ลำโพงเพดาน OPTIMAL AUDIO UP 4S ขนาด 4 นิ้ว 2 ทาง 15 วัตต์ แบบ 8 โอห์ม หรือ 70/100 โวลต์ ที่ให้การครอบคลุมที่สม่ำเสมอและเสียงที่คมชัด จากแบรนด์ OPTIMAL AUDIO
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 variety of 100 or 70 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 |
| UL94-V0 UL94-5VB | |
| 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) |
