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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

HDMI inputs and ARC make connection to smart TVs, game systems, and streaming devices simple. Setup menu is easy to navigate via on-screen display, Extensive subwoofer management are all more commonly found in multi-channel surround sound receivers. STEREO 70s gives you these features but streamlined in a device supporting 2 loudspeakers rather than more complicated multi-channel receivers.

Specifications

Power Amplifier

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 Amplifier 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 Amplifier 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 No

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

Maximum Dimensions
Antenna, Horizontal: (W × D × H) in 17.4 x 15.2 x 4.3 in.
Antenna, Vertical: (W × D × H) in 17.4 x 15.2 x 7.0 in.
w/o Antenna: (W × D × H) in 17.4 x 14.7 x 4.3 in.
Neto weight: 9kg

Package Contents: Marantz AV Stereo Receiver Stereo 70s, Black, Remote control, batteries, AM/FM antennas, 2 External Detachable Antenna, AC cord, Manual.