This series of active all-weather sound columns can be connected to various sound source devices, and the background music system function can be achieved by turning on the power; it can connect to ba
This series of active all-weather sound columns can be connected to various sound source devices, and the background music system function can be achieved by turning on the power; it can connect to background music, emergency paging, fire alarm, and other audio systems; The built-in amplifier uses high-quality digital power amplifier module.
FEATRUES:
DC24V power supply; Equipped with volume control knob.
The dust-proof and waterproof level meets the IEC529 IP44 standard.
Built in digital power amplifier with low heat generation, safe and reliable, suitable for long-time working; Easy to connect and convenient to use.
One line unbalanced input (Phoenix terminal mono input)
The speaker unit has a 4-inch woofer and 2-inch tweeter, with clear and pleasant sound quality.
Durable aluminum housing with strong corrosion resistance, capable of withstanding sunlight, rain, wind, sand, snow, and rain; Equipped with mounting brackets.
It is an ideal choice for transportation intersections, villages, parks, factories, buildings, schools, parking lots, docks, and stations.
SPECIFICATIONS:
Model | SK-720-PW | SK-740-PW |
Local audio input | Phoenix terminal interface | Phoenix terminal interface |
Amplifier frequency response (-10dB) | 20Hz～20KHz | 20Hz～20KHz |
THD | ≤0.3% | ≤0.3% |
SNR | ＞90dB | ＞90dB |
Speaker unit | 2x4" woofer+1x2" tweeter | 4x4" woofer+1x2" tweeter |
Rated output | 20W | 40W |
Working temperature | -20℃～+60℃ | -20℃～+60℃ |
Working humidity | 10%～90% | 10%～90% |
Power consumption | ≤30W | ≤50W |
SPL (1W / 1m) | 92dB±3dB | 92dB±3dB |
Speaker frequency response (-10dB) | 150Hz-18kHz | 150Hz-18kHz |
Input power | External power supply DC24V | External power supply DC24V |
Dimensions(WxHxD) | 150(W)×400(H)×95(D)mm | 150(W)×635(H)×95(D)mm |
Color | white | white |
weight | 2.7Kg | 4.2Kg |
