Marantz STEREO 70s 75-watts-per-channel stereo audio and video receiver with 8K HDMI, subwoofer output
and streaming built-in

Step into a world of incredible audio with the Marantz STEREO 70s, a two-channel audio and video receiver that redefines your home entertainment experience. This exceptional device seamlessly blends the cutting-edge technologies of full-size surround sound home theaters with the simplicity and elegance of a two-channel stereo system, embodying the warmth, spaciousness, and detail that define Marantz.

Immersive Sound Experience:

With 75 Watts Per Channel, the fully discrete stereo amplifier delivers clear, detailed, warm, spacious, and dynamic sound from any source. Whether you're listening to music, watching movies, or gaming, the STEREO 70s ensures an exquisite auditory experience that captivates your senses.

Versatile Connectivity:

The STEREO 70s boasts six HDMI inputs, three of which support 8K resolution. This compatibility allows you to seamlessly connect a variety of devices, including streamers, game systems, and 8K TVs. It's a hub for all your entertainment sources, ensuring flexibility and convenience.

Deep Bass Impact:

Enhance your audio with dual subwoofer outputs. The STEREO 70s lets you add deep and impactful bass to your setup. Take control of crossover characteristics through the setup menu, customizing the audio to suit your preferences.

Upgradeability and Flexibility:

Leverage the pre-amp output to connect to an external amp for even higher sound quality and more power. This feature ensures that you can easily upgrade your system in the future, adapting to your evolving preferences.

Intuitive Control:

The backlit remote control adds a touch of convenience to your user experience. A button on the side of the remote is easy to feel in the dark. With one click, the buttons light up, allowing for intuitive use even in dimly lit rooms.

Vinyl Enthusiast Friendly:

Express your musical taste by connecting a turntable directly to the STEREO 70s – no external equipment needed. The built-in phono input caters to vinyl enthusiasts, providing a seamless connection for an authentic and nostalgic listening experience.

Quality Assurance:

Invest in The Most Musical Sound with confidence. Marantz is built with care and backed by a five-year parts and labor warranty. This warranty protects your investment, ensuring that you enjoy the superior audio quality of the STEREO 70s for years to come.

Elevate your audio experience with Marantz STEREO 70s – where cutting-edge technology meets timeless sound quality.

Marantz Stereo 70s Specifications

Powerful Amplification:

• Number of Powered Channels: 2
• Power Output:
  • 75W (8 ohms, 20 Hz - 20 kHz, 0.08% 2ch Drive)
  • 100W (6 ohms, 1 kHz, 0.7% 2ch Drive)
  • 150W (6 ohms, 1 kHz, 10% 1ch Drive)
• Discrete Power Amplifier: Yes
• Amplifier Topology: Class A/B

Versatile Inputs and 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

Advanced Surround Technologies:

• Max Processing (Preamp) Channels: 2.1
• HDMI Features:
  • Total HDMI Inputs / 8K Support: 6 / 3
  • HDCP2.3 Support: Yes
  • HDMI Outputs: Main / Zone: 1 / 0
  • HDMI Upscaling: 1080P/4K to 8K
  • Audio Return Channel (ARC): Yes
  • Video Dynamic Range: HDR / HLG / Dolby Vision / HDR10+ / Dynamic HDR
  • ALLM (Auto Low Latency Mode): Yes
  • Variable Refresh Rate / Quick Frame Transport: Yes / Yes
  • HDMI Pass-Through in Standby Mode: Yes

Enhanced Performance Technologies:

• Pure Direct Mode: Yes
• Gold Plated RCA Terminals: Yes
• Hyper Dynamic Amplifier Modules (HDAM): Yes

Wide 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

Seamless Streaming:

• HEOS Multi-room and Streaming: Yes
• AirPlay Audio Streaming: AirPlay2
• Internet Radio: TuneIn
• Spotify: Spotify Connect (availability may vary per region)
• Other Streaming Services: Amazon Music HD/Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / Soundcloud / Mood Mix (availability may vary per region)
• Roon Tested: Yes
• Pandora: Yes
• SiriusXM: Yes

Connectivity Options:

• 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: 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

User-Friendly Features:

• 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 Information:

• System Remote Control: RC-052SR
• Power Consumption (W): 210
• Standby Consumption (W): 0.2
• CEC Standby Consumption (W): 0.5
• Network Standby Consumption (W): Less than 2.0
• Maximum Dimensions (W x D x H) in inches: 17.4 x 14.7 x 4.3

What's in the Box: Main unit, remote control, batteries, AM/FM antennas, wire labels, quick start guide, Audyssey microphone, cardboard microphone stand, 2 External Detachable Antennas, AC cord

UPC Code: 747192140267

Marantz Stereo 70s Info Sheet

Marantz Stereo 70s Owner's Manual