BUFEXTechnology partner: V261 Bogen Communications LLC SKU BUFEX-261 The Attenuator can remotely control the volume of a network of speakers.The BUFEX also provides output buffering for up to 150 self-amplified speaker inputs and allows speaker system expansion of existing 100V, 70V, or 25V central amplifier systems.The BUFEX includes a bypass function that can override the volume control knob setting when activated by a contact closure or open collector output. This allows emergency announcements to be heard through all speakers in a system even if the volume control knob setting is set low or off.A PCB-mounted bypass trim control adjusts the volume when in bypass mode with a maximum of 12 dB of attenuation.The BUFEX fits into a single gang electrical box *2-4 Days Lead Time for Stock Items / 14-Day Lead Time for Clocks and Penton* Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Volume control for network of speakersBuffer drives up to 150 speakersBypass feature allows emergency announcements to be heard even if local speaker volume is set low or off600-ohm input impedance10 position settings plus off