This speaker has a front accessible +/- 3dB adjustment for fine tuning to the installation environment

It is typically used to directly attach switches/servers in point to point applications

This premium stereo audio cable has an XLR female connection on one end and a Mini-XLR male connection on the other end

Physical Characteristics Color Stainless Steel Material Stainless Steel Cable Length HDMI 6 inches Plate Size Double Gang Connector Plating VGA Nickel Connector Plating HDMI Gold Connector Plating 3

18VA to 20VA Transformer - Class 2 Energy Limiting - 120V Input data This speaker has a frontThis transformer is typically used in AC powered chimes, door bells, security systems, decorative lighting, furnaces, humidifiers, appliances, vending machines, intercom system type applications. It is for indoor use only. Physical Characteristics Color Black Material Plastic Performance Primary (Input) VAC (RMS) 120 Secondary (Output) VAC (RMS) 18 Primary (Output) Current (RMS) 1. 11 Power Rating (VA) 20 Associated Products CA NDB313 W Video Doorbell