Optimal Audio Up 4S: Two-way passive loudspeaker with 4" coaxial driver for ceiling mounting

The versatile ceiling speaker Up 4S

The Up 4S two-way passive loudspeaker combines elegant design, compact dimensions and outstanding sound performance. Equipped with a 4" coaxial driver, this ceiling speaker is ideal for applications where an unobtrusive installation is required without compromising on sound quality. Thanks to the flexible 8-ohm or 70/100V line operation, the Up 4S offers versatile application possibilities in commercial and private spaces.

Applications of the Up 4S loudspeaker

The Up 4S is perfect for a variety of applications:

• Commercial premises and retail: Discreet and powerful, it provides pleasant background music.
• Offices and conference rooms: Clear and intelligible sound for presentations and meetings.
• Private households: Unobtrusive integration into modern living spaces for music enjoyment.
• Gastronomy and hotels: Uniform sound coverage in restaurants, bars and lobbies.

Its wide conical radiation pattern ensures even sound distribution in any room.

Advantages of the Up 4S ceiling speaker

• Unobtrusive design: The flat profile and optional accessories such as a pendulum mount and a frameless front panel make the speaker virtually invisible.
• Easy installation: Thanks to the integrated mounting material, installation is quick and easy.
• High flexibility: The choice of power taps and the option of 8 ohm or 70/100V line operation allow easy adaptation to different audio requirements.
• Durability: High-quality materials and a robust construction ensure a long service life, even with intensive use.

care and maintenance

The Up 4S requires minimal maintenance. Dust the speaker surface regularly to ensure consistently high sound quality. Should dirt occur, a slightly damp cloth can be used to gently clean the speaker cover.

Technical data

• Type: Two-way passive speaker
• Driver: 4" coaxial driver
• Impedance: 8 ohms, 70/100V line operation
• Performance Taps: Selection available
• Beam angle: Wide conical beam angle
• Material: High-quality, durable components
• Installation accessories: Integrated mounting hardware, optional pendant accessories and frameless front panel
• Color: White
• Dimensions: Compact design with low profile
• Applications: Background music, speech reproduction, sound reinforcement