ITC Audio T-903B ลำโพงคอลัมน์ Outdoor Column Speaker 3×4″ 20W.
Description The T-903B is a weatherproof outdoor column speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers. The built-in 4”×3 full range speaker drivers are designed of wide frequency response 130-16kHz, the power output at 15w-30w could meet paging and music applications varies from room size and ambient noise surroundings. The aluminum enclosure and steel grille is of white color. It is also designed of weatherproof and heavy damage proof finish. Easy and secure wall mount installation in outdoor area through the supplied pair of metal mounting brackets. It is ideal choice for industrial and commercial applications in the outdoor area of train station, shopping mall, parking area and factory where background music and paging is needed.
Features • Built-in 100v/70v transformer • Weatherproof column type loudspeaker • IP56 waterproof level • 4”×3 full range waterproof loudspeakers • Power output at 15w-30w @100V • Aluminum body for anti-rust • A pair of metal mounting brackets are supplied
Model
T-901B
T-902B
T-903B
T-904B
Power Taps @100V
5W, 10W
10W, 20W
15W, 30W
20W, 40W
Power Taps @70V
2.5W, 5W
7.5W, 15W
Impedance
Black:Com Green:2KΩ White:1KΩ
Black:Com Green:1KΩ White:500Ω
Black:Com Green:660Ω White:330Ω
Black:Com Green:500Ω White:250Ω
SPL(1W/1M)
92dB ±3dB
93dB ±3dB
94dB ±3dB
Max. SPL (Rated W/1M)
102dB ±3dB
106dB ±3dB
109dB±3dB
110dB ±3dB
Frequency Response (-10dB)
130-16KHz
130-18KHz
Finish
Body: Aluminum, White Grille: Aluminum, White Cover: ABS, White
Speaker Driver
4" ×1
4" ×2
4" ×3
4" ×4
IP Rate
IP ×6
Dimensions
155 ×105 ×250mm
155 ×105 ×370mm
155××105 ×490mm
155 ×105 ×610mm
Weight
2Kg
2.3Kg
3.1Kg
4Kg
Mounting
With mounting bracket fixed by screw
