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NAD M33

BluOS® Streaming DAC Amplifier

BluOS High-Res Music Streaming

The Bar has been Raised with the Masters M33 BluOS Streaming DAC Amplifier

Our Flagship Model Builds On Remarkable Success with Advanced Features, Cutting-Edge Technology and High Power

Part of a growing ecosystem of compatible products, BluOS tightly integrates hardware and software for an exceptional user experience. The only true wireless High-Resolution multi-room system available today, BluOS supports the new standard for High Res streaming, Master Quality Authenticated (MQA). BluOS also supports over 20 free and paid subscription services as well as supporting locally stored music libraries. With BluOS, the M33 retains all the audiophile features and further adds a range of facilities that will expand its capabilities yet simplifies ease-of-use at the same time. Operable with the BluOS app, the supplied remote control or through hands-free control with any Amazon Alexa device, the M33’s front panel never needs to be touched.

Key Features of the NAD Masters M33:

- BluOS Streaming DAC Amplifier
- HybridDigital Purifi Eigentakt™ Amplifier Technology
- Continuous Power: 200W into 8/4 Ohms
- 32-BIT/384kHz ESS Sabre DAC
- Dirac Live Room LE Correction*
- Colour LCD touch display
- BluOS multi-room Integration
- 2 x MDC Slots for Future Expansion
- Wireless control with AirPlay 2 and aptX HD Bluetooth Integration
- Comprehensive digital and analog connectivity including HDMI eARC
- Integrates seamlessly with leading smarthome control systems
- MDC (Modular Design Construction) offers ability to upgrade to future digital formats as they become available. Two MDC slots provided.
- CI friendly- RS232 Serial Control Port. Trigger In/Out.
- IR In with learning function

^{*Some features will be available via a future software update; Full Dirac Live upgrades can be purchased through the Dirac Live software.}

AMPLIFIER SECTION

Rated output power (ref. 20 Hz-20 kHz at rated THD, both channels driven)	>200 W into 8 ohms >380 W into 4 ohms
Rated output power, Bridge mode (ref. 20 Hz – 20 kHz at rated THD)	>700 W into 8 ohms
Input sensitivity	865 mV (ref. 200W 8 ohms, Volume maximum)
THD (20 Hz – 20 kHz)	<0.003 % (1W to 200 W, 8 ohms and 4 ohms)
Signal-to-Noise ratio	>98 dB (A-weighted, ref. 1 W out in 8 ohms) >120 dB (A-weighted, ref. 200 W out in 8 ohms)
Clipping power	>210 W (0.1 % THD 1 kHz 8 ohms)
IHF dynamic power	8 ohms: 260 W 4 ohms: 520 W
Peak output current	≥25 A (in 1 ohm, 1 ms)
Damping factor	>800 (ref. 8 ohms, 20 Hz to 6.5 kHz)
Frequency response	±0.2 dB (20 Hz -20 kHz) -3 dB at 60 kHz

PREAMPLIFIER SPECIFICATIONS

LINE IN
Input Impedance (r and c)	47kΩ/180pF
Input Sensitivity	280mV (ref. 500mV out, Volume Maximum)
Maximum input level 20Hz-20Khz	2 Vrms/8 Vrms (low sensitivity mode)
Tone Controls	Treble: ±6 dB at 10kHz Bass: ±6 dB at 100Hz
Max Output Signal	4Vrms (ref. 0.1% THD)
PREOUT
Maximum output level	3.9 Vrms (ref. 0.1% THD)
Signal-to-Noise ratio	>120 dB (A-weighted, ref. 2 V out)
Output impedance	100 ohms
SUBOUT
Maximum output level	1.1 Vrms (ref. 0.1 % THD 100Hz)
Signal-to-Noise ratio	>102 dB (20 Hz-20 kHz, ref. 1V out)
THD+N	<0.005 % (refer 1.1 V 20 Hz-200 Hz)
Output impedance	680 ohms
PHONO
Input sensitivity	MM: 1.2 mV MC: 100 µV
Input impedance (R and C)	MM: 56 kohms/100 pF MC: 100 ohms/280 pF
Signal to noise ratio (ref. 2 V Preout A-weighted)	MM: >92 dB MC: >76 dB
THD+N (ref 2V Preout 1kHz)	MM: <0.003 % MC: <0.02 %
RIAA response accuracy MM/MC	±0.2 dB 20 Hz -20 kHz
HEADPHONES
Output Impedance	2.2ohms
Output power	>100 mW/32 ohms
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
Supported network file share protocol	Server Message Block (SMB)
USB	1 x Type-A port for connection to USB memory stick (FAT32 or NTFS formatted) and supported peripherals
Bluetooth quality	Two-Way (Receive and Headphone modes)
USER INTERFACE
Supported operating system**	Music playback from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and macOS versions**
Mobile Application	Free BluOS Controller App available for download from the respective App stores of Apple iOS devices (iPad, iPhone and iPod), Android devices, Kindle Fire and Windows or macOS desktops
Front panel	7-inch full colour touch screen
Remote control	HTRM 2 remote control
Auto Standby ON	<0.5W
Idle Power	<40W