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Description
NAD Master Series M33 BluOS Streaming DAC AmplifierIn its simplest form, the M33 BluOS enabled DAC amplifier is an ultra high performance streaming amplifier with superb audiophile sound. As a BluOS enabled component, the M33 can be combined with other players in a BluOS ecosystem of wirelessly networked music players throughout the home for an outstanding whole home audio system. With the employment of the new Purifi Eigentakt Hybrid Digital amplifier technology, the M33 follows NADs long standing
In its simplest form, the M33 BluOS™ enabled DAC/amplifier is an ultra-high-performance streaming amplifier with superb audiophile sound. As a BluOS enabled component, the M33 can be combined with other players in a BluOS ecosystem of wirelessly networked music players throughout the home for an outstanding whole-home audio system. With the employment of the new Purifi Eigentakt™ Hybrid Digital amplifier technology, the M33 follows NAD’s long-standing tradition in identifying and developing cutting-edge amplification technology. With a minimum of 200W per channel on tap, the result is lifelike performance, exemplified by ultra-low distortion and noise.
FEATURES
- BluOS Streaming DAC Amplifier
- HybridDigital™ Purifi Eigentakt™ Amplifier Technology
- Continuous Power: 200W into 8/4 Ohms
- Dynamic Power: 300W into 8 Ohms, 550W into 4 Ohms
- 32-Bit/384kHz ESS Sabre DAC
- Dirac Live Room Correction
- Colour 7” TFT touch display
- 2 x MDC Slots for Future Expansion
- Wireless control with Apple AirPlay 2 and aptX HD Bluetooth Integration
- Comprehensive digital and analogue connectivity including MM/MC phono and HDMI eARC
- Wide variety of music services integrated and supported by BluOS, including Tidal, Amazon Music HD, Deezer, Qobuz, Spotify and TuneIn – the world’s music is available at your fingertips
- BluOS growing ecosystem of compatible brands that tightly integrate hardware and software for an exceptional user experience
- BluOS apps for iOS, Android, MacOS, Windows
- Seamless integration with leading smart home control systems including Crestron, Control4, RTI, URC, Elan, Lutron, iPort and others
TECHNICAL SPECS
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: ±10dB at 10kHz Bass: ±10dB 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
- aptX HD 5.0
- Bluetooth connectivity
- 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
- POWER CONSUMPTION
- Auto Standby ON <0.5W
- Idle Power <40W
- DIMENSIONS AND WEIGHT
- Dimensions WxHxD: 435 x 133 x 396 mm (17 1/8 x 5 1/4 x 15 5/8”)
- Net Weight: 9.7kg (21.4lb)
- Shipping Weight: 18.4kg (40.6 lb)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Buy it
If you're looking for a comfortable thick and nice turtle neck this is the one. It's nice and form fitting nice weight to it to keep you warm. But not to thick that you cant just wear it on a regular sunny day if you wanted. The design pattern Is also very nice. Can dress it up or down. I bought the black and then immediately bought the rust orange color for my friend once he tried on mine he wanted one immediately so I gifted him one. He loves it. Definitely worth the buy. Excellent quality. I bought a Large 5"11 165lbs
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Reviewed in the United States on December 21, 2024
★★★★★ 5
What you see is what you get!
Color: 01-black, Size: Large
Fits great, fabric is amazing, turtle neck fits tight, and the quality is amazing!
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Reviewed in the United States on February 11, 2026
★★★★★ 4
A true turtleneck that retains a snug high neck.
Color: White, Size: X-Large
I've found this brand to have gotten better over the years as far as offering the American market what it needs in terms of realistic sizing. I only wish they'd realize that there are a lot of us who are long in the back and arms where my only choice is to go a size up and sacrifice a slim fit for sleeves that are long enough plus a back that doesn't go up past my waist just because I reach up for something, that and I like to be warm. So these are such nice quality turtlenecks that it's hard to complain about but maybe the company will read this. The snug neck stays up is plus number one since that's why I'm buying a full neck. They come with very nice weaves in the fabric, good enough for casual or formal wear. Finally the warmth you seek is there but I've worn them in what most would think isn't the right temp for a turtleneck. Also they have them in white! Yes, a lot of others just don't for reasons I can't fathom, and the pic you're seeing is accurate, these will form to your shape without being ridiculously thin material. Several washes later and they are as fine a garment as when I first wore them. I've only found one other brand that compares to these but it's much more expensive, COOFANDY is affordable in these times of expensive everything. Warm but also a lightweight shirt, I've gotten them really dirty with actual dirt and it washes out so well you'd never know it. Don't let my taking off one star stop you, try one yourself and you'll be coming back for more.
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Reviewed in the United States on July 30, 2025
★★★★★ 5
Quality,warmth and fit
Color: Royal Blue, Size: Small
Really top quality. This is my 4th purchase of these Really great sweaters.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Nice Sweater
Color: 01-black, Size: Large
This is a very nice sweater. It’s reasonably thick and warm. Looks nice. I like it.
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Reviewed in the United States on January 18, 2026