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Get serious home cinema with only two speakers. All the technology found in full-size surround sound AV receivers in a slimline, stereo receiver. 75-watts-per-channel, with 8K HDMI, subwoofer output, and streaming built-in.
- Slimline Design
- 2.2 Channels
- 75 Watts Per Channel
- Custom HDAM
- 6 HDMI Inputs plus eARC
- HEOS Built-in
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.
For the Soundtrack of Your Life
HEOS® Built-in has a search feature that lets you find and stream from the world’s leading music platforms, including TIDAL, Pandora, and Amazon Music HD.
Key Technologies
- Spotify
- Amazon Alexa
- Apple Airplay
- HEOS Built-In
- Hi-Res Audio
- Roon Tested
- 8K Ultra HD
- Bluetooth
- Amazon Music
- HDMI ARC
- Roku TV Ready
- Siri
- Dolby Audio
- Control 4
- Deezer
- Tidal
- Tune-In
| 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 |
| Amplifier Topology | Class A/B |
| Inputs Outputs | |
| HDMI In / Out | 6 / 1 |
| Analog In / Fixed Level Out | 3 in / out |
| Phono (MM) In | Yes |
| Digital In: Optical / Coaxial | 1 / 1 |
| Multi-Room Out: analog / digital | 1 / 0 |
| Multichannel Preamp Out | 2.2 |
| Subwoofer Out | 2 |
| Number of Speaker Terminals | 4 |
| Speaker A / B | Yes |
| USB Audio | USB A (Host) |
| AM/FM Tuner | Yes |
| Multichannel Surround Technologies | |
| Max Number of Processing (Preamp) Channels | 2,1 |
| HDMI | |
| Total HDMI Inputs / No. Support 8K | 6 / 3 |
| HDCP2.3 support | Yes |
| HDMI Outputs: Main / Zone | 1 / 0 |
| HDMI Upscaling | 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 |
| Performance Technologies | |
| Pure Direct Mode | Yes |
| Gold Plated RCA Terminals | Yes |
| Hyper Dynamic Amplifier Modules (HDAM) | Yes |
| Music File Support | |
| Lossy Formats | MP3 / WMA / AAC |
| Lossless formats | FLAC HD 192/24 / WAV 192/24 / ALAC 192/24 |
| 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 | AirPlay2 |
| Internet Radio | TuneIn |
| Spotify* | Spotify Connect*availability of services might vary per region |
| Other Streaming Services* | Amazon Music HD/Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / Soundcloud / Mood Mix*availability of services might vary per region |
| Roon tested | Yes |
| Pandora | Yes |
| SiriusXM | Yes |
| Network Connectivity | |
| Ethernet Ports | Yes |
| Bluetooth Re-transmit for Bluetooth headphones | Yes (with volume control) |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| 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 / 2Ch / Yes / Yes |
| Zone Audio Output: Speaker / Preout | No/Yes |
| HDMI Diagnostics | Yes |
| Others | |
| 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 |
| Standby Consumption in W | 0.2 |
| CEC Standby Consumption in W | 0.5 |
| Network Standby Consumption in W | Less than 2.0 |
| Maximum Dimensions | w/o Antenna: (W x D x H) in mm 442 x 373 x 109 |
| What's in the box | Main unit, remote control, batteries, AM/FM antennas, wire labels, quick start guide, Audyssey microphone, card board microphone stand, 2 External Detachable Antenna, AC cord |