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Golmar EL540*Sound module with amplifier, for modular outdoor units, digital, 4-wire.Doorphones / Extended moduls / Golmar video modulsEnd user price - Reseller price- Plastic housing for installation in Golmar modular intercoms. - Diaphragm micro speaker, electret microphone. - Electronic ringtone. - Volume control. - For 4-wire digital Golmar audio intercoms. - 12VDC magnetic lock control output. - ISO 9001:2000 certification. |