Description Product Reviews The TOA BG-220 Amplifier provides 20 watts of power to 4 ohm, 25 & 70V speakers in installed sound applications. The amplifier features a line / mic switchable input, and 2 line inputs with individual volume control and recessed treble & bass controls. Amplify background music in restaurants, commercial retail spaces, bars and more. The TOA BG-220 features removable terminal block connectors and is ideal for amplifying audio in a specific zone, or as the main amplifier in any commercial sound / paging audio system. Massive Power supply for high-quality, reliable sound All inputs and outputs on removable Euro-block connections for easier installation 3x Inputs: Mic/Line 1 w/ Balanced phoenix input and Manual Mute Trigger; Line 2 w/ phoenix & RCA summing connector; Line 3 w/ phoenix & RCA summing connector Input 1 selectable between Mic/Line input level MOH/Zone2 balanced line output assignable via rear-panel dip switches. Selects any or all three input channels-no muting. Can be used for Music on Hold or 2nd Zone Mute receive assignable for channels 2 & 3 on rear-panel dip switches. Mute can be activated via “VOX” or “Contact In” signal Mute Sensitivity and MOH/Zone 2 are both level adjustable Power outputs available at 4 Ohm, 25V & 70V for more system flexibility Dedicated Bass & Treble controls (recessed on front panel) allow independent adjustment for main or remote zones Input Signal present, Peak & Power On indicators on front panel Supplied security cap (YA-920 x1) for volume knob to prevent unauthorized adjustment Thermal and overload protection Optional Rack-mount kits for single unit (MB-25B-BK), or dual (MB-25B-J) UL/CUL Approved 0 Reviews Hide Reviews Product Reviews