Model:
M66
SKU:
SAFSALE-1846692
Availability:
In Stock
$7,918.90
Estimated price. Final price and availability are subject to confirmation. Contact our sales team for a current quote.
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High-performance 2-channel streaming DAC and preamplifier featuring BluOS, Wi-Fi 5, Bluetooth 5.0, extensive digital and analog inputs/outputs, and advanced audio processing.

The NAD Electronics Masters M66 is a sophisticated 2.0 channel streaming DAC and preamplifier designed for high-fidelity audio applications. It supports BluOS multi-room streaming and integrates Wi-Fi 5 (802.11ac) and Bluetooth 5.0 connectivity, including aptX HD codec support. The unit offers a wide frequency response from 20 Hz to 20 kHz with minimal deviation and exceptional channel separation for precise stereo imaging. Rear panel connections include multiple digital inputs such as optical TOSLINK, coaxial, HDMI with eARC and HDCP support, as well as analog inputs for both MM and MC phono cartridges. Outputs include balanced and unbalanced stereo and subwoofer connections. Control options extend to compatibility with popular automation systems like Control4 and Crestron, plus voice assistant integration with Alexa and Siri. The M66 is compatible with Android and iOS devices via the BluOS app, enabling seamless wireless control. Its compact dimensions and moderate weight make it suitable for professional installations and high-end audio setups.

  • 2.0 channel streaming DAC and preamplifier with BluOS support
  • Wireless connectivity via Wi-Fi 5 (802.11ac) and Bluetooth 5.0 with aptX HD
  • Wide frequency response: 20 Hz to 20 kHz ±0.2 to ±0.3 dB
  • Multiple digital inputs: HDMI (eARC, HDCP), optical TOSLINK, coaxial
  • Analog inputs include stereo RCA and phono MM/MC with ground screws
  • Outputs: balanced XLR and unbalanced RCA stereo and subwoofer connections
  • Supports high-resolution audio up to 192 kHz / 24-bit
  • Compatible with AirPlay 2, Roon Ready, and Spotify Connect

Specifications

Bluetooth
Bluetooth 5.0
Box Dimensions (LxWxH)
22.2 x 20.8 x 10.4"
Dimensions (W x H x D)
17.1 x 5.2 x 15.2" / 435.0 x 133.0 x 387.0 mm
HDCP Support
Yes
Input Impedance
Line, Phono (MM): 56 Kilohms Phono (MC): 100 Ohms
Input Sensitivity
Line: 185 mV Balanced: 90 mV Phono (MM): 1.7 mV Phono (MC): 123 µV
Mobile App Compatible
Yes: Android & iOS App Name: BluOS
Package Weight
35.125 lb
Power Consumption
Standby: 0.5 W
Signal to Noise Ratio
Line: > 105 dB (A-Weighted / IHF-A) > 108 dB (A-Weighted / IHF-A)
Supported File Formats
AAC, AIFF, ALAC, FLAC, MP3, MPEG-4 SLS, MQA, OGG, OPUS, WAV, WMA, WMA-L
Total Harmonic Distortion (THD)
Line: 0.1%
Wi-Fi
Wi-Fi 5 (802.11ac)
Amplifier Type
Preamplifier
Audio Return Channel (ARC)
eARC
Channel Separation
Line: > 62 dB (1 kHz) > 116 dB (1 kHz) > 106 dB (10 kHz)
External Control Support
Control4, Crestron Command, ELAN, RTI, URC
Front I/O
No
HDMI CEC
Yes
Other Rear I/O
1x USB-A Input/Output 1x RJ45 (Ethernet) Input/Output 1x Micro-USB (Service) 1x DE-9 (RS-232C) Input 1x 1/8" / 3.5 mm (IR) Input 1x 1/8" / 3.5 mm (12 V Trigger) Input 2x 1/8" / 3.5 mm (12 V Trigger) Output 1x Bluetooth Coaxial F-Type Input 1x Wi-Fi Coaxial F-Type Input
Rear A/V Inputs
1x Mono XLR 2x Optical TOSLINK 2x Digital Coaxial 1x HDMI 1x Stereo RCA (Phono MM) with Ground Screw 1x Stereo RCA (Phono MC) with Ground Screw
Rear A/V Outputs
4x Mono XLR Subwoofer 4x RCA Subwoofer 1x Stereo RCA 1x Stereo XLR
Supported Audio Codecs
aptX HD
Supported Sample Rates
Up to 192 kHz / 24-Bit
Virtual Assistant
Alexa Built-in, Siri
Wireless Audio Protocols
AirPlay 2, Roon Ready, Spotify Connect

Technical

Channels
2.0
Weight
16.8 lb / 7.6 kg
Frequency Response
20 Hz to 20 kHz ±0.2 dB 20 Hz to 20 kHz ±0.3 dB
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