SPT-A4 Outdoor Industrial Loudspeaker Station

SPT-A4 loudspeaker station is a new industrial loudspeaker station developed by shollper Technology based on the latest needs of industry users and adapted to the new era of industry engineering standards. The shell is made of high-strength composite material through integrated die-casting, with good structural stability, and adopts unique waterproof and dustproof structural design, with extremely strong resistance to damage. The whole machine meets the national IP67 standard; Clear sound quality, less background noise, and no whistling during amplification; Fanless design, low power consumption, strong anti-interference ability. It can be widely used in various scenarios such as subways, highways, pipe gallery tunnels, petrochemicals, power plants, mines, steel plants, docks, high-speed railways, ships, etc.

Advantages and Characteristics

• The shell of the phone is made of high-strength composite material through integrated die-casting, and the surface is sprayed with imported paint, which is eye-catching in color and durable;

• Sealed structural design, the whole machine meets the IP67 standard in the national standard GB/T 4028-2017, with dustproof, waterproof, anti violent, and anti-corrosion functions; Suitable for various harsh environments;

• The phone has good stability, strong anti-interference ability, and complies with the national standard GB/T 15279-2002;

• L Industrial grade silicone key, wear-resistant, corrosion resistant and anti-aging;

• The ringing signal is prompted by both sound and light, with the front speaker emitting sound to increase the ringing volume;

• Equipped with dual sets of neodymium iron boron strong magnets, the outer cover can be easily attracted;

• The phone is equipped with a built-in power amplifier and supports broadcasting and shouting functions;

• When switching between ringing and amplification, a prompt sound can be set or amplification can be directly performed;

• The ringing signal can work simultaneously with the speaker and external speaker;

• Support AEC echo cancellation algorithm and environmental noise filtering technology;

• L Dial pad backlight design, making it easy to dial even in dark environments;

• Imported waterproof adhesive, high viscosity, resistant to high and low temperatures, high pressure, with a waterproof life of more than 10 years;

• The fork spring switch adopts a contactless structure design to solve the problem of mechanical structure contact aging;

• The phone can operate stably within the temperature range of -30 to+60 ℃;

• Redial function for the last set of phone numbers;

• This machine can be used in conjunction with program-controlled switches or dispatch machines;