CI S2 vs SMSL A200
The A200's power @ 8ω is 42W against the CI S2's 120W. Both share bit depth (24-bit), max sample rate (192 kHz), and signal-to-noise (102 dB).
AI-generated product photo — not official manufacturer imagery.
DigitalStreamersIntegrated AmplifiersPower Amplifiers
About the CI S2
The NAD CI SA2-120 BluOS Streaming Amplifier Module is a versatile, rack-optimized solution for multi-room audio systems. Featuring NAD's DirectDigital™ amplification, it provides 2 x 120W or 4 x 60W output with Dynamic Power Management that auto-detects connected speakers for optimal power distribution. It supports BluOS multi-room streaming across up to 64 zones, with two independent zones (Main/Sub) for flexible control. Compact design allows stacking in racks with thermostatic cooling. Includes Dirac Live Ready for future room correction updates. Supports high-res audio up to 192kHz/24-bit, with extensive connectivity including dual-band WiFi, Gigabit Ethernet, Bluetooth aptX HD, AirPlay 2, Spotify Connect, Tidal Connect, HDMI eARC, 3.5mm analog/mini Toslink inputs, subwoofer output, and snap-on Phoenix speaker connectors. Integrates with control systems like Control4, Crestron. Still in production and shipping as of early 2026.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 120W @ 8Ω
- Power @ 4Ω
- 300W @ 4Ω
- Amplifier Class
- D
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 24-bit
- Max Sample Rate
- 192 kHz
Analog Output
Analog signal output specifications
- THD
- 0.005%
- SNR
- 102 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- aptX HD
- Wi-Fi
- Yes
- Ethernet
- Yes
- Digital Inputs
- HDMI eARC, 3.5mm analog, mini Toslink
Streaming Services
Supported streaming platforms and protocols
- AirPlay
- v2
- Chromecast
- No
- Roon Ready
- Yes
- Spotify Connect
- Yes
- TIDAL Connect
- Yes
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 146.5 × 44 × 384 mm (W × H × D)
- Weight
- 2.52 kg (6 lbs)
Key Specifications
Power: 120W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions