Optimal Audio Up 4O – Full-Range 4” Open-Back Ceiling Speaker for 70/100V Systems

The Up 4O – your perfect full-range ceiling speaker

The Up 4O Full-Range Open-Back Ceiling Speaker combines high-quality audio reproduction with a discreet design, offering an excellent solution for demanding ceiling speaker installations. With its 4” full-range driver and wide conical dispersion pattern, the Up 4O is ideal for applications in offices, retail stores, hospitality venues and public buildings.

Versatility and performance for 70/100V systems

The Up 4O Ceiling Speaker is designed to operate on 70/100V lines and offers a flexible choice of power settings. This feature makes it perfect for a wide variety of rooms and requirements. Whether as part of a background music system or for voice announcements, the Up 4O always delivers clear and consistent audio reproduction.

Unobtrusive design for modern rooms

With its compact size and open back design, the Up 4O blends unobtrusively into any environment. Thanks to the optional, frameless grill accessory, the speaker installation remains discreet and elegant. The minimalist design fits in with modern room concepts and supports a harmonious aesthetic.

Easy installation and flexible customization

The Up 4O Ceiling Speaker comes with integrated mounting accessories that enable quick and safe installation. The ability to choose between different power tap settings allows installers to optimally adapt the speaker to the conditions on site.

target group and areas of application

This speaker is ideal for:

• Retail: Clear sound for a pleasant shopping experience.
• Gastronomy: Discreet sound for restaurants, bars and cafés.
• Office buildings: Even distribution of music or announcements in work areas.
• Public facilities: sound systems in waiting areas or conference rooms.

care and maintenance

The Up 4O is designed to last and requires minimal maintenance. To clean, simply wipe with a dry cloth. The grill accessories can be removed and cleaned separately if necessary.

Technical data:

• Driver: 4” full-range driver
• Design: Open back design
• Power operation: 70/100V line systems
• Performance Taps: Flexible Choices
• Beam pattern: Wide conical cover
• Grill accessories: Bezel-less design (optional)
• Installation accessories: Integrated mounting solution
• Material: High-quality plastic/metal construction
• Size: Compact design for discreet installations
• Color: White (optionally paintable)
• Weight: Lightweight for easy installation
• Usage: Background music, announcements