TOA BG-220 20W Three-Input Mixer Amplifier
The TOA BG-220 20W Three-Input Mixer Amplifier mixes background music and announcements for commercial audio systems. Designed for bars, retail stores, and banquet rooms, it delivers 20W rated output, supports three inputs, and provides 4 ohm, 25V, and 70V speaker outputs.
This compact TOA mixer amplifier is built for installers who need a 20W commercial amplifier for paging, music, and zone expansion. Its removable terminal blocks speed up installation, while rear DIP switches simplify configuration. Use it to buy a three-input mixer amplifier for background music systems or general announcement applications.
The BG-220 supports 2-channel broadcast capability through its MOH/ZONE 2 output when paired with compatible BA-200 Series booster amplifiers. Recessed bass and treble controls, auto/manual muting, cULus listing, and balanced output connections make it a practical choice for professional fixed-install audio systems.
Key Features
- 20W Rated Output: Delivers dependable power for background music and general announcement systems.
- Three Input Design: Mixes one mic/line selectable input with two line inputs for flexible source control.
- Commercial Speaker Outputs: Supports 4 ohm, 25V, and 70V balanced speaker connections.
- MOH/ZONE 2 Output: Enables music-on-hold or zone 2 operation with assignable input routing.
- Auto and Manual Muting: Allows mic/line announcements to override Line 2 and Line 3 when configured.
- Installer-Friendly Connections: Uses removable terminal blocks for quick, secure system wiring.
- Protected System Settings: Recessed bass and treble controls help prevent accidental changes.
- Zone Expansion Capability: Supports 2-channel broadcast operation with compatible BA-200 Series amplifiers.
Technical Specifications
- Brand: TOA
- Model: BG-220
- Product Type: Mixer Amplifier
- Power Source: 120V AC, 60 Hz
- Rated Output: 20W
- Power Consumption: 60W at rated output; 36W based on cULus standards
- Frequency Response: 50 Hz – 20 kHz
- Total Harmonic Distortion: 0.5% or less at 1 kHz, rated output
- Mic Input: -60 dB, 600 ohms, electronically balanced, removable terminal block
- Line 1 Input: -10 dB, 600 ohms, electronically balanced, removable terminal block
- Mic/Line 1: Selectable
- Line 2 and Line 3 Inputs: -10 dB, 10k ohms, unbalanced, removable terminal block or RCA jack
- Speaker Output: 4 ohms, 25V at 31 ohms, and 70V at 245 ohms, balanced, removable terminal block
- MOH Output: 0 dB, 600 ohms, balanced, removable terminal block
- Line Output: 0 dB, 600 ohms, unbalanced, removable terminal block
- Output Regulation: 2 dB or less, no load to full load at 1 kHz
- Bass Control: ±10 dB at 100 Hz
- Treble Control: ±10 dB at 10 kHz
- Signal-to-Noise Ratio: Mic/Line 1: 60 dB or more; Line 2 and Line 3: 80 dB or more
- Muting: Manual mute and automatic mute
- Controls: Mic/Line 1 gain, Line 2 gain, Line 3 gain, bass, treble, MOH out gain, manual mute, mute sense, auto mute switch, Mic/Line 1 selector, mute receive switch, MOH assign switch, and power switch
- Indicators: Power LED, Signal LED, Peak LED
- Operating Temperature: 32°F to 95°F
- Operating Humidity: 35% to 80% RH, no condensation
- Protection Circuitry: Monitors current level and disables output during excessive operating temperature over 221°F
- Listing: cULus Listed
- Panel Finish: Black ABS resin
- Case Finish: Black painted steel plate
- Dimensions: 8.27″ W x 3.71″ H x 10.43″ D
- Weight: 7.72 lbs
- Optional Rack-Mount Brackets: TOA MB-25B-BK and TOA MB-25B-J
What’s Included
- 3 x YA-920 volume control covers
- 3 x 2-pin removable terminal plugs
- 1 x 3-pin removable terminal plug
- 1 x 4-pin removable terminal plug
- 1 x 5-pin removable terminal plug
