Optimus BS-680F offers high-quality sound with its 16 cm double cone speaker unit. Ideal for use in voice alarm systems, it can be mounted on the wall or ceiling, either surface-mounted or flush-mounted. The built-in transformer allows for easy impedance changes by adjusting the tap position, and the push-in type input connector simplifies cable connections.
Optimus BS-680F offers high-quality sound with its 16 cm double cone speaker unit. Ideal for use in voice alarm systems, it can be mounted on the wall or ceiling, either surface-mounted or flush-mounted. The built-in transformer allows for easy impedance changes by adjusting the tap position, and the push-in type input connector simplifies cable connections.
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Optimus BS-680F offers high-quality sound with its 16 cm double cone speaker unit. Ideal for use in voice alarm systems, it can be mounted on the wall or ceiling, either surface-mounted or flush-mounted. The built-in transformer allows for easy impedance changes by adjusting the tap position, and the push-in type input connector simplifies cable connections.
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