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Analog voice loud-speaking telephone is designed for use by the railways, power stations, the armed services and heavy industry which require very reliable telephony under adverse conditions.

The DSP505 is a ceiling speaker with fire dome and a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.

The DSP5311 is a surface mount ceiling speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.

DSP6606R is a multimedia wall mount speaker especially designed for teaching, including an active loudspeaker and a passive one. It adopts anti-oxidation pure aluminum panel ,

Features ● 6.5 inch Frameless ● Aluminum Grille ● 8 ohms, Rated Power:6W ● Max. SPL:98±2dB ● Freq. Resp.:140Hz - 18kHz ● Sensitivity 93±2dB ● Cutout size:Ø165-170mm ● In-ceiling quick installation by spring clip Introduction DSP5011L New frameless ceiling speakers adopts the fashionable thin-edge plane big cylinder and the carbon alloy aluminum mesh design with the RAL white coating so as to integrate with any indoor place perfectly. Equipped with a 6.5" full-range designed loudspeaker with magnetic circuit encapsulated with special engineering plastic process, and the drum paper formed with tripping and hot pressing of algae salved organisms, for the purpose of super-strong reproduction of voice and music. It is able to bear the double rated powers within a short period, so as to ensure the high reliability of the loudspeaker under extreme conditions, prolong the service life, and reduce the possibility of occurrence of fault or degradation of performance to a great extent.

Features ● Built-in 100v/70v transformer ● In-ceiling type loudspeaker ● 6.5" paper cone driver unit ● Rated power output at 6W-10W ● High sensitivity(92±2dB) ● Made of high-class steel ● Leaded wire case for fireproofing ● Fast installation by spring clip

DSPPA's directional speaker audio travels in a focused direction along a narrow beam, unlike typical point source loudspeakers that emit sound waves in all direction. For more information about pa system in chinese, please feel free to contact us!