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M33 BluOS Streaming DAC Amplifier

M33 BluOS Streaming DAC Amplifier

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In its simplest form, the M33 BluOS™ enabled DAC / Integrated 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.

Product Highlights

200 Watts x 2 channels into 8 or 4 ohms ( 20-20,000 Hz ) at 0.002% THD

4-ohm stable for use with a wide range of speakers

Frequency Response: 20-60,000 Hz

32-bit/384kHz ES9028Pro SABRE DAC built in

Supports high-res MQA, FLAC, WAV, and AIFF files

Color touchscreen display

Supports voice control with Amazon Alexa and Google Assistant devices

BluOS compatibility for further expansion with Bluesound wireless speakers

Built-in two-way Bluetooth® with aptX HD

Receiver mode for playing sources wirelessly

Headphone mode for listening on Bluetooth headphones

Connects to your home network via built-in dual-band Wi-Fi® or wired Ethernet for music streaming

Includes support for Amazon Music Unlimited, Spotify®, TIDAL, Napster, Deezer, Qobuz and more ( subscription required for some services )

Free internet radio from TuneIn Radio and iHeartRadio

Apple® AirPlay® 2 lets you stream directly from an iPhone® or iPad® and ask Siri to play Apple Music

Free BluOS controller app for iOS®, Android™, Windows, and Mac OS X

Built-in Dirac Live room correction with included calibration microphone improves clarity and stereo imaging

NAD M33 Streaming Amplifier User's Manual



Analog stereo RCA audio input

Phono stage input for turntables with moving magnet and moving coil cartridges

Balanced stereo XLR input

Digital inputs ( all 24-bit/192 kHz ):

2 Toslink optical, 2 coaxial

HDMI ARC input ( 2-channel PCM only; does not support Dolby Digital or DTS )

USB ( Type A ) port for connecting a thumb drive or mass storage device


Stereo RCA preamp output for connecting a separate amplifier

2 mono RCA outputs for connecting powered subwoofers

Two sets of binding post speaker connectors

Mini Type-B USB port for service updates

IR input and 12-volt trigger in/out

Dimensions & Warranty

17-1/8"W x 5-1/4"H x 15-5/8"D

Weight: 21.4 lbs.

Warranty: 3 Years