STEREO 70s

Enter a world of exquisite sound and elevated enjoyment of all your home entertainment sources without overwhelming your décor. STEREO 70s incorporates the technologies found in full-size surround sound home theaters with the simplicity and elegance of a two-channel stereo system.

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

Musical and Cinematic

Enter a new world of high performance, storied heritage, and legendary artisanship.

Slim and Elegant 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.

High Resolution Audio

Carefully engineered with specially chosen components, STEREO 70s unveils the natural immersiveness and power of sound. Crystal clear digital decoding of up to 192 kHz 24-bit audio and DSD opens a new world of high resolution music with depth, breadth, and clarity not available with lossy files.

Sound Master Tuned

The Marantz Sound Master meticulously tuned STEREO 70s for amazing performance with careful parts selection to create the Most Musical Sound in your home.

Home Cinema from Only Two Channels

STEREO 70s merges the flexibility and features found in our CINEMA Series AVRs into a slim and simple 2 channel receiver. 8K HDMI plus ARC facilitates connection of smart TVs, game consoles and streaming systems. On screen display uses your TV screen to assist with setup. Support for up to 2 subwoofers means plenty of deep bass even when using small bookshelf speakers.

STEREO 70s
Power Amplifi er
Number of Powered Channels 2
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
Power Output (6 ohm, 1 kHz, 10% 1ch Drive) 150 W
Discrete Power Amplifi er Yes

Inputs/Outputs
Video HDMI In / Out 6/1
Audio Analog In / Fixed Level Out 3 in / 0 out
Phono (MM) In Yes
Digital In: Optical / Coaxial 1 / 1
Multi-Room Out: Analog / Digital 1 / 0
Multichannel Pre-Amp Out 2.2
Subwoofer Out 2
Other Number of Speaker Terminals 4
Speaker A / B Yes
USB Audio USB A (Host)
AM/FM Tuner Yes

HDMI
Total HDMI Inputs / No. Support 8K 6 / 3
HDCP 2.3 Support Yes
HDMI Outputs: Main / Zone 1 / 0
HDMI Upscaling 1080p/4K to 8K
Max. Resolution / Frame Rate 1080p/4K to 8K
Audio Return Channel ARC
Video Dynamic Range HDR / HLG / Dolby Vision /
HDR10+ / Dynamic HDR
ALLM (Auto Low Latency Mode) Pass-Through for Gaming Yes
Variable Refresh Rate / Quick Frame Transport Yes / Yes
HDMI Pass-Through in Standby Mode Yes
CEC Yes
Auto LipSync Yes

Performance Technologies
Hyper Dynamic Amplifi er Modules (HDAM) Yes
Pure Direct Mode Yes
Gold-Plated RCA Terminals Yes

Music File Support
Lossy Formats MP3 / WMA / AAC
Lossless formats FLAC HD 192/24 / WAV 192/24 /
ALAC 192/31
DSD Audio 2.8 MHz / 5.6MHz
Gapless Playback FLAC, WAV ,ALAC ,DSD
Compressed Audio Enhancer: MDAX2 Yes
Network Audio Sharing Yes

Streaming Services
HEOS® Multi-Room and Streaming Yes
AirPlay Audio Streaming AirPlay 2
Internet Radio TuneIn
Spotify Spotify Connect
Pandora Yes
SiriusXM Yes
Other Streaming Services Amazon Music HD/
Amazon Music / TIDAL / Deezer /
iHeart Radio / Napster /
Soundcloud / Mood Mix
Roon-Tested Yes

Network Connectivity
Ethernet Ports Yes
Wi-Fi Yes
Bluetooth Yes
Bluetooth Re-Transmit for Bluetooth Headphones Yes (with volume control)
Smart Home Integration and Control
Voice Assistant Compatibility Alexa / Google Voice Assistant /
Apple HomePod / JoshAi
App for Smart Phones & Tablets (iOS/Android) Marantz AVR App
HEOS Multi-Room Integrated Yes
HEOS Link Compatibility: IR / IP Yes / Yes
Multi-Room Zones 1
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog 2 Ch / 2 Ch / Yes / Yes
Zone Audio Output: Speaker / Pre-Out No / Yes
Zone HDMI Output from HDMI Source Yes
Control Connectivity IP Control / Web Control / App
Control
IR Flasher In Yes
Marantz Remote Bus Yes
DC Trigger Output 1

Control Connectivity
HDMI Diagnostics Yes

Other
Front Display Port Hole OLED
GUI Languages English, Spanish, French
Setup Assistant Yes
Smart Select on Remote Yes
Firmware Update by Network / USB Yes / Yes
ECO Mode Yes
Auto Power Off Yes
Sleep Timer Yes

General
System Remote Control RC-052SR
Power Consumption in W 210 W
Standby Consumption in W 0.2 W
CEC Standby Consumption in W 0.5 W
Network Standby Consumption in W Less than 2.0
Network Control On Consumption in W
Maximum Dimensions Antenna, Horizontal: (W × D × H) in
Antenna, Vertical: (W × D × H) in
w/o Antenna: (W × D × H) in
17.4 x 15.2 x 4.3 in.
17.4 x 15.2 x 7.0 in.
17.4 x 14.7 x 4.3 in.
What's in the box Main unit, remote control,
batteries, AM/FM antennas,
wire labels, quick start guide, 2
External Detachable Antenna,
AC cord
Weight in lbs. 18.5lbs.
UPC 747192140267