Description

Marantz STEREO 70s Stereo Network Receiver

Experience rich stereo performance with modern connectivity in a compact form.
The Marantz STEREO 70s combines classic stereo sound with cutting-edge home theater features. It delivers powerful audio output, 8K HDMI support, flexible streaming, and elegant design—all in a sleek, space-saving chassis.

Highlighted Features

Premium Amplification — 75W x 2 Channels
Enjoy a lifelike soundstage with Marantz’s fully discrete 2-channel amplifier, delivering 75 watts per channel for refined, powerful, and dynamic audio across all your sources.

Advanced HDMI Connectivity with 8K Support
Featuring six HDMI inputs (three with 8K support), this receiver easily accommodates game consoles, media streamers, and Blu-ray players. HDMI ARC simplifies TV integration, offering a clean and minimal setup.

Dual Subwoofer Outputs
Connect two subwoofers to enhance your system’s low-frequency response. With extensive speaker and bass management options accessible via the on-screen menu, tailoring your sound is effortless.

Pre-Amp Output for Future Expansion
Use the pre-amp mode to link external amplifiers, giving you the option to upgrade power and fidelity while preserving core Marantz sound quality.

Big Theater Sound from Just Two Channels
The STEREO 70s brings AV receiver features—like on-screen setup, 8K HDMI input, ARC, and dual subwoofer output—into a straightforward two-channel system. Perfect for stereo music enthusiasts who want home theater flexibility without the bulk.

Hi-Res Audio Decoding
Designed with high-grade components, this receiver supports digital audio playback up to 192kHz/24-bit and DSD 2.8/5.6MHz. It reveals more nuance, clarity, and immersion compared to compressed formats.

Elegant and Space-Efficient Design
With signature Marantz styling and balanced aesthetics, the STEREO 70s blends timeless design with modern performance. It’s compact enough to fit into tight spaces without sacrificing sound quality.

HEOS® Built-In Multiroom Streaming
Wirelessly enjoy music throughout your entire home with HEOS. Whether you’re syncing the same song across rooms or customizing audio per space, HEOS gives you full streaming flexibility.

Technical Specifications

Amplifier

• Channels: 2

• Power Output (8Ω, 20Hz–20kHz, THD 0.08%, 2ch driven): 75W

• Power Output (6Ω, 1kHz, THD 0.7%, 2ch driven): 100W

• Topology: Class A/B

• Fully Discrete Amplification: Yes

Inputs & Outputs

• HDMI Inputs/Outputs: 6 / 1 (3 HDMI IN support 8K)

• Analog Inputs / Outputs: 3 / 1 (Fixed Level)

• Phono Input (MM): Yes

• Digital Inputs: Optical x1, Coaxial x1

• USB: USB-A Host

• Subwoofer Outputs: 2

• Multichannel Pre-Out: 2.2 channel

• Speaker Terminals: 4 (Supports A/B Switching)

• DAB+/FM Tuner: Included

HDMI & Video

• 8K Input Support: 3 Inputs

• HDMI Upscaling: Up to 8K (from 1080p/4K)

• HDR Support: HDR10+, Dolby Vision, HLG, Dynamic HDR

• Gaming Features: ALLM, VRR, QFT

• ARC (Audio Return Channel): Yes

• HDMI Standby Pass-Through: Yes

• HDCP 2.3: Yes

Audio Technologies

• Hyper Dynamic Amplifier Modules (HDAM): Yes

• Pure Direct Mode: Yes

• Gold-Plated RCA Connectors: Yes

• Compressed Audio Enhancer (MDAX2): Yes

Audio File Support

• Lossy Formats: MP3, WMA, AAC

• Lossless Formats: FLAC 192/24, WAV 192/24, ALAC 192/32

• DSD Playback: DSD 2.8MHz / 5.6MHz

• Gapless Playback: FLAC, ALAC, WAV, DSD

Streaming & Network

• HEOS Built-in: Yes

• AirPlay 2: Supported

• Internet Radio: TuneIn

• Spotify: Spotify Connect

• Additional Streaming Platforms: TIDAL, Amazon Music HD, Deezer, Napster, SoundCloud, iHeart Radio, Mood Mix*

• Roon Tested: Yes

• Bluetooth (with headphone support): Yes

• Wi-Fi / Ethernet: Yes / Yes

Smart Home Integration

• Voice Control: Alexa, Google Assistant, Apple HomePod

• Control App (iOS & Android): Marantz AVR App

• HEOS Link Control: IR / IP

• Multi-Room Zones: 1 (HDMI/Optical/Coax/USB/Analog Sources)

• Zone Output: Pre-Out Only

User Experience

• Front Display: OLED Porthole

• Graphical Setup Assistant: Included

• Languages: English, French, German, Dutch, Spanish, Italian, Polish, Swedish, Russian

• Smart Select Remote Buttons: Yes

• Firmware Updates: Network & USB

• Eco Mode, Sleep Timer, Auto Power-Off: Yes

Power & Dimensions

• Power Consumption: 210W

• Standby Power: 0.2W

• HDMI CEC Standby: 0.5W

• Network Standby: <2.0W

• Dimensions (W x H x D): 442 x 109 x 375 mm

• Weight: 8.4 kg

What’s Included

• Receiver unit, Remote (RC-052SR), Batteries, FM/DAB+ Antenna, Audyssey mic & stand, Cable labels, Quick Start Guide, Detachable antennas, Power cable

Color Options

• Black

• Silver-Gold

EAN/UPC Codes

• Black: 0747192140274 (STEREO70S/N1B)

• Silver-Gold: 0747192140281 (STEREO70S/N1SG)