Marantz Grand Horizon is a flagship luxury wireless speaker designed for room-filling sound, high output, and refined style. Its Marantz Rise™ GaN FET amplification, Marantz Gravity™ drivers, and Marantz Mirage™ DSP combine for powerful, low-distortion performance with a wide, immersive soundstage. Stream effortlessly with HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect, or connect your TV via HDMI eARC/ARC with Dolby Atmos support. With high-resolution playback up to 192 kHz/24-bit and premium finishes, it’s built for listeners who want uncompromising wireless audio.
Get the Details
Features & Specs
High-power Marantz Rise™ GaN FET amplification
Built to stay clean and controlled at high volumes, delivering fast, accurate signal amplification for effortless dynamics and impact—ideal for larger living spaces.
Purpose-built multi-driver speaker architecture
A dedicated 8" bass driver is paired with multiple wideband drivers and tweeters to create full-range balance, punchy low end, and clarity across vocals and instrumentation.
Dolby Atmos + HDMI eARC/ARC integration
Connect directly to a TV for a simplified, premium sound setup, with broad format support including Dolby Atmos, Dolby TrueHD, Dolby Digital+, and LPCM
Complete modern streaming ecosystem
HEOS enables multiroom playback and service aggregation, while AirPlay 2, Bluetooth 5.4, and Spotify Connect make it easy to play from virtually any device or app.
Hi-res audio and broad codec/file compatibility
Enjoy detailed playback from high-resolution libraries with support for 24-bit/192 kHz PCM and DSD up to 5.6 MHz, plus popular compressed formats for everyday streaming convenience.
Luxury design and intuitive control
The Marantz Radiance™ 360° Seamless Fabric wrap elevates the look and feel, while AuraControl™ and the onboard interface keep daily control fast, elegant, and simple.
High-power Marantz Rise™ GaN FET amplification
Built to stay clean and controlled at high volumes, delivering fast, accurate signal amplification for effortless dynamics and impact—ideal for larger living spaces.
Purpose-built multi-driver speaker architecture
A dedicated 8" bass driver is paired with multiple wideband drivers and tweeters to create full-range balance, punchy low end, and clarity across vocals and instrumentation.
Dolby Atmos + HDMI eARC/ARC integration
Connect directly to a TV for a simplified, premium sound setup, with broad format support including Dolby Atmos, Dolby TrueHD, Dolby Digital+, and LPCM
Complete modern streaming ecosystem
HEOS enables multiroom playback and service aggregation, while AirPlay 2, Bluetooth 5.4, and Spotify Connect make it easy to play from virtually any device or app.
Hi-res audio and broad codec/file compatibility
Enjoy detailed playback from high-resolution libraries with support for 24-bit/192 kHz PCM and DSD up to 5.6 MHz, plus popular compressed formats for everyday streaming convenience.
Luxury design and intuitive control
The Marantz Radiance™ 360° Seamless Fabric wrap elevates the look and feel, while AuraControl™ and the onboard interface keep daily control fast, elegant, and simple.
Expert Insight
Marantz Grand Horizon delivers exceptionally powerful, refined sound that stays composed even at high volume, making it ideal for large rooms. Streaming is seamless thanks to HEOS, AirPlay 2, and Bluetooth, and HDMI eARC/ARC with Dolby Atmos support makes TV integration surprisingly straightforward. The build quality and materials feel truly premium, matching the performance with a design that stands out without feeling flashy.
Dylan Crane
Brand Manager
Details
Marantz Grand Horizon Luxury Wireless Speaker
Marantz Grand Horizon is a flagship luxury wireless speaker built to deliver true room-filling, high-impact sound while looking like a statement piece in any space. At its core is the Marantz Rise™ GaN FET amplifier platform, engineered for fast, accurate signal amplification and effortless control at high output levels. A purpose-built multi-driver array—anchored by an 8" Marantz Gravity™ bass driver with neodymium magnets—pairs with Marantz Mirage™ DSP to project a wide, immersive soundstage that feels larger than the speaker itself.
For modern listening, Grand Horizon is powered by HEOS® multiroom streaming, making it easy to pull music from major services, local libraries, or a USB drive, and control everything from the HEOS app. It also integrates cleanly into TV setups via HDMI eARC/ARC and supports cinematic formats including Dolby Atmos and Dolby TrueHD. Wrapped in Marantz Radiance™ 360° Seamless Fabric (EcoFiber) and offered in three premium finishes, it’s designed for listeners who want audiophile-grade performance without sacrificing elegance or simplicity.
What It's Good At:
Big, effortless sound in large rooms with high output capability (up to 122 dB peak SPL at 1 m)
Immersive TV and movie audio via HDMI eARC/ARC with support for Dolby Atmos formats
High-resolution playback up to 192 kHz / 24-bit PCM and DSD up to 5.6 MHz
Premium wireless streaming with HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect
Elegant, intuitive control with AuraControl™ and an onboard interface for quick playback/volume changes
Design-forward luxury materials with a seamless 360° fabric wrap and a choice of refined finishes
Marantz Grand Horizon Full Specifications:
Product Name: Marantz Grand Horizon
Type: Flagship wireless speaker powered by HEOS™
Amplifier:
Total Amplifier Power (FTC): 370 W (FTC Power Output Rating)
Total Amplifier Power (Peak): 860 W (not tested under FTC standard)
Total Amplifier Power (Peak, Raw Amplifier Power): 1400 W (not tested under FTC standard)
Amplifier Topology: Marantz Rise™ GaN FET
Loudspeaker Array:
Bass: 1 × 8" Marantz Gravity™
Wideband: 4 × 3"
High Frequency: 3 × 1"
Performance:
Frequency Response: 28 Hz to 20 kHz (+/-3 dB), 18 Hz (-10 dB)
Included: Certificate of Authenticity, QSG, Power Cable, HDMI Cable
User Interface: Volume up/down, Play/Pause, multi-colored LED status indicator, Connect button (rear), Bluetooth button (rear)
Dimensions (H × W × D): 19.41 × 10.04 × 20.83 in
Dimensions (H × W × D): 493 × 255 × 529.2 mm
Weight: 46.9 lb
Weight: 21.3 kg
Marantz Grand Horizon Q&A:
What makes the Marantz Grand Horizon different from typical wireless speakers?
Grand Horizon is built around a high-power Marantz Rise™ GaN FET amplifier platform, a multi-driver array, and Marantz Mirage™ DSP to produce large-scale, low-distortion sound with premium streaming and TV connectivity.
Can I connect the Marantz Grand Horizon to my TV?
Yes. It includes HDMI eARC/ARC and supports formats like Dolby Atmos and Dolby Digital, making it a strong single-speaker solution for elevated TV and movie audio.
Does it support Dolby Atmos?
Yes. It supports Dolby Atmos decoding along with Dolby TrueHD, Dolby Digital+, and other common formats.
What streaming options are built in?
You can stream using HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect, plus play from supported services and local libraries.
What music services work with HEOS on this speaker?
Supported services (availability can vary) include Spotify, TIDAL, Pandora, SiriusXM, Amazon Music, TuneIn, Deezer/Deezer HiFi, iHeartRadio, SoundCloud, and more.
Can I play high-resolution audio files?
Yes. It supports up to 192 kHz/24-bit PCM and DSD up to 5.6 MHz, including FLAC, ALAC, WAV, and DSD files via HEOS network share or USB.
What physical inputs does it have for wired sources?
Inputs include RCA analog (L/R), TOSLINK optical, USB-C (mass storage), and HDMI eARC/ARC.
What will the input delay be for the Marantz Grand Horizon?
Marantz doesn’t publish a single fixed input-latency value for every setup; for scenario-specific latency expectations (TV, console, external input type), Marantz support can provide the most accurate guidance.
Marantz Grand Horizon is a flagship luxury wireless speaker designed for room-filling sound, high output, and refined style. Its Marantz Rise™ GaN FET amplification, Marantz Gravity™ drivers, and Marantz Mirage™ DSP combine for powerful, low-distortion performance with a wide, immersive soundstage. Stream effortlessly with HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect, or connect your TV via HDMI eARC/ARC with Dolby Atmos support. With high-resolution playback up to 192 kHz/24-bit and premium finishes, it’s built for listeners who want uncompromising wireless audio.
Get the Details
Features & Specs
Features & Specs
High-power Marantz Rise™ GaN FET amplification
Built to stay clean and controlled at high volumes, delivering fast, accurate signal amplification for effortless dynamics and impact—ideal for larger living spaces.
Purpose-built multi-driver speaker architecture
A dedicated 8" bass driver is paired with multiple wideband drivers and tweeters to create full-range balance, punchy low end, and clarity across vocals and instrumentation.
Dolby Atmos + HDMI eARC/ARC integration
Connect directly to a TV for a simplified, premium sound setup, with broad format support including Dolby Atmos, Dolby TrueHD, Dolby Digital+, and LPCM
Complete modern streaming ecosystem
HEOS enables multiroom playback and service aggregation, while AirPlay 2, Bluetooth 5.4, and Spotify Connect make it easy to play from virtually any device or app.
Hi-res audio and broad codec/file compatibility
Enjoy detailed playback from high-resolution libraries with support for 24-bit/192 kHz PCM and DSD up to 5.6 MHz, plus popular compressed formats for everyday streaming convenience.
Luxury design and intuitive control
The Marantz Radiance™ 360° Seamless Fabric wrap elevates the look and feel, while AuraControl™ and the onboard interface keep daily control fast, elegant, and simple.
High-power Marantz Rise™ GaN FET amplification
Built to stay clean and controlled at high volumes, delivering fast, accurate signal amplification for effortless dynamics and impact—ideal for larger living spaces.
Purpose-built multi-driver speaker architecture
A dedicated 8" bass driver is paired with multiple wideband drivers and tweeters to create full-range balance, punchy low end, and clarity across vocals and instrumentation.
Dolby Atmos + HDMI eARC/ARC integration
Connect directly to a TV for a simplified, premium sound setup, with broad format support including Dolby Atmos, Dolby TrueHD, Dolby Digital+, and LPCM
Complete modern streaming ecosystem
HEOS enables multiroom playback and service aggregation, while AirPlay 2, Bluetooth 5.4, and Spotify Connect make it easy to play from virtually any device or app.
Hi-res audio and broad codec/file compatibility
Enjoy detailed playback from high-resolution libraries with support for 24-bit/192 kHz PCM and DSD up to 5.6 MHz, plus popular compressed formats for everyday streaming convenience.
Luxury design and intuitive control
The Marantz Radiance™ 360° Seamless Fabric wrap elevates the look and feel, while AuraControl™ and the onboard interface keep daily control fast, elegant, and simple.
Expert Insight
Expert Insight
Marantz Grand Horizon delivers exceptionally powerful, refined sound that stays composed even at high volume, making it ideal for large rooms. Streaming is seamless thanks to HEOS, AirPlay 2, and Bluetooth, and HDMI eARC/ARC with Dolby Atmos support makes TV integration surprisingly straightforward. The build quality and materials feel truly premium, matching the performance with a design that stands out without feeling flashy.
Dylan Crane
Brand Manager
Details
Details
Marantz Grand Horizon Luxury Wireless Speaker
Marantz Grand Horizon is a flagship luxury wireless speaker built to deliver true room-filling, high-impact sound while looking like a statement piece in any space. At its core is the Marantz Rise™ GaN FET amplifier platform, engineered for fast, accurate signal amplification and effortless control at high output levels. A purpose-built multi-driver array—anchored by an 8" Marantz Gravity™ bass driver with neodymium magnets—pairs with Marantz Mirage™ DSP to project a wide, immersive soundstage that feels larger than the speaker itself.
For modern listening, Grand Horizon is powered by HEOS® multiroom streaming, making it easy to pull music from major services, local libraries, or a USB drive, and control everything from the HEOS app. It also integrates cleanly into TV setups via HDMI eARC/ARC and supports cinematic formats including Dolby Atmos and Dolby TrueHD. Wrapped in Marantz Radiance™ 360° Seamless Fabric (EcoFiber) and offered in three premium finishes, it’s designed for listeners who want audiophile-grade performance without sacrificing elegance or simplicity.
What It's Good At:
Big, effortless sound in large rooms with high output capability (up to 122 dB peak SPL at 1 m)
Immersive TV and movie audio via HDMI eARC/ARC with support for Dolby Atmos formats
High-resolution playback up to 192 kHz / 24-bit PCM and DSD up to 5.6 MHz
Premium wireless streaming with HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect
Elegant, intuitive control with AuraControl™ and an onboard interface for quick playback/volume changes
Design-forward luxury materials with a seamless 360° fabric wrap and a choice of refined finishes
Marantz Grand Horizon Full Specifications:
Product Name: Marantz Grand Horizon
Type: Flagship wireless speaker powered by HEOS™
Amplifier:
Total Amplifier Power (FTC): 370 W (FTC Power Output Rating)
Total Amplifier Power (Peak): 860 W (not tested under FTC standard)
Total Amplifier Power (Peak, Raw Amplifier Power): 1400 W (not tested under FTC standard)
Amplifier Topology: Marantz Rise™ GaN FET
Loudspeaker Array:
Bass: 1 × 8" Marantz Gravity™
Wideband: 4 × 3"
High Frequency: 3 × 1"
Performance:
Frequency Response: 28 Hz to 20 kHz (+/-3 dB), 18 Hz (-10 dB)
Included: Certificate of Authenticity, QSG, Power Cable, HDMI Cable
User Interface: Volume up/down, Play/Pause, multi-colored LED status indicator, Connect button (rear), Bluetooth button (rear)
Dimensions (H × W × D): 19.41 × 10.04 × 20.83 in
Dimensions (H × W × D): 493 × 255 × 529.2 mm
Weight: 46.9 lb
Weight: 21.3 kg
Marantz Grand Horizon Q&A:
What makes the Marantz Grand Horizon different from typical wireless speakers?
Grand Horizon is built around a high-power Marantz Rise™ GaN FET amplifier platform, a multi-driver array, and Marantz Mirage™ DSP to produce large-scale, low-distortion sound with premium streaming and TV connectivity.
Can I connect the Marantz Grand Horizon to my TV?
Yes. It includes HDMI eARC/ARC and supports formats like Dolby Atmos and Dolby Digital, making it a strong single-speaker solution for elevated TV and movie audio.
Does it support Dolby Atmos?
Yes. It supports Dolby Atmos decoding along with Dolby TrueHD, Dolby Digital+, and other common formats.
What streaming options are built in?
You can stream using HEOS multiroom, AirPlay 2, Bluetooth 5.4, and Spotify Connect, plus play from supported services and local libraries.
What music services work with HEOS on this speaker?
Supported services (availability can vary) include Spotify, TIDAL, Pandora, SiriusXM, Amazon Music, TuneIn, Deezer/Deezer HiFi, iHeartRadio, SoundCloud, and more.
Can I play high-resolution audio files?
Yes. It supports up to 192 kHz/24-bit PCM and DSD up to 5.6 MHz, including FLAC, ALAC, WAV, and DSD files via HEOS network share or USB.
What physical inputs does it have for wired sources?
Inputs include RCA analog (L/R), TOSLINK optical, USB-C (mass storage), and HDMI eARC/ARC.
What will the input delay be for the Marantz Grand Horizon?
Marantz doesn’t publish a single fixed input-latency value for every setup; for scenario-specific latency expectations (TV, console, external input type), Marantz support can provide the most accurate guidance.
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