C359S
NAD C359S - Stereo Integrated Amplifier with BluOS
C359S
NAD Electronics, Integrated Amplifiers, Integrated Amps
The NAD C 359S brings familiar NAD simplicity together with contemporary performance and connectivity. Delivering 2 × 70 watts of continuous power into 8 ohms, it combines proven Class AB amplification with a high-current, low-noise switch-mode power supply for confident real-world performance. Physical controls keep operation direct and intuitive, while BluOS built-in adds high-resolution streaming and multi-room capability.
HDMI eARC, Bluetooth, phono, flexible connectivity and sophisticated subwoofer integration make the C 359S a versatile centrepiece for music, TV and more.
NAD SIMPLICITY
The C 359S preserves the Classic Series design that has long defined NAD integrated amplifiers. Physical buttons and rotary controls, together with an included IR remote, provide direct access to everyday functions without relying on a large display or menu-driven interface. Behind these familiar controls are modern capabilities including streaming, digital connectivity and flexible system integration. The result is an intuitive listening experience with the flexibility expected from a modern hi-fi system.
BluOS BUILT-IN
With BluOS built-in, the C 359S provides high-resolution music streaming without the need for a separate streamer. The BluOS Controller app makes it easy to access streaming services, internet radio and music stored on a local network, all from one intuitive interface. BluOS also adds multi-room capability, allowing the C 359S to connect with compatible BluOS players throughout the home. With streaming integrated directly into the amplifier, a world of music is always within easy reach.
MODERN CLASS AB
The C 359S pairs proven Class AB amplification with a high-current, low-noise switch-mode power supply. Designed specifically for the amplifier, the power supply delivers clean, stable power with the responsiveness needed for musical dynamics. A modern circuit architecture keeps power conversion, signal processing and amplification carefully separated to help minimise unwanted interaction. With 2 × 70 watts of continuous power into 8 ohms, the C 359S delivers the power and control needed to drive a wide range of loudspeakers with confidence.
VERSATILE CONNECTIVITY
The C 359S brings a wide range of music and entertainment sources together in one system. HDMI eARC makes it easy to enjoy TV sound with the C 359S, while Bluetooth provides convenient wireless listening from compatible devices. Phono, analogue and optical inputs accommodate turntables and other traditional source components, and a dedicated headphone output provides an option for private listening. This flexibility makes it easy to enjoy everything from vinyl and CDs to TV audio and wireless music through the same amplifier.
- 2x 70 Watts of continuous power into 8 ohms
- Class AB amplification
- High-current, low-noise switch-mode power supply
- BluOS built-in for high-resolution music streaming and multi-room capability
- HDMI eARC for TV connection
- Bluetooth aptX HD wireless connectivity
- Phono input for turntables
- Analog and optical digital inputs
- Flexible subwoofer integration with optional high-pass filtering
- Dedicated headphone output
- Physical buttons and rotary controls
- IR remote control included
PREAMPLIFIER SECTION |
|
LINE IN, SUB-OUT (ANALOG BYPASS ON) |
|
| THD (20 Hz – 20 kHz) | <0.005 % at 4V out |
|---|---|
| Signal-to-Noise Ratio | >90 dB (IHF; A-weighted, 500 mV out, unity gain) |
| Input impedance (R and C) | 28 kohms + 360 pF |
| Maximum input signal | >3.7 Vrms (0.1 % THD) |
| Output impedance | 440 ohms |
| Input sensitivity | 160 mV (500 mV out, Volume maximum) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Maximum output voltage | >5 V (0.1 % THD) |
LINE IN, HEADPHONE OUT |
|
| THD (20 Hz – 20 kHz) | <0.005 % at 1V out |
| Signal-to-Noise Ratio | >110 dB (32 ohms load; A-weighted, 1V out, unity gain) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Channel separation | >60 dB at 1kHz |
| Output impedance | 5 ohms |
|
|
LINE IN, SPEAKER OUT |
|
| Rated output power into 8 ohms | 70 W (20 Hz-80 kHz at rated THD, both channels driven) |
| Rated output power into 4 ohms | 120 W (20 Hz-80 kHz at rated THD, both channels driven) |
| THD (20 Hz – 20 kHz) | <0.03 % (250 mW to 120 W, 4 ohms) |
| THD (20 Hz – 20 kHz) | <0.03 % (250 mW to 70 W, 8 ohms) |
| Signal-to-Noise Ratio | >90 dB (A-weighted, 500 mV input, 1 W out 8 ohms) |
| Clipping power | >130 W (1 kHz 0.3 % THD, 4 ohms) >75 W (1 kHz 0.3 % THD, 8 ohms) |
| IHF dynamic power | 8 ohms: 76 W 4 ohms: 144 W 2 ohms: 210 W |
| Peak output current | >20 A (1 ohm, 1 ms) |
| Damping factor | >210 (20 Hz to 1 kHz, 8 ohms) >120 (10kHz, 8 ohms) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Channel separation | >75 dB (1 kHz) >70 dB (10 kHz) |
| Input sensitivity (70 W in 8 ohms) | 510 mV |
| Power consumption, standby mode* | 0.5 W |
| Maximum transmit power | 7 dBm ± 2 dBm |
PHONO INPUT, SPEAKER OUT |
|
| THD (20 Hz – 20 kHz) | <0.05 % at 70 W out 8 ohms |
| Signal-to-Noise Ratio | >82 dB (10 mV in; A-weighted, 1 W out) |
| Input impedance (R and C) | 46 kohms/100 pF |
| Input sensitivity | 3.95mV (60W out 1kHz, 8 ohms, volume maximum) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) Note: The RIAA response is consistent with a pre-emphasis that is rolled off at 50 kHz by a second order filter, such as used in Neumann cutting lathes. |
| Maximum input signal at 1 kHz | >63 mVrms (0.1 % THD) |
OPTICAL INPUT, SPEAKER OUT |
|
| THD (20 Hz – 20 kHz) | <0.05 % at 70 W out 8 ohms <0.05 % at 120 W out 4 ohms |
| Signal-to-Noise Ratio | >90 dB (-13 dBFS in, A-weighted 1 W out) |
| Input sensitivity (70W 8 ohms) | -12 dBFS |
| Sample rate | 44.1 kHz – 192 kHz |
| Channel separation | >75 dB (1 kHz) >70 dB (10 kHz) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
|
|
AUDIO |
|
| Supported audio file format** | MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS |
| Supported high-resolution audio file format** | FLAC, MQA, WAV, AIFF |
| Sampling rate | up to 192 kHz |
| Bit depths | 16 – 24 |
CONNECTIVITY |
|
| Network connectivity | Gigabit Ethernet RJ45 Wi-Fi 5 |
| Bluetooth quality | aptX HD 5.0 |
| Bluetooth connectivity | Receive mode |
USER INTERFACE |
|
| Supported operating system in desktops** | Music playback from network shares on the following desktop operating systems: Microsoft Windows 10 or higher and macOS 10.3 or higher |
| Mobile Application | Free BluOS Controller App available for download from the respective App stores of iOS devices, Android devices, Windows or macOS desktops |
SUPPORTED SERVICES** |
|
| Streaming cloud services | Amazon Music, Bugs, Custom Channels, Deezer, IDAGIO, KKBOX, Napster, Neil Young Archives, nugs.net, Pandora, Presto Music, Qobuz, QPlay, Qsic, SOUNDMACHINE, Spotify, TIDAL, Tunify |
| Free internet radio | Radio, Calm Radio, iHeartRadio, LiveOne, Radio Paradise, SiriusXM, TuneIn |
| Integration partners | Control4, Crestron, ELAN, Lutron, Push, Roon, RTI, URC |
| Voice Control Integration | Skills and support for Amazon Alexa and Apple’s Siri with corresponding enabled devices and App |
|
|
| Gross dimensions (W x H x D) *** | 435 x 100 x 400 mm |
| Net weight | 8.9 kg |
| Shipping weight | 10.7 kg |
Data Sheet  |
Quick Start Guide |
What is Dirac Live?
Dirac Live is an advanced room correction and sound optimisation technology that dramatically improves your audio experience. By analysing how sound behaves in your space, it automatically adjusts your speakers to eliminate distortion, correct timing issues, and balance the overall sound.
When integrated with an AVR, Dirac Live measures the acoustic characteristics of your space using a calibrated microphone, analysing how sound interacts with the room. It then adjusts the speaker’s output to ensure that the sound is balanced and true-to-source, regardless of the room’s shape, size, or materials. This process includes aligning the timing and phase of the speakers to provide a cohesive, immersive sound field—something that would be impossible to achieve with just speaker placement alone.
Contrary to basic EQ systems that mainly flatten the frequency response, Dirac Live corrects both the frequency and impulse response. This means it not only addresses tonal balance but also ensures that transient sounds (like a clap or a drum hit) are reproduced cleanly without smearing or delay. With its capability to adjust for phase issues between speaker drivers, Dirac Live creates a more accurate and immersive audio experience that feels more natural and more true to the recording . By using Dirac Live, you’re essentially enhancing the performance of your sound system by making the sound more realistic and detailed, even in challenging spaces.
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Select Bluesound and NAD products are compatible with Dirac. |
Want to learn more? Check out this video about room correction:
Ready to go? Check out the official Calibration Guide to see how it's done:
PREAMPLIFIER SECTION |
|
LINE IN, SUB-OUT (ANALOG BYPASS ON) |
|
| THD (20 Hz – 20 kHz) | <0.005 % at 4V out |
|---|---|
| Signal-to-Noise Ratio | >90 dB (IHF; A-weighted, 500 mV out, unity gain) |
| Input impedance (R and C) | 28 kohms + 360 pF |
| Maximum input signal | >3.7 Vrms (0.1 % THD) |
| Output impedance | 440 ohms |
| Input sensitivity | 160 mV (500 mV out, Volume maximum) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Maximum output voltage | >5 V (0.1 % THD) |
LINE IN, HEADPHONE OUT |
|
| THD (20 Hz – 20 kHz) | <0.005 % at 1V out |
| Signal-to-Noise Ratio | >110 dB (32 ohms load; A-weighted, 1V out, unity gain) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Channel separation | >60 dB at 1kHz |
| Output impedance | 5 ohms |
|
|
LINE IN, SPEAKER OUT |
|
| Rated output power into 8 ohms | 70 W (20 Hz-80 kHz at rated THD, both channels driven) |
| Rated output power into 4 ohms | 120 W (20 Hz-80 kHz at rated THD, both channels driven) |
| THD (20 Hz – 20 kHz) | <0.03 % (250 mW to 120 W, 4 ohms) |
| THD (20 Hz – 20 kHz) | <0.03 % (250 mW to 70 W, 8 ohms) |
| Signal-to-Noise Ratio | >90 dB (A-weighted, 500 mV input, 1 W out 8 ohms) |
| Clipping power | >130 W (1 kHz 0.3 % THD, 4 ohms) >75 W (1 kHz 0.3 % THD, 8 ohms) |
| IHF dynamic power | 8 ohms: 76 W 4 ohms: 144 W 2 ohms: 210 W |
| Peak output current | >20 A (1 ohm, 1 ms) |
| Damping factor | >210 (20 Hz to 1 kHz, 8 ohms) >120 (10kHz, 8 ohms) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
| Channel separation | >75 dB (1 kHz) >70 dB (10 kHz) |
| Input sensitivity (70 W in 8 ohms) | 510 mV |
| Power consumption, standby mode* | 0.5 W |
| Maximum transmit power | 7 dBm ± 2 dBm |
PHONO INPUT, SPEAKER OUT |
|
| THD (20 Hz – 20 kHz) | <0.05 % at 70 W out 8 ohms |
| Signal-to-Noise Ratio | >82 dB (10 mV in; A-weighted, 1 W out) |
| Input impedance (R and C) | 46 kohms/100 pF |
| Input sensitivity | 3.95mV (60W out 1kHz, 8 ohms, volume maximum) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) Note: The RIAA response is consistent with a pre-emphasis that is rolled off at 50 kHz by a second order filter, such as used in Neumann cutting lathes. |
| Maximum input signal at 1 kHz | >63 mVrms (0.1 % THD) |
OPTICAL INPUT, SPEAKER OUT |
|
| THD (20 Hz – 20 kHz) | <0.05 % at 70 W out 8 ohms <0.05 % at 120 W out 4 ohms |
| Signal-to-Noise Ratio | >90 dB (-13 dBFS in, A-weighted 1 W out) |
| Input sensitivity (70W 8 ohms) | -12 dBFS |
| Sample rate | 44.1 kHz – 192 kHz |
| Channel separation | >75 dB (1 kHz) >70 dB (10 kHz) |
| Frequency response | 20 Hz - 20 kHz (±0.3 dB) |
|
|
AUDIO |
|
| Supported audio file format** | MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS |
| Supported high-resolution audio file format** | FLAC, MQA, WAV, AIFF |
| Sampling rate | up to 192 kHz |
| Bit depths | 16 – 24 |
CONNECTIVITY |
|
| Network connectivity | Gigabit Ethernet RJ45 Wi-Fi 5 |
| Bluetooth quality | aptX HD 5.0 |
| Bluetooth connectivity | Receive mode |
USER INTERFACE |
|
| Supported operating system in desktops** | Music playback from network shares on the following desktop operating systems: Microsoft Windows 10 or higher and macOS 10.3 or higher |
| Mobile Application | Free BluOS Controller App available for download from the respective App stores of iOS devices, Android devices, Windows or macOS desktops |
SUPPORTED SERVICES** |
|
| Streaming cloud services | Amazon Music, Bugs, Custom Channels, Deezer, IDAGIO, KKBOX, Napster, Neil Young Archives, nugs.net, Pandora, Presto Music, Qobuz, QPlay, Qsic, SOUNDMACHINE, Spotify, TIDAL, Tunify |
| Free internet radio | Radio, Calm Radio, iHeartRadio, LiveOne, Radio Paradise, SiriusXM, TuneIn |
| Integration partners | Control4, Crestron, ELAN, Lutron, Push, Roon, RTI, URC |
| Voice Control Integration | Skills and support for Amazon Alexa and Apple’s Siri with corresponding enabled devices and App |
|
|
| Gross dimensions (W x H x D) *** | 435 x 100 x 400 mm |
| Net weight | 8.9 kg |
| Shipping weight | 10.7 kg |
