KEY FEATURES
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Familiar by Design (Section 1 of 5)
The C 359S stays true to the straightforward experience that has defined NAD integrated amplifiers for generations. Select a source, set the volume and settle into the music, with essential functions always close at hand. There’s no large display or menu-driven interface to navigate, yet behind that simplicity is a thoroughly modern amplifier with streaming, digital connectivity and flexible system integration. It’s a familiar approach to hi-fi, thoughtfully updated for how people listen today.
Section 1 of 5
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Engineered to Deliver (Section 2 of 5)
The C 359S takes a modern approach to proven Class AB amplification. Its high-current, low-noise switch-mode power supply draws on NAD’s Class D development expertise, providing clean, stable energy that responds effortlessly to musical demands. Delivering 2 × 70 watts continuously into 8 ohms and 2 × 120 watts into 4 ohms, the C 359S has the drive and composure to bring clarity, dynamics and control to a wide range of loudspeakers.
Section 2 of 5
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Discover More with BluOS (Section 3 of 5)
BluOS built-in brings high-resolution streaming and internet radio directly to the C 359S, making it easy to explore favourite albums, discover new music or tune into familiar stations. The intuitive BluOS Controller app keeps listening close at hand, while presets on the included IR remote provide quick access to preferred stations. Multi-room capability extends the experience to compatible BluOS players throughout the home, bringing more ways to enjoy music while preserving the simplicity that defines the C 359S.
Section 3 of 5
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Made for Every Source (Section 4 of 5)
From vinyl and digital sources to wireless listening and TV sound, the C 359S makes it easy to bring more of what you enjoy into one system. HDMI eARC connects a compatible TV directly to the amplifier, while Bluetooth aptX HD offers convenient wireless listening. Phono, analogue and optical inputs welcome traditional source components, giving the C 359S the versatility to grow with the way you listen.
Section 4 of 5
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A Better Approach to Bass (Section 5 of 5)
Adding a subwoofer can do more than extend bass response. With optional high-pass filtering, the C 359S can redirect low frequencies away from the main speakers, allowing them to focus on the range they handle best. This can improve clarity, imaging and available headroom while helping the speakers and subwoofer work more effectively together. It’s a thoughtful approach to 2.1 integration that can elevate performance across the entire system.
Section 5 of 5
SPECIFICATIONS
| Specification | Details |
|---|---|
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 |
GENERAL SPECIFICATIONS |
|
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) |
BluOS SECTION |
|
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 |
DIMENSION AND WEIGHT |
|
| Gross dimensions (W x H x D) *** |
435 x 100 x 400 mm 17.25 x 4 x 15.25 inches |
| Net weight | 8.9 kg (19.6 lbs) |
| Shipping weight | 10.7 kg (23.6 lbs) |
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