Optimal Audio Up 4S
Optimal Audio Up 4S Two-way passive, full-range, low profile 4” ceiling speaker
Up 4S is a discreet, two-way, passive 4” speaker delivering consistent coverage and full frequency sound to a wide range of cost conscious, commercial environments from hotels and concourses to retail outlets, bars and restaurants.
Up 4S features a 4” (105mm) low frequency driver paired with a 0.7” (20mm) silk dome tweeter. It is suitable for both high quality speech and music reproduction.
The wide 150° conical coverage of Up 4S makes it particularly suitable for low ceilings and reduces the number of speakers required for even coverage leading to a reduction in installation cost. A shallow steel back can allows installation in ceilings with minimal cavity depth. An integral fixing system is included to achieve a simple and clean installation. Up 4S has a steel back, perforated steel grille and finished in neutral white.
Each Up 4S can be run on a series of 70 or 100 Volt taps or at low impedance. Tap selection is via a rotary switch behind the removable grille.
SmartAmps or Zone will provide optimal performance and loudspeaker protection. When coupled with the Zone series, a ZonePad and the WebApp makes setting up a system and end user control simple and intuitive.
- 4” coaxial driver
- Discreet size with shallow back can
- Unobtrusive design
- 8 ohm or 70/100V line operation
- Range of power taps
- Wide conical coverage pattern
- Integrated mounting hardware
- TYPE : Two-way, full range, passive, ceiling speaker
- FREQUENCY RESPONSE (with preset) : 110Hz – 18kHz ± 3dB -10dB @ 85Hz
- DRIVERS : LF: 4” (105mm), Polypropylene injection moulded
- HF: 1 (25mm) exit/0.7 (20mm) voice coil, Silk Dome
- RATED POWER (AES) : 15W
- NOMINAL IMPEDANCE : 8 Ohms
- SENSITIVITY (1W/1m) : 86dB
- MAXIMUM SPL : 98dB (cont), 101dB (peak)
- CROSSOVER : 3.5kHz passive
- RECOMMENDED HIGH-PASS FILTER : 24dB/octave @ 85Hz
- TRANSFORMER TAPS @ 70V : 8,4,2,1,0.5W
- TRANSFORMER TAPS @ 100V : 8,4,2,1W
- DISPERSION (-6dB) : 150˚ conical
- BACK CAN : Zinc-plated Steel
- BAFFLE : ABS
- PROTECTIVE GRILLE : Perforated steel
- CONNECTORS : Lockable with link through
- FITTINGS : C-ring support backing plate
- DIMENSIONS : (W) 202mm x (H) 128mm x (D) 202mm
(W) 7.95” x (H) 5.04” x (D) 7.95”
- WEIGHT : 2.2kg (4.9lbs)