Marantz Stereo 70s – Slimline Stereo Receiver


Get serious home cinema with only two speakers. All the technology found in full-size surround sound AV receivers in a slimline, stereo receiver. 75-watts-per-channel, with 8K HDMI, subwoofer output, and streaming built-in.

  • Slimline Design
  • 2.2 Channels
  • 75 Watts Per Channel
  • Custom HDAM
  • 6 HDMI Inputs plus eARC
  • HEOS Built-in
  • 5 Year Warranty

Musical and Cinematic

Enter a new world of high performance, storied heritage, and legendary artisanship.
STEREO 70S -  Leading Technology
STEREO 70S - Leading Technology
STEREO 70s - Exquisite Slimline Design


Marantz design is timelessly elegant—an expression of the musical soundscapes the products create. Our philosophy of balance and symmetry is evident in our sound and our designs. Meticulously engineered in a compact chassis, STEREO 70s fits where standard equipment cannot.

STEREO 70s - Slim and Elegant DesignSTEREO 70s - Slim and Elegant DesignSTEREO 70s - High Resolution AudioSTEREO 70s - Sound Master TunedSTEREO 70s - Home Cinema from Only Two Channels
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For the Soundtrack of Your Life

HEOS® Built-in has a search feature that lets you find and stream from the world’s leading music platforms, including TIDAL, Pandora, and Amazon Music HD.


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Search for Songs Across Platforms

HEOS® Built-in has a search feature that lets you find and stream from the world’s leading music platforms, including TIDAL, Pandora, and Amazon Music HD.
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Your Whole Home in One Place

HEOS-enabled devices allow you to control multiple rooms, all with the HEOS app.
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Hi-Resolution Streaming

Use your HEOS-enabled Marantz devices to access high-resolution music streaming and discover a whole new way to love your favorites.

Technical Specifications

Power Amplifier

Number of Powered Channels2
Power Output (8 ohm, 20 Hz – 20 kHz, 0.08% 2ch Drive)75 W
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive)100 W
Discrete Power AmplifierYes
Amplifier TopologyClass A/B


HDMI In / Out6 / 1
Analog In / Fixed Level Out3 in / out
Phono (MM) InYes
Digital In: Optical / Coaxial1 / 1
Multi-Room Out: analog / digital1 / 0
Multichannel Preamp Out2.2
Subwoofer Out2
Number of Speaker Terminals4
Speaker A / BYes
USB AudioUSB A (Host)
DAB+/FM TunerYes

Multichannel Surround Technologies

Max Number of Processing (Preamp) Channels2,1


Total HDMI Inputs / No. Support 8K6 / 3
HDCP2.3 supportYes
HDMI Outputs: Main / Zone1 / 0
HDMI Upscaling1080P/4K to 8K
Audio Return ChannelARC
Video Dynamic RangeHDR / HLG / Dolby Vision / HDR10+ / Dynamic HDR
ALLM (Auto Low Latency Mode) Pass-through for gamingYes
Variable Refresh Rate / Quick Frame TransportYes / Yes
HDMI Pass-Through in Standby ModeYes

Performance Technologies

Pure Direct ModeYes
Gold Plated RCA TerminalsYes
Hyper Dynamic Amplifier Modules (HDAM)Yes

Music File Support

Lossy FormatsMP3 / WMA / AAC
Lossless formatsFLAC HD 192/24 / WAV 192/24 / ALAC 192/31
DSD Audio2.8 MHz / 5.6MHz
Gapless PlaybackFLAC, WAV ,ALAC ,DSD
Compressed Audio Enhancer: MDAX2Yes
Network Audio SharingYes

Streaming Services

HEOS Multi-room and StreamingYes
AirPlay Audio StreamingAirPlay2
Internet RadioTuneIn
Spotify*Spotify Connect
* availability of services might vary per region
Other Streaming Services *Amazon Music HD/Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / Soundcloud / Mood Mix
* availability of services might vary per region
Roon testedYes

Network Connectivity

Ethernet PortsYes
Bluetooth Re-transmit for Bluetooth headphonesYes (with volume control)

Smart Home Integration And Control

Voice Assistant CompatibilityAlexa / Google Voice Assistant / Apple HomePod
App for Smart Phones & Tablets (iOS & Android)Marantz AVR App
HEOS Multi-Room IntegratedYes
HEOS Link Compatibility: IR/ IPYes / Yes
Multi-Room zones1
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog2 Ch / 2Ch / Yes / Yes
Zone Audio Output: Speaker / PreoutNo/Yes
HDMI DiagnosticsYes


Front Displayport hole OLED
GUI LanguagesEnglish, Spanish, French, German, Italian, Dutch, Polish, Swedish, Russian
Setup AssistantYes
Smart Select on RemoteYes
Firmware Update by Network / USBYes / Yes
ECO ModeYes
Auto Power offYes
Sleep TimerYes


System Remote ControlRC-052SR
Power Consumption in W210
Standby Consumption in W0.2
CEC Standby Consumption in W0.5
Network Standby Consumption in WLess than 2.0
What’s in the boxMain unit, remote control, batteries, DAB+/FM antenna, wire labels, quick start guide, Audyssey microphone, card boardmicrophone stand, 2 external detachable antenna, AC cord
UPC code747192140267
Dimensions (W x H x D)442mm x 375mm x 109mm
Weight in kg8.4
Availabe coloursBlack / Silver-Gold




Product Type

Stereo A/V Receiver

Marantz employs product designers and engineers with over 30 years of know-how and experience. They perform over 50 different quality validation and assurance tests for every piece that ships with the Marantz name on it. Every Marantz takes years of up-front design detailing, sound obsessing, and experience validation before they deliver a single unit to you. And they continue testing throughout the product’s life. Everything they know and everything they do is intended to make your Marantz ownership better. That’s the real value of 70 years.
SKU: marantz-stereo-70s-slimline-stereo-receiver Category: