Marantz Grand Horizon, Midnight Sky, dynamic

Marantz Grand Horizon

Flagship Wireless Speaker Powered by HEOS™

Implementing innovative proprietary amplification and paired with powerful driver technology, Marantz Grand Horizon delivers a superior listening experience via an intuitive user interface.

Marantz Rise™ Amplifier
Marantz Radiance™ 360° Seamless Fabric
Marantz AuraControl™
Marantz Mirage™ DSP
Powered by HEOS™
Elegant, intuitive user interface

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Midnight Sky Moon Ray Marantz Champagne

Midnight Sky

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Marantz Grand Horizon

"The Marantz Grand Horizon takes the concept of a wireless speaker and turns it up to the max, adding in high-quality materials, a bold form factor and a serious amount of power."

– Wallpaper Design Awards

iF DESIGN AWARD 2025

"Marantz Grand Horizon was recognized with the Red Dot Design Award in 2025."

– Red Dot Design Award

Spotify
Dolby Atmos
Powered by HEOS™
Bluetooth
Amazon Music
Deezer
iHeart Radio
Pandora
Sirius XM
Tidal
Class 1 Laser Product
Qobuz

Spotify
Dolby Atmos
Powered by HEOS™
Bluetooth
Amazon Music
Deezer
iHeart Radio
Pandora
Sirius XM
Tidal
Class 1 Laser Product
Qobuz

Marantz Grand Horizon

Details & Specifications

Amplifier

Total Amplifier Power (FTC) 370W (FTC Power Output Rating)
Total Amplifier Power (Peak) 860W (This rating was not tested under the FTC standard)
Total Amplifier Power (Peak, Raw Amplifier Power) 1400 W (This rating was not tested under the FTC standard)
Amplifier Toplogy Marantz Rise GaN FET

Loudspeaker Array

Bass 1×8" Marantz Gravity
Wideband 4×3"
High Frequency 3×1"

Performance

Frequency Response 28Hz to 20kHz (+/-3dB), 18Hz (-10dB)
Maximum SPL 111dB (1M)
Peak SPL 122dB (1M)

Audio Connectivity

Analog 1 pr. RCA L/R
Digital 1 ea. TOSLINK Optical
USB 1 ea. USB-C (Mass Storage)
HDMI 1 ea. eARC / ARC

Audio Format Support

Decoding Dolby Atmos, Dolby TrueHD, DSD Dolby Digital+, Dolby Digital, LPCM
Max PCM Sample Rate / Bit Depth Stereo: 192kHz / 24 bit
Multi-Channel: 192kHz / 24 bit (7.1 Channel)
Max DSD Data Rate 5.6 MHz (DSD ×2)
Stereo File Formats (HEOS network share or USB) WMA: up to and including 192 kbps
AAC & MP3: up to and including 320 kbps
WAV, ALAC, FLAC: up to and including 24-bit/192kHz
DSD: 2.8 MHz, 5.6MHz

Streaming Technologies

Bluetooth BT 5.4
AirPlay AirPlay 2
Spotify Spotify Connect

Music Services and Sources

Music Services Supported (HEOS, subject to change and local availability) Pandora, Spotify, TuneIn, SiriusXM, Amazon Music, TIDAL, iHeartRadio, Deezer, Deezer HiFi, Mood:Mix, Sony Hi-Res, AWA, Play, SoundCloud.
Music stored on mobile device Yes (iOS, Android, or Kindle Fire)
NAS (Network Attached Storage Network share, UPnP
USB Storage Device Playback Yes (FAT32, NTFS formatted drives)

Networking & Control

Wired Connectivity Ethernet
Wireless Connectivity Dual band, 802.11 a/b/g/n/ac/ax
Control System Compatibility via TCP/IP Crestron, Control4, AMX
HEOS App iOS, Android, Kindle Fire

General

Product Color Moon Ray, Midnight Sky, Marantz Champagne
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) Inches 19.41 × 10.04 × 20.83
Dimensions (H × W × D) mm 493 × 255 × 529.2
Weight (lbs) 46.9
Weight (kg) 21.3

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World of Marantz

Born in New York

Surrounded by the music and rythm of the city, Saul Marantz set out to create a music system that met his exacting standards.

Iconic Design

Marantz design is timelessly elegant. Expressing the musical soundscapes which the products create.

The Most Musical Sound

Our expert Sound Masters have perfected the art of precision to create powerful yet refined components.

Marantz Grand Horizon

Experience Marantz in person.

World of Marantz

Born in New York

Iconic Design

The Most Musical Sound

Order Support

Product Support

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