Marantz Grand Horizon – Flagship Wireless Speaker with HEOS™

Product Description

The Marantz Grand Horizon represents the pinnacle of wireless audio innovation. Equipped with Marantz’s proprietary Rise™ amplifier, custom Mirage™ DSP and high-performance Gravity™ drivers, it delivers an unprecedented listening experience. The elegant Radiance™ 360° seamless fabric enhances both acoustic transparency and visual sophistication, while HEOS™ multiroom streaming ensures complete flexibility. A true masterpiece, honored with the Red Dot Design Award and the iF DESIGN AWARD 2025.

Key Features

• Marantz Rise™ GaN-FET amplifier with 370W RMS and up to 1400W peak power
• Marantz Gravity™ drivers: 1× 8" woofer, 4× 3" midrange, 3× 1" tweeters
• Radiance™ 360° seamless fabric: luxurious, durable, and acoustically transparent
• Mirage™ DSP for advanced audio processing and expansive soundstage
• HEOS® Built-in: multiroom streaming with TIDAL, Spotify, Amazon Music HD, and more
• Supports Dolby Atmos, AirPlay 2, Bluetooth 5.4
• Iconic design available in Midnight Sky, Moon Ray, Marantz Champagne

Audio Performance

Connectivity & Format Support

• Inputs: RCA stereo, TOSLINK optical, HDMI eARC/ARC, USB-C
• Streaming: HEOS®, AirPlay 2, Spotify Connect, Bluetooth 5.4
• Hi-Res Audio Support: WAV, FLAC, ALAC up to 24-bit/192kHz, DSD up to 5.6 MHz
• Audio Decoding: Dolby Atmos, TrueHD, Digital+, LPCM, DSD
• Supported Services: Spotify, TIDAL, Amazon Music, Deezer, Pandora, SiriusXM, SoundCloud, and more

Control & Integration

• Touch controls: volume, play/pause, multicolor LED status indicator
• Control system compatibility: Crestron, AMX, Control4
• Connectivity: Ethernet, dual-band Wi-Fi (Wi-Fi 6), Bluetooth
• HEOS app for iOS, Android, Kindle Fire

Design & Materials

Grand Horizon blends sculptural design with premium materials to create a modern audio icon. The Radiance™ 360° fabric wraps the chassis in a seamless, elegant form that’s both beautiful and acoustically transparent. Available finishes harmonize with both contemporary and classic interiors.

General Specifications

Awards & Recognition

• Red Dot Design Award 2025 winner
• iF DESIGN AWARD 2025 winner
• Wallpaper* Design Awards: “A wireless speaker taken to the max”