Marantz Stereo 70s: a small format and big ambitions with HDMI 2.1


After the Denon DRA-900H, it’s Marantz’s turn to integrate HDMI 2.1 inputs into its hi-fi amplifiers with the new Marantz Stereo 70s. Successor to the popular Marantz NR1200, it adds UHD 8K 60 fps and 4K 120 fps compatibility for optimum support of the latest sources. VRR, ALLM and QFT gaming functions are also introduced, as are HDR10+ and Dolby Vision. The perfect way to centralize all the audio and video sources in your living room!

Marantz Stereo 70s: compact size

The new Marantz Stereo 70s amplifier is an ultra-compact model inspired by the Marantz Cinema 70S AV receiver. Like the latter, it measures just 10cm in height, making it easy to slide into the smallest gap in your living room audio or video cabinet. Its design is inspired by the prestigious Marantz Model 40N and Marantz Model 30 hi-fi models, themselves inspired by the iconic Marantz electronics of the 50s to 70s. Despite its compact size, the Marantz Stereo 70s is capable of delivering 2 x 75W into 8 ohms. HDAM modules operate in class AB, ensuring dynamic, natural sound and a sense of detail.

Thanks to its compact size, the Marantz Stereo 70s hi-fi amplifier with HDMI inputs fits perfectly alongside your TV and other audio and video sources.

Marantz Stereo 70s: HDMI 2.1

With the recent Denon DRA-900H, the Marantz Stereo 70s amp becomes the world’s second UHD 8K-compatible stereo hi-fi amplifier. To achieve this, it adopts six HDMI inputs, three of which are certified HDMI 2.1. They support video streams up to UHD 8K at 60Hz and 4K at 120 fps. It can perform 8K upscaling from 4K or 1080p sources to ensure optimal results. Gamers benefit from VRR, QFT and ALLM technologies for a smooth experience and minimized latency. What’s more, the addition of HDR10+ and Dolby Vision standards optimizes the display of high dynamic range content.

Thanks to its HDMI 2.1 inputs, the Marantz Stereo 70s amplifier supports video streams up to UHD 8K and 4K HDR.

Marantz Stereo 70s: streaming and multi-room

Anchored in the Heos universe, the Marantz Stereo 70s amplifier gives you the freedom to instantly access your favorite tracks via streaming platforms such as Spotify, Deezer, Tidal and Amazon Music. If you prefer radio, countless stations are available via TuneIn or the DAB/DAB+ receiver. Audiophiles haven’t been left out: DLNA support lets you enjoy DSD and Hi-Res tracks at resolutions of up to 24-bit/192kHz. For added versatility, AirPlay 2 and Bluetooth connections enable easy, wireless streaming from your mobile devices or computers. Finally, if you want to listen to music in several rooms in your home, multi-room is possible with other Heos or AirPlay 2 devices.

Thanks to the HEOS system, the Marantz Stereo 70s amplifier can access numerous streaming services, web radios and tracks shared on the local network.

Marantz Stereo 70s: numerous inputs and outputs

Thanks to its comprehensive connectivity including RCA, phono, optical, coaxial and HDMI inputs, the Marantz Stereo 70s hi-fi amplifier integrates effortlessly with all your audio or video sources. Its outputs are just as versatile, offering two pre-amplified RCAs for connection to an external amplifier or to power an additional audio zone. To top it all off, it features a dual subwoofer output.

The Marantz Stereo 70s stereo amplifier boasts a full range of connectors for easy pairing with all your audio and video sources.

What are the differences between the Marantz Stereo 70s and the Denon DRA-900H?

Launched a month apart, the Denon DRA-900H amp is designed for more demanding speakers, with 2 x 100W of power, compared with 2 x 75W for the Marantz Stereo 70s. The latter, however, has the advantage in terms of compactness, with a very slim format and a modern design that makes it easy to install in any hi-fi cabinet or alongside the TV. Apart from these points, the Heos system integration and HDMI 2.1 inputs/outputs ensure identical features.

With its 2 x 100 watts, the Denon DRA-900H amp is slightly more powerful and dynamic to power demanding speakers.

Marantz Stereo 70s: price and availability

The Marantz Stereo 70s is the perfect fusion of the hi-fi and home theater worlds. It’s ideal for modern audiophiles looking to combine music, movies and video games in a single device. This future-proof Marantz amplifier is now available for pre-order on Son-Vidé The first arrivals are scheduled for late September. You can also see the world premiere of the new Marantz Stereo 70s amplifier on October 21 and 22 at the 2023 Paris Audio Video Show.

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