Enjoy sonic excellence with the C 399 HybridDigital DAC Integrated Amplifier with MDC2 BluOS-D Card from NAD Electonics. With its HybridDigital nCore output stage and high-resolution ESS Sabre DAC, the C 399 can reproduce all your digital and analog sources with a level of excitement and refinement that is unprecedented for an NAD Classic Series integrated amplifier. Equipped with stereo RCA, optical, digital coax, USB-A, and HDMI eARC inputs, you can connect practically any audio device to enjoy clear and accurate sound reproduction. For vinyl enthusiasts, the C 399 features a MM phono stage with ultraprecise RIAA equalization, extremely low noise, and high overload margins. With the BluOS-D MDC2 module pre-installed, the C 399 is equipped with one of the most advanced and user-friendly wireless streaming eco systems currently available. The C 399 is built on NAD's history of high-quality amplification and ready for the future.
NAD Electronics C 399 Specs
Key Specs
| Channels | 2.2 |
| Power Output per Channel | 2-Channel Driven: 180 W at 8 Ohms / 20 Hz to 20 kHz / 0.02% THD (RMS) 180 W at 4 Ohms / 20 Hz to 20 kHz / 0.02% THD (RMS) |
| Dolby Compatibility | Dolby Atmos |
| Rear A/V Outputs | 1x Stereo RCA Pre-Out 2x RCA Subwoofer Line-Out |
| Speaker I/O | 4x Binding Post Pair |
| Wi-Fi | Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes |
Amplifier
| Amplifier Type | Integrated Amplifier (Preamp/Power Amp Combo) |
| Channels | 2.2 |
| Amplifier Class | Class-D |
| Power Output per Channel | 2-Channel Driven: 180 W at 8 Ohms / 20 Hz to 20 kHz / 0.02% THD (RMS) 180 W at 4 Ohms / 20 Hz to 20 kHz / 0.02% THD (RMS) |
| Dynamic Power per Channel | 217 W at 8 Ohms 400 W at 4 Ohms 506 W at 2 Ohms |
| Frequency Response | 20 Hz to 20 kHz ±0.3 dB |
| THD | < 0.02% (4 Ohms, 8 Ohms, Full Power) |
| Channel Separation | > 90 dB (1 kHz) > 75 dB (10 kHz) |
| Speaker Impedance | 2 to 8 Ohms |
| Damping Factor | > 150 (8 Ohms) |
Audio Processing
| Dolby Compatibility | Dolby Atmos |
| Auro 3D Support | No |
| Supported File Formats | AAC, AIFF, ALAC, FLAC, MP3, MQA, OGG, WAV, WMA, WMA-L via USB/Network/Optical TOSLINK/Digital Coaxial |
| Supported Sample Rates | Up to 192 kHz / 24-Bit |
| DAC | 384 kHz / 32-Bit (ESS Sabre) |
Connectivity
| Rear A/V Inputs | 1x HDMI 2x Optical TOSLINK 2x Digital Coaxial 1x Stereo RCA (Phono MM) with Ground Screw 2x Stereo RCA 1x USB-A |
| Rear A/V Outputs | 1x Stereo RCA Pre-Out 2x RCA Subwoofer Line-Out |
| Front I/O | 1x 1/4" / 6.35 mm Headphone Output |
| Other Rear I/O | 2x Bluetooth Coaxial F-Type Input 1x Wi-Fi Coaxial F-Type Input 1x USB-C (Service) Input 1x RJ45 (Ethernet) Input 1x USB-A (Service) Input/Output 1x DE-9 (RS-232C) Output 1x 1/8" / 3.5 mm (IR) Input 1x 1/8" / 3.5 mm (IR) Output 1x 1/8" / 3.5 mm (12 V Trigger) Input 1x 1/8" / 3.5 mm (12 V Trigger) Output |
| Speaker I/O | 4x Binding Post Pair |
| HDCP Support | Yes |
| Audio Return Channel (ARC) | ARC |
| HDMI CEC | Yes |
| Media Card Slot | No |
| A/B Speaker Selection | Yes |
| Bi-Amp Capability | No |
| Input Impedance | Line: 56 Kilohms |
| Input Sensitivity | Line: 65 mV Phono: 1.08 mV |
| Max Input Level | Line: > 4.6 Vrms Phono: > 80 mVrms (1 kHz) |
| Signal to Noise Ratio | Line: > 106 dB (A-Weighted / IHF-A) Phono: > 84 dB (A-Weighted) |
| Total Harmonic Distortion (THD) | Line to Speaker Out: < 0.02% Headphone: < 0.005% Phono: < 0.01% |
Wireless Connectivity
| Wi-Fi | Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes |
| Supported Audio Codecs | aptX, aptX HD |
| Wireless Audio Protocols | AirPlay 2 |
| DLNA Support | No |
Control
| External Control Support | Control4, Crestron Command, ELAN, RTI, URC |
| Virtual Assistant | Apple AirPlay, Works with Alexa, Works with Google Assistant, Siri |
| Mobile App Compatible | Yes: Android & iOS App Name: BluOS Controller Functionality: Access Stored Files, Adjust Settings, Firmware Update, Remote Control, Setup |
Power
| Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Power Consumption | Network Standby: 0.6 W |
Physical
| Dimensions (W x H x D) | 17.1 x 4.7 x 15.4" / 43.5 x 12.0 x 39.0 cm (including Protrusions, with Feet) |
| Weight | 22.3 lb / 10.1 kg |
Packaging Info
| Package Weight | 28.715 lb |
| Box Dimensions (LxWxH) | 21.4 x 19.3 x 9.4" |
In the Box
- NAD Electronics C 399 HybridDigital DAC Integrated Amplifier with MDC2 BluOS-D Card
- 2 x Detachable Mains Power Cord
- SR9 Remote Control
- 2 x AA Batteries
- 2 x Bluetooth Antenna
- Calibration Microphone with Ferrite Base
- USB MIC Sound Adaptor
- 2-Year Manufacturer Warranty (Parts and Labor)
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