Marantz STEREO 70s AV Receiver
Experience immersive home theater with superior sound and a slim, elegant design.
Overview
The Marantz STEREO 70s is a two-channel, 75-watt per channel AV Receiver that integrates technologies from full-size surround sound home theaters into a compact and elegant form factor. It offers superior sound quality, seamless streaming via HEOS® built-in, and warm, dynamic amplification powered by Marantz HDAM technology.
Key Features:
- Enjoy the power and immersiveness of home theater with only two speakers.
- Designed and engineered holistically to deliver the signature Marantz sound, look, and feel.
- Six HDMI inputs (three supporting 8K) plus one HDMI output with ARC (Audio Return Channel) enhance the sound of all your AV sources.
- With a height of only 4.1 inches, the STEREO 70s is half the height of traditional AV components, fitting easily into various entertainment setups.
- A 75-watt per channel Marantz Class A/B amplifier provides confident, clear, and tonally rich sound for your speakers.
- Access a wide range of streaming services through the built-in HEOS® ecosystem, including support for Spotify Connect, AirPlay 2, Bluetooth, Tidal, TuneIn, and many others.
Technical Specifications
| Specification | Details |
|---|---|
| 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 | |
| HDMI In / Out | 6 / 1 |
| 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 | 4 |
| Number of Speaker Terminals | 2 |
| Speaker A / B | Yes |
| USB Audio | Yes (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 (FLAC, WAV, ALAC, DSD) |
| Gapless Playback | Yes |
| Compressed Audio Enhancer: MDAX2 | Yes |
| Network Audio Sharing | |
| 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 | |
| IR Flasher In | Yes |
| Marantz Remote Bus | Yes |
| DC Trigger Output | No |
| IP Control / Web Control / App Control | Yes |
| 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 x D x H) in | 17.4 x 15.2 x 4.3 in. |
| Antenna, Vertical: (W x D x H) in | 17.4 x 15.2 x 7.0 in. |
| w/o Antenna: (W x D x H) 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 |
Design and specifications are subject to change by Marantz without notice. Visit www.marantz.com for the latest information.
FCC Statement: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
