Marantz M-CR612 Network CD receiver review & specs

The Marantz M-CR612 network CD receiver is a feature-packed device that delivers high-quality sound in a compact design. With a 4-channel amplifier, it lets you bi-amp one pair of speakers or drive a second pair in A/B configuration, making it versatile for a variety of listening situations.

The integrated CD player can play standard CDs, CD-Rs, and CD-RWs, while the AM/FM tuner provides access to local radio stations. Dual-band Wi-Fi allows for music streaming over your wireless home network, and built-in Bluetooth lets you connect to your devices wirelessly.

Marantz M-CR612 network CD receiver
Marantz M-CR612 network CD receiver photo: Marantz

The M-CR612 also works with voice control assistants like Amazon Alexa, Google Assistant, and Siri, making it easy to control your music with just your voice.

Media playback features include compatibility with HEOS wireless whole-home audio, Apple AirPlay 2 for streaming music from an Apple device, and built-in streaming from popular services like Pandora, Spotify, SiriusXM, Amazon Prime Music, TIDAL, and thousands of free internet radio stations.The M-CR612 can be integrated into a wireless multi-room audio system, allowing you to stream music to HEOS wireless speakers and components in different rooms and control each room’s sound independently with the free HEOS app.

It can even play high-resolution digital music files via USB storage device or a networked computer, with support for PCM up to 24-bit/192kHz resolution and DSD up to 5.6 MHz .dsf files.

In terms of connectivity, the M-CR612 features two optical digital inputs, an RCA analog stereo input, analog stereo RCA output, preamp output for a powered subwoofer, Ethernet port for wired network connection, rear USB input, and four pairs of binding post speaker connectors. There’s also a 3.5mm headphone output for private listening.

While the Marantz M-CR612 network CD receiver has a lot of great features, there are a few cons to consider. One is that the display can be difficult to read from a distance, and there’s no option for adjusting the brightness. Another is that the remote control is not backlit, which can make it hard to use in dimly lit rooms. Additionally, some users have reported issues with Wi-Fi connectivity, which can be frustrating.

For some Hi-Fi enthusiasts, the Marantz M-CR612 receiver may seem a bit puzzling. It’s often referred to as an “all-in-one” system online, but it lacks one crucial element: speakers. However, this is a deliberate choice by Marantz.

Marantz M-CR612 network CD receiver
– Marantz M-CR612 network CD receiver –

When you purchase the M-CR612, you’re investing in its connectivity, power, and audio technology. Unlike other Hi-Fi systems that come with built-in speakers, Marantz offers you the freedom to select your preferred speakers. This enables you to create a personalized system that suits your individual requirements.

While you may need to obtain your own speakers, Marantz takes care of everything else for you. The M-CR612 provides access to Wi-Fi channels and can be easily connected to your smart assistant, making it a versatile and user-friendly Hi-Fi audio device.

With the right speakers, the Marantz M-CR612 can deliver exceptional sound quality that’s both clear and voluminous. The sound is open and rich, offering plenty of depth where it counts. Moreover, the HEOS multi-room system provides the flexibility to wirelessly stream different music sources in different rooms and control your audio quality from your smartphone. The integration with Alexa is seamless and intuitive, enabling you to control your music with just your voice. Additionally, the high-performance technology embedded in the M-CR612 means that you can play your music at louder volumes without worrying about distortion. Finally, with the option to use both sets of speaker inputs, you can really crank up the volume and take your party to the next level.


Summary: The Marantz M-CR612 network CD receiver is an impressive stereo receiver that offers excellent connectivity options, powerful amplification, and easy-to-use controls. However, it should be noted that some streaming services may require a subscription, and the unit’s price point may not be suitable for all budgets.

Marantz M-CR612 network CD receiver specifications:

High quality power output2 x 60W
CD Compatibility: CD / CD-R/RW / WMA / MP3Yes / Yes / Yes / Yes
Tuner: FM / AMYes / Yes
HEOS Multiroom and StreamingYes
Online service (HEOS)Spotify Connect, Amazon Prime, Deezer Premium+, iHeart Radio, Pandora, SiriusXM, Sound Cloud, Tidal
Streaming audio from computerYes
AirPlay 2 Audio StreamingYes
Internet radioTune In
Voice control using AlexaYes
Voice Control – Google Assist / Apple SiriYes
Ethernet / WiFi 2.4GHz (11b/g/n) / WiFi 5GHz (11a/n)Yes
WiFi setup: WPS / WiFi SharingYes / Yes
Lossy formats: MP3 / WMA / AACYes / Yes / Yes
Lossless formats: FLAC HD / ALAC / WAV / AIFF / DSDYes / Yes / Yes / Yes / Yes
DSD Audio2.8 / 5.6 MHz
FLAC / WAV / ALAC192kHz / 24bit
Gapless Playback – FLAC / WAV / DSDYes / Yes / Yes
Remote APP: iDevice / AndroidYes HEOS App
Tone Control: Bass / Treble / BalanceYes / Yes / Yes
Low noise OLED displayYes / Yes / Yes
Illuminated frontBlue, White, Green, Orange
Alarm: Once / Daily / Programmable / TimerYes / Yes / Yes / Yes
IR Learning for TV remoteYes

Marantz M-CR612 Inputs/Outputs

analog In/out1 / 1
Digital Optical In2
USB Input: type A1 (rear)
Subwoofer PreOut1
Headphone OutYes
Speaker A / BYes
Speaker Binding PostScrew type


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