CI S2

BluOS Streaming Module

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The NAD CI S2 BluOS Streaming Module is designed to bring reliable, high-resolution music streaming into professional custom installation systems with efficiency and control. Built on the BluOS multi-room platform, CI S2 provides access to leading streaming services, internet radio, and local music libraries, all delivered with stable network performance and intuitive control. Engineered for up to two zones, CI S2 integrates seamlessly into distributed audio systems, whether centrally located in a rack or deployed locally within the zones. Compact, flexible, and purpose-built for installers, CI S2 delivers modern streaming functionality with the sound quality and reliability expected from NAD Custom Install.

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NAD CI S2 BluOS Streaming Module

BluOS Streaming for AV Integration

At the core of the CI S2 is BluOS, NAD’s advanced streaming platform developed for reliable, high-performance multi-room audio. BluOS supports high-resolution playback and provides access to a wide range of streaming services, internet radio stations, and networked music libraries. Designed for responsive control and long-term stability, BluOS allows installers to deliver a consistent user experience across single zones or larger distributed audio systems.

Two-Zone Streaming with Flexible System Design

The CI S2 is designed as a two-zone streaming solution, allowing installers to deliver independent audio streams from a single compact component. Each zone can be assigned its own content, volume, and output path, making the CI S2 ideal for distributed audio systems that require greater flexibility without added hardware. With analogue and digital connectivity supporting a wide range of amplifiers and system topologies, the CI S2 enables efficient zone expansion while keeping system design streamlined and easy to manage.

Compact Form Factor for Custom Installation

Designed to fit easily into professional environments, the CI S2 features a compact 1U, 1/3-rack-width enclosure. Multiple mounting options allow it to be installed in equipment racks, mounted to walls, or placed discreetly within cabinetry. This space-efficient design supports clean rack layouts and simplifies installation in projects where space and access are limited.

Built for Integration and Long-Term Reliability

The CI S2 is engineered for seamless integration with leading home automation and control platforms. Wired Ethernet networking ensures dependable performance in custom systems, while NAD’s proven engineering standards support reliable, continuous operation. From smaller single-room projects to larger distributed audio installations, the CI S2 provides a streaming solution installers can specify with confidence.

Key Features

  • BluOS high-resolution music streaming platform
  • Two-zone streamer designed for custom installation
  • Compact 1U 1/3 rack width chassis
  • Access to streaming services, internet radio, and local libraries
  • Analogue and digital audio inputs for source integration
  • Stereo analogue and digital outputs for system flexibility
  • Ethernet networking for stable, wired performance
  • Multiple mounting options for rack, wall, or surface installation
  • Support and custom drivers for leading control and automation systems

CS1 rear

AUDIO

  • Supported Audio File Formats
  • MP3, AAC, WMA, WMA-L, OGG, OPUS
  • Supported High-Quality Audio File Formats
  • FLAC, MQA, ALAC, WAV, AIFF, MPEG-4 SLS
  • Supported Multi-Channel Audio Formats
  • Dolby Digital® Downmixing to stereo PCM
  • Native Sampling Rates
  • up to 192 KHz
  • Bit Depth
  • 16-24
  • DAC
  • ESS Sabre 9039Q2M
  • Audio Controls & EQ
  • BluOS Control App
  • Signal-to-Noise Ratio
  • -118dBA
  • Distortion
  • THD+N, 0.0007%

SOFTWARE & INTEGRATIONS

  • Operating System
  • BluOS
  • App Controller Operating System
  • iOS, Android, Windows, macOS
  • Processor
  • ARM® Cortex™ -A53, Quad-Core, 1.8GHz per core
  • Supported Network File Sharing
  • Server Messsage Block (SMB) up to 200,000 files
  • Album Art Supported
  • JPG, PNG
  • Music Services & Internet Radio
  • 23+
  • 3rd-Party Integrations
  • AirPlay 2, Spotify Connect, Qobuz Connect, Tidal Connect
  • Room Correction Software
  • No
  • Control System Integrations
  • Creston, Control4, RTI, Nice, URC, Lutron, Gira, Rako, Rithum, Free@Home, Josh.AI
  • Voice Control Integrations
  • Amazon Alexa Skills

CONNECTIONS

  • Power Supply
  • 12v, 1.25a DC Universal Power Supply
  • PoE
  • Yes (PoE can be used instead of supplied DC PSU)
  • Ethernet/LAN
  • Ethernet RJ45, Gigabit 1000Mbps
  • Wi-Fi Built In
  • No
  • Bluetooth
  • No
  • IR Optical Built In
  • No
  • IR Input
  • 2-pin PHX connector (IR extender kit required)
  • Inputs
  • Toslink Optical, Digital Coax, Stereo RCA
  • HDMI Input
  • No
  • USB In
  • Type A (Fat32, NTFS Formatted) – External Storage Only
    Local Server Mode
  • Dual RCA Outputs
  • Yes
  • Main Zone/Sub Zone Capability
  • Yes (independent volume control over Speaker Output 2
    when activated)
  • Subwoofer Output
  • RCA x 1; Wireless to PULSE SUB+(Linked to Output1/
    Main Zone only)
  • Headphone Output
  • None
  • 12v Trigger Input
  • x1 Programmable Trigger Input
  • 12v Trigger Output
  • Yes (PHX connector)

USER INTERFACE & CONTROL

  • Status Indicator
  • BluOS Status LED
  • Source Status Indicator
  • No
  • Output Status Indicator
  • No

GENERAL

  • Finish
  • Black
  • Max Power Consumption
  • 15w
  • Storage Environment
  • -10°C to 50°C, 20% to 80% relative humidity
  • Operating Environment
  • 0°C to 40°C
  • SKU/Version
  • CI S1
  • Generation
  • 1