Marantz CINEMA 50 Series 2 – 9.4-Channel 8K AV Receiver with HEOS
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Marantz CINEMA 50 Series 2 – 9.4-Channel 8K AV Receiver with HEOS
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Overview
Bring greater depth and excitement to movies, music, and gaming with the Marantz CINEMA 50 Series 2. Combining immersive surround processing, dedicated multichannel amplification, and upgraded digital-to-analog conversion, this receiver provides a versatile centerpiece for a premium entertainment space.
Its refined black finish and distinctive Marantz design complement a dedicated theater or living room.
Immersive Sound with Room to Grow
Nine built-in amplifier channels support expansive speaker layouts, while 11.4-channel processing allows further expansion with external amplification. Dolby Atmos, DTS:X, Auro-3D, and IMAX Enhanced support bring dimension to compatible soundtracks.
Connected Entertainment
Connect your entertainment sources through six 8K-compatible HDMI inputs. HEOS Built-in makes streaming and compatible multiroom listening convenient, while Audyssey MultEQ XT32 helps tailor playback to your room. Dirac Live is available as an upgrade.
Key Features
- Upgraded 32-bit DAC
- Marantz HDAM-SA2 circuitry
- Four independent subwoofer outputs
- Balanced entertainment options for movies, music, and gaming
- Expandable amplification through preamplifier outputs
Complete Technical Specifications
Amplification and Surround Processing
| Specification | Details |
|---|---|
| Powered Channels | 9 |
| Maximum Processing | 11.4 Channels |
| Rated Output, 8 Ohms | 110W/channel, 20Hz–20kHz, 0.08% THD, 2 channels driven |
| Rated Output, 6 Ohms | 150W/channel, 1kHz, 0.7% THD, 2 channels driven |
| Amplifier Construction | Discrete, current feedback; EI transformer |
| Audio Circuitry | HDAM-SA2 |
| Dolby | Atmos, TrueHD, Surround, Height Virtualization, Atmos Music |
| DTS | DTS-HD, DTS:X, Neural:X, Virtual:X |
| DTS:X Pro | Not supported |
| Other Formats | Auro-3D, IMAX Enhanced, 360 Reality Audio, MPEG-H |
| Listening Features | Pure Direct, multichannel stereo, MDAX2 |
| Room Calibration | Audyssey MultEQ XT32 |
| Audyssey Features | Dynamic EQ, Dynamic Volume, LFC |
| Optional Calibration | Dirac Live upgrade |
| Bass Management | Standard/directional subwoofer modes, variable crossovers, Bass Sync |
HDMI and Video
| Specification | Details |
|---|---|
| HDMI Inputs / Outputs | 6 / 3 |
| Output Arrangement | Two main outputs, one zone output |
| Maximum Pass-Through | 8K/60Hz and 4K/120Hz |
| High-Bandwidth Paths | 6 inputs / 2 outputs, up to 40Gbps |
| HDR | HDR10, HDR10+, Dolby Vision, HLG, Dynamic HDR |
| TV Audio Return | ARC / eARC |
| Gaming | ALLM, VRR, Quick Frame Transport |
| AMD FreeSync | Compatible on HDMI inputs 4–6 |
| Upscaling | HDMI 1080p/4K to 8K |
| Other Features | HDCP 2.3, CEC, Auto Lip Sync, 3D and standby pass-through |
| Quick Media Switching | Not supported |
Power ratings reflect the stated measurement conditions. The technical tables specify three HDMI outputs, despite a conflicting two-output entry in Marantz’s comparison chart.
Audio Connections and Networking
| Specification | Details |
|---|---|
| Analog Inputs | 5 |
| Phono | Moving Magnet |
| Optical / Coaxial Inputs | 2 / 2 |
| Multichannel Pre-Out | 11.4-channel RCA |
| Subwoofer Outputs | 4 independent |
| Analog Zone Output | 1 |
| Speaker Terminal Pairs | 11; nine powered simultaneously |
| Assignable Functions | Bi-amp, Speaker A/B, zone speakers |
| USB | Front audio playback; rear power supply |
| Tuner | AM/FM |
| Connectivity | Wi-Fi, Ethernet, Bluetooth, AirPlay 2 |
| Bluetooth Headphones | Transmission with volume control |
| Streaming Platform | HEOS |
| Connect Services | Spotify, TIDAL, Qobuz |
| Roon | Roon Ready |
| Audio Files | MP3, WMA, AAC, FLAC, WAV, ALAC, DSD |
| High-Resolution Playback | Compatible PCM up to 24-bit/192kHz; DSD 2.8/5.6MHz |
| Gapless | FLAC, WAV, ALAC, DSD |
| Zones | 2, subject to configuration |
| Control | IP, RS-232, web, app, IR, Marantz remote bus |
| Trigger Output | 1 |
| Updates | Network / USB |
Physical and Electrical
| Specification | Details |
|---|---|
| Finish | Black |
| Front Panel / Display | Metal / Porthole OLED |
| Remote | RC054SR |
| Dimensions, Antennas Horizontal (W × H × D) | 17.4 × 6.5 × 15.9 inches |
| Dimensions, Antennas Vertical (W × H × D) | 17.4 × 9.3 × 15.9 inches |
| Dimensions, Without Antennas (W × H × D) | 17.4 × 6.5 × 15.5 inches |
| Weight | 29.8 lbs |
| Power Consumption | 680W |
| No-Sound Consumption, ECO On / Off | 60W / 100W |
| Standby / CEC Standby | 0.2W / 0.5W |
| Network Standby | Less than 2W |
| Convenience | Setup Assistant, Smart Select, ECO mode, auto power-off, sleep timer |
What’s Included
Receiver, remote and batteries, Audyssey microphone and cardboard stand, AM/FM antennas, two detachable wireless antennas, wire labels, AC cord, and Quick Start Guide.
Important Notes
Speakers, powered subwoofers, and connection cables are sold separately. Using all 11 main processing channels requires additional external amplification. Marantz’s detailed specifications identify Dirac Live as an upgrade; confirm licensing before purchase. Streaming subscriptions may be required. Allow cabinet space for ventilation and cables.
Create Your Next Great Listening Experience with The Grid HiFi
Make every movie night worth settling in for. The Grid HiFi can help you select matching speakers, plan your layout, and configure a system tailored to your home.
Contact The Grid HiFi for pricing, availability, and personalized recommendations: (713) 218-8120.
FAQs
Please read our FAQs page to find out more.
Do you price match?
Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.
Do you offer free shipping?
Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.
Where is your showroom?
We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.
Can I buy online without visiting the showroom?
Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.
Do you offer financing?
Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.
Do you install systems as well as sell equipment?
Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.
Do you provide support after installation?
Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.