NAD C 399, stereo amplifier with DAC, HDMI eARC and BluOS support

INFORMACIJA

NAD C 399 is a high-class amplifier featuring 180W per channel, exceptionally clean and detailed sound, and modern connections including HDMI eARC and Bluetooth aptX HD. The modular MDC2 system allows for easy expansion of functionality with BluOS streaming and Dirac Live room correction. It is a versatile and future-proof solution for both music listening and home audio systems.

Power: 2 x 180 W (8Ω / 4Ω)
THD: <0.02%
Signal-to-noise ratio: >95 dB
Frequency response: 20 Hz – 20 kHz

DESCRIPTION

The NAD C 399 HybridDigital DAC Amplifier stands as the flagship of the Classic Series, bringing Masters Series technology and refined engineering to a wider audience. Its HybridDigital nCore amplifier delivers 180 Watts per channel of clean, effortless power, while refined digital processing reveals fine musical detail with clarity and control. Widely recognized by reviewers and honoured with multiple Product of the Year awards, the C 399 has become one of NAD’s most trusted and popular amplifiers. With optional BluOS streaming and Dirac Live Room Correction (Limited Bandwidth) through MDC2, the C 399 adapts as your system evolves and helps deliver balanced listening in any room. HDMI eARC, a precise MM phono stage, and versatile digital and analogue inputs make it easy to enjoy music from all your favourite sources.

KEY FEATURES
180 Watts per channel of HybridDigital nCore amplification
Refined digital architecture for detailed, low-noise playback
Dual MDC2 expansion slots for future upgrades
Optional MDC2 BluOS-D module adds BluOS high-resolution streaming and Dirac Live Room Correction (Limited Bandwidth)
HDMI eARC input for seamless TV audio integration
Ultra-low-noise MM phono stage with infrasonic filtering
Two optical and two coaxial digital inputs
Two sets of analogue inputs with low-noise buffer amplifiers
Dedicated headphone amplifier and Bluetooth with aptX™ HD support
Dual subwoofer outputs and two sets of speaker terminals

High-Current Power and Precision
The C 399 uses NAD’s HybridDigital nCore amplifier platform to deliver 180 Watts into 8 ohms per channel of clean, effortless power. Known for its wide bandwidth, stable performance, and exceptionally low distortion, the nCore design maintains composure even with demanding speakers. The result is detailed, dynamic playback that preserves the energy and expression of your music — performance that continues to earn praise from listeners and reviewers alike.

Clear, Dynamic Digital Performance
A refined digital architecture ensures low noise, accurate imaging, and wide dynamic range across all sources. This precision reveals greater texture, definition, and openness in your favourite recordings. Whether streaming high-resolution files or listening to digital sources, the C 399 delivers a natural, transparent presentation.

Built for the Future with MDC2
With two MDC2 expansion slots, the C 399 adapts as new technologies emerge. Adding the optional MDC2 BluOS-D module enables high-resolution streaming, whole-home audio integration, and Dirac Live Room Correction (Limited Bandwidth) through the BluOS Controller app. Thanks to MDC2’s two-way design, room correction benefits apply to all connected sources, ensuring consistently balanced performance in any space.

Versatile Connections for Every Source
HDMI eARC, digital and analogue inputs, and a precise MM phono stage make it simple to connect all your music and entertainment sources. Two sets of speaker outputs, dual subwoofer outputs, and a dedicated headphone amplifier offer flexible system configuration. Bluetooth with aptX™ HD support adds the convenience of high-quality wireless listening,rounding out a system noted for its long-term value and reliable performance.

TECHNICAL SPECIFICATIONS

Amplification
Continuous output power into 8 ohms and 4 ohms >180W (ref. 20 Hz-20 kHz at rated THD, both channels driven)
THD (20 Hz – 20 kHz) <0.02% (250 mW to 180 W, 8 ohms and 4 ohms)
Signal/Noise Ratio >95 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
Clipping power 210W (at 1 kHz 0.1 % THD)
IHF dynamic power 8 ohms: 217 W
Peak output current >26 A (in 1 ohm, 1 ms)
Damping factor >150 (ref. 8 ohms, 20Hz to 6.5kHz)
Frequency Response ±0.3 dB (20 Hz - 20 kHz)
Channel Separation >90dB (1 kHz)
Input sensitivity (for 180 W in 8 ohms) Line In: 201 mV
Preamplifier
THD (20Hz-20kHz) <0.002 % at 2 V out
Signal/Noise Ratio >106dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel Separation >100dB (1 kHz); >90 dB (10 kHz)
Input Impedance (R and C) 56 kohms + 100 pF
Maximum Input Signal >4.6 Vrms (ref. 0.1 % THD)
Output Impedance Source Z + 320 ohms
Input Sensitivity 65mV (ref. 500 mV out, Volume maximum)
Frequency Response ±0.3 dB (20 Hz - 20 kHz)
Maximum voltage output - IHF load >>5 V (ref. 0.1 % THD)
Phono
THD (20Hz-20kHz) <0.01% at 2 V out
Signal to Noise Ratio >84dB (200 ohms source; A-weighted, ref. 500 mV out)
Input Impedance (R and C) 46 kohms/100 pF
Input Sensitivity 1.08mV (ref. 500 mV out, Volume maximum)
Frequency Response* ±0.3 dB (20 Hz - 20 kHz)
Maximum Input Signal at 1kHz >80 mVrms (ref. 0.1 % THD)
Headphone
THD (20Hz-20kHz) <0.005% at 1V out
Signal/Noise Ratio >107 dB (32 ohms loads; A-WTD, ref. 1V out, unity gain
Frequency Response ±0.3 dB (20 Hz - 20 kHz)
Channel Separation >62 dB at 1kHz
Output Impedance 2.2 Ohms
General Specifications
Supports bit rate/sample rate up to 24 bit/192 kHz
Frequency band 2.402G- 2.480G
Maximum transmit power (dBm) 7 dBm ± 2 dBm
Weight & Dimensions
Gross dimensions (W x H x D) ** 435 x 120 x 390mm
Net Weight 11.2kg (24.7lb)
Shipping Weight 13.6kg (30lb)

DOCUMENTS

User Manual (EN)