector: 1x Male XLR
  

ADAT

• Channel Count: 2x Channels
• Output Connector: 1x TOSLINK
• Channel Assignments:
• 44.1 / 48 kHz: Port 1, Channels 1–2
• 88.2 / 96 kHz (SMUX I): Port 1, Channels 1–2
• 176.4 / 192 kHz (SMUX II): Port 1, Channels 1–2

S/PDIF

• Channel Count: 2x Channels
• Output Connector: 1x RCA Phono Socket
  

At-a-Glance Highlights

• 2-channel A-D card for ISA One with Dante, AES3, ADAT & S/PDIF output
  
• Up to 24-bit / 192kHz sample rate with 121dB dynamic range
  
• Dual Dante ports with auto switchover for network redundancy
  
• Includes XLR (AES3), RCA (S/PDIF), and TOSLINK (ADAT) outputs
  
• Word Clock I/O for advanced digital sync
  
• Includes exclusive Brainworx bx_console Focusrite plug-in