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. Providing Hi Res audio for 2 zones, the CI S2 integrates seamlessly into distributed audio systems. Compact, flexible, and purpose-built for integrators, the CI S2 delivers modern streaming functionality with the sound quality and reliability expected from NAD Custom Install.

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
POE or DC Power options.

ESS DACs for high performance audio
Configurable 12v Smart Trigger
Ethernet networking for stable, wired performance
Support and custom drivers for leading control and automation systems.

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

The CI S2 features a compact 1U, 1/3-rack- width enclosure, allowing for 6 stereo zones in a 1u rack space. The CI S2 can be combined with other NAD CI Modular Series devices and mounted in the rack using ChassisLink for simple tool free mounting. This space-efficient design supports clean rack layouts and simplifies installation in projects where space and access are limited.

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	-120dBA
Distortion	THD+N, 0.0008%
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, 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 (Zone 1 Only)
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 (Zone 1 Only)
Headphone Output	None
12v Trigger Input	x1 Configurable Smart 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	S1
Generation	1
*Specifications subject to change without notice.