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Marantz Stereo 70S 2.1-Channel Network A/V Receiver

(2 customer reviews)

$700.00

Estimated delivery on 3 August - 14 September, 2025
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Items Included

  • Marantz Stereo 70S 2.1-Channel Network A/V Receiver
  • Remote Control with Batteries
  • AM Antenna
  • FM Antenna
  • Wire Labels
  • Audyssey Microphone
  • Cardboard Microphone Stand
  • 2 x Detachable Wi-Fi Antennas
  • Power Cord
  • Limited 5-Year Manufacturer Warranty
Key Features
  • Up to 75W per Channel at 8 Ohms
  • 8K HDR & High Resolution Audio
  • 3 x 8K & 3 x 4K HDMI Inputs
  • Dual Speaker Inputs
  • Dual Subwoofer Outputs
  • Wi-Fi, Bluetooth & AirPlay 2
  • HEOS Multi-Room Streaming Built-In
  • Multiple Voice Control Assistants
  • Compact Slimline Form Factor
  • Easy On-Screen Setup Assistance

With little space and only a pair of optional bookshelf speakers, you can enjoy high resolution audio and 8K cinema with the Stereo 70S 2.1-Channel Network A/V Receiver from Marantz. The Slimline design gives you more locations for placement in living room or home theater, but packed into the compact receiver is some of the same flexibility and features of the higher end CINEMA Series. Enjoy up to 8K HDR playback and centralized control of your components with six HDMI inputs. Listen to crisp and clear high resolution audio at 75W per channel via your home network library or the Stereo 70S’ built-in support for popular streaming services over Wi-Fi or Ethernet. You can even listen throughout your home with HEOS Built-in multi-room technology.

Easy Setup
Getting up and running with the Stereo 70S is made easy with step-by-step on-screen setup assistance and a built-in menu for speaker configuration.
Ready to Upgrade
The Stereo 70S gives you options for upgrading your music and movie experience. Dual speaker inputs let you add up to two pair of bookshelf speakers, and dual subwoofer outputs let you add dedicated bass support. You can even use the Stereo 70S in conjunction with a higher-end external amplifier by setting it into pre-amp mode.
Built-In Streaming
Wired and wireless audio streaming is possible with the Stereo 70S. Use the Wi-Fi 4 (802.11n) or wired Ethernet port to access your personal digital library on your home network, or use Bluetooth and AirPlay 2 support to stream from mobile devices. When accessing online streaming services, the Stereo 70S gives you support for Spotify, Pandora, SiriusXM, Amazon Music HD, TIDAL, and much more.
Whole-Home Playback
Thanks to HEOS Built-in, you can use the Stereo 70S to send music throughout your home to other optional and compatible speakers. Play the same song throughout your home or a different song in each room.
Bi-Directional Bluetooth
With bi-directional Bluetooth support, the Stereo 70S will play back audio streamed from mobile devices, such as a smartphone or tablet. It can also stream audio out to a pair of optional wireless headphones for a more private listening experience.
Additional Features
  • 1080p and 4K upscaling to 8K
  • Play audio from an optional flash drive via USB
  • Digital decoding of up to 192 kHz 24-bit audio
  • Support for Alexa, Google Voice Assistant, Apple HomePod, and JoshAI
  • Front porthole display for volume and more
  • Front control panel
  • AM/FM tuner
  • Roon tested
  • Audio power off
  • Sleep timer
Category:
Channels
2.1
Power Output per Channel
2-Channel Driven:
75 W at 8 Ohms / 20 Hz to 20 kHz / 0.08% THD
100 W at 6 Ohms / 1 kHz / 0.7% THD
1-Channel Driven:
150 W at 6 Ohms / 1 kHz / 10% THD

HDR Support
Yes: HDR10/HDR10+/Dolby Vision/Hybrid Log Gamma
Pass-Through Support
Not Specified by Manufacturer
Upscaling
1080p to 8K UHD
Rear A/V Inputs
6x HDMI
1x Optical TOSLINK
1x Digital Coaxial
3x Stereo RCA
1x Stereo RCA (Phono MM) with Ground Screw

Front I/O
1x 1/8″ / 3.5 mm Headphone Output
Wi-Fi
Wi-Fi 4 (802.11n)  
Bluetooth
Yes
Tuner Type
AM, FM
Amplifier
Channels
2.1
Amplifier Class
Class-AB
Power Output per Channel
2-Channel Driven:
75 W at 8 Ohms / 20 Hz to 20 kHz / 0.08% THD
100 W at 6 Ohms / 1 kHz / 0.7% THD
1-Channel Driven:
150 W at 6 Ohms / 1 kHz / 10% THD
Audio Processing
Auro 3D Support
No
Video
HDR Support
Yes: HDR10/HDR10+/Dolby Vision/Hybrid Log Gamma
Pass-Through Support
Not Specified by Manufacturer
Upscaling
1080p to 8K UHD
GUI
Yes
Connectivity
Rear A/V Inputs
6x HDMI
1x Optical TOSLINK
1x Digital Coaxial
3x Stereo RCA
1x Stereo RCA (Phono MM) with Ground Screw
Rear A/V Outputs
1x HDMI
2x Stereo RCA Pre-Out
2x RCA Subwoofer Pre-Out
Front I/O
1x 1/8″ / 3.5 mm Headphone Output
Other Rear I/O
1x RCA (Remote) Input
1x RCA (Remote) Output
1x AM Block Input
1x FM Coaxial F-Type Input
1x 1/8″ / 3.5 mm (Remote) Input
1x USB-A Input/Output
1x RJ45 (Ethernet) Input/Output
Speaker I/O
4x Binding Post Pairs
HDCP Support
Yes: Version 2.3
HDMI Compression Modes
Not Specified by Manufacturer
Audio Return Channel (ARC)
ARC
HDMI CEC
Yes
A/B Speaker Selection
Yes
Wireless Connectivity
Wi-Fi
Wi-Fi 4 (802.11n)  
Bluetooth
Yes
Wireless Audio Protocols
AirPlay 2, HEOS, Roon Ready
Control
Virtual Assistant
Apple AirPlay, Works with Alexa, Works with Google Assistant, Josh.ai
Mobile App Compatible
Yes: Android & iOS
App Name: Marantz AVR
Tuner Section
Tuner Type
AM, FM
Power
Power Consumption
Active: 210 W
Standby: 0.2 W
CEC Standby: 0.5 W
Network Standby: 2 W
Physical
Dimensions (W x H x D)
17.4 x 4.3 x 14.7″ / 44.2 x 10.9 x 37.3 cm
Packaging Info
Package Weight
24.355 lb
Box Dimensions (LxWxH)
20.5 x 19.5 x 8.7″

Based on 2 reviews

5.0 overall
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  1. Joseph

    I am very pleased with this amp, purchased to replace on old Bose Stereo Lifestyle system. The HEOS system took only minutes to set up, enabling me to stream internet radio, Sirius, and Spotify. I use it only for stereo music reproduction including CD. The sound is great. I have no regrets and would recommend it.

    Joseph

  2. Joseph

    Excellent sound reproduction. At 75 watts per channel, it works great with my JBL speakers.

    Sounds great at low levels. I recommend this unit for its traditional function as a wonderful stereo receiver.

    Joseph