Optimal Audio Up 4S - 4" Two-Way Ceiling Speaker, 15W,

The Optimal Audio Up 4S is a discreet, two-way passive ceiling speaker designed to deliver consistent coverage and full-frequency sound for a variety of commercial environments. With its compact design and shallow back can, it is ideal for low ceilings while providing high-quality audio for both speech and music reproduction.

Features

• Discreet Design: The low-profile and neutral white finish allow for seamless integration into ceilings with minimal visual impact.
• Wide Coverage: Features a 150° conical dispersion pattern, ensuring even sound distribution across small to medium-sized spaces.
• Versatile Operation: Can be run on 70V, 100V, or low impedance systems with easy tap selection via a rotary switch behind the removable grille.
• High-Quality Drivers: Equipped with a 4" (105mm) low-frequency driver and a 0.7" (20mm) silk dome tweeter for clear and balanced audio.
• Easy Installation: Comes with an integral fixing system for straightforward mounting in ceilings with minimal cavity depth.
• Robust Construction: Built with a zinc-plated steel back can and a perforated steel grille for durability.

Specifications

• Type: Two-way, full range, passive ceiling speaker
• Frequency Response: 110Hz – 18kHz ± 3dB, -10dB @ 85Hz
• Drivers: LF: 4” (105mm) polypropylene injection moulded, HF: 0.7” (20mm) silk dome
• Rated Power: 15W (AES), 30W (Peak)
• Nominal Impedance: 8Ω
• Sensitivity: 86dB (1W/1m)
• Maximum SPL: 98dB (cont), 101dB (peak)
• Crossover: 3.5kHz passive
• Transformer Taps @ 70V: 8, 4, 2, 1, 0.5W
• Transformer Taps @ 100V: 8, 4, 2, 1W
• Dispersion: 150˚ conical
• Dimensions (inc. Grille): Ø 202mm x D 144mm (Ø 7.95" x D 5.67")
• Cut-Out Diameter: 178mm (7.01")
• Weight: 2.2kg (4.9lbs)