Marantz Grand Horizon – Luxury Flagship HEOS Wireless Speaker

The Marantz Grand Horizon is the flagship wireless speaker that combines award-winning design with immersive 360° sound. Powered by Marantz Rise™ GaN amplification, wrapped in eco-conscious Radiance™ 360° fabric, and controlled via intuitive AuraControl™ lighting, it offers multi-room streaming, immersive audio, and unmatched elegance.

Key Features

• Powerful GaN amplification: Offers 370 W continuous output with peaks up to 860 W, driving room-filling performance.
• Eight-driver array: Includes an 8″ Gravity subwoofer, four 3″ midrange drivers, and three 1″ silk-dome tweeters—tuned with Mirage™ DSP for expansive, detailed sound.
• HEOS® multi-room streaming: Seamlessly integrate Spotify, AirPlay 2, Bluetooth 5.4, Tidal, Amazon Music, and more across your home.
• High-resolution support: Handles Dolby Atmos, DSD, FLAC, ALAC, and PCM up to 192 kHz/24-bit via RCA, optical, HDMI eARC, and USB-C inputs.
• AuraControl™ touch ring: Touch-sensitive LED ring controls volume and lighting intensity for a user-friendly, elegant interface.
• Luxury-crafted exterior: Wrapped in seamless EcoFiber fabric made from recycled ocean plastics and features a marble base for refined stability.
• Integrator-friendly: Dual Ethernet, control system compatibility, and a striking sculptural form with multiple finish choices.

Customer Benefits

The Grand Horizon blends sculptural elegance with audio precision. Whether it's solo listening, immersive Atmos playback, or filling the home with sound, it offers intuitive control, superb fidelity, and visual sophistication in one statement piece.

Quick Specs

• Amplification: 370 W continuous, 860 W peak
• Driver Configuration: 1 × 8″ woofer, 4 × 3″ midrange, 3 × 1″ tweeters
• Frequency Range: 28 Hz – 20 kHz (±3 dB)
• Max SPL: 111 dB (1 m), 122 dB peak
• Streaming & Connectivity: Wi-Fi (dual-band), Bluetooth 5.4, AirPlay 2, HEOS, Ethernet
• Inputs: RCA stereo, optical, HDMI eARC, USB-C
• Supported Formats: Dolby Atmos, PCM up to 192 kHz/24 bit, DSD 5.6 MHz, etc.
• Dimensions: 49.3 × 25.5 × 52.9 cm
• Weight: 21.3 kg

What’s in the Box

• Marantz Grand Horizon wireless speaker
• Power cable
• HDMI cable
• Certificate of Authenticity and Quick Start Guide

Use Cases / Ideal For

Perfect for discerning listeners, luxury interiors, and content creators—be it for music, films, or artful decor. Its stylish presence enhances lounges, studios, and showrooms while delivering world-class audio.

Compatibility

Plays with HEOS multi-room, Apple AirPlay 2, Bluetooth, and streaming services. Works as TV speaker via eARC. Compatible with control systems like Control4 and Crestron—powered audio and ambiance without compromise.

Pros & Cons

✅ Pros:

• Elegant, award-winning design and premium materials
• Immersive, high-powered 360° sound with Atmos support
• Comprehensive connectivity and streaming flexibility
• Touch-sensitive UI with smart lighting and volume control

⚠️ Cons:

• High-end price reflects its luxury positioning
• Heavy—placement and transport need care
• No built-in battery—mains power required at all times

The Marantz Grand Horizon is more than a speaker—it’s a sophisticated fusion of design and sonic excellence, elevating both the space and the sound.