The TOA BS-678 is a high-quality, compact 6" wall-mount speaker designed for background music (BGM) and paging applications in commercial settings, including offices, restaurants, schools, and retail stores. Its stylish wooden cabinet blends seamlessly with interior décor while delivering clear, rich audio at an affordable price.
Equipped with a push-in type connector for fast wiring and a tap-selectable 70V/100V transformer, the BS-678 offers flexible installation and impedance adjustment. Its double-cone speaker unit ensures wide frequency response and excellent sound reproduction, making it perfect for delivering announcements or ambient music.
The speaker can be mounted horizontally or vertically, includes tapping screws for direct stud mounting, and ships in pairs. TOA backs the BS-678 with a 5-year warranty, ensuring long-term reliability.
TOA BS-678 Key Features
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Compact & stylish design: Wooden cabinet blends with commercial interiors
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High-quality audio: Double-cone speaker for clear sound and wide frequency response
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Flexible installation: Tap-selectable 70V/100V transformer and push-in connectors
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Multiple mounting options: Horizontal or vertical wall mount
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Durable & reliable: Ships in pairs with TOA’s 5-year warranty
TOA BS-678 Specification
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Feature
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Specification
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Speaker Type
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Wall-Mount, 6" Double-Cone Speaker
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Frequency Response
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90 Hz – 20 kHz
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Rated Input
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6 W / 3 W / 1.5 W (selectable via tap)
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Power Taps
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6 W, 3 W, 1.5 W
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Nominal Impedance
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8 Ω
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Sensitivity (1 W, 1 m)
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88 dB
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Maximum SPL
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97 dB
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Transformer
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Built-in 70V/100V, tap-selectable
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Connector Type
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Push-in type terminal
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Mounting Options
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Horizontal or vertical wall mount
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Cabinet Material
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Wood
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Dimensions (W × H × D)
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190 × 300 × 150 mm (example – check actual specs)
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Weight
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3.5 kg per unit (example – check actual specs)
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Included Accessories
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Mounting screws, wall anchors (for plasterboard)
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Warranty
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5 Years
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Applications & Use Cases
The TOA BS-678 is ideal for a wide range of commercial environments:
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Offices and conference rooms for announcements and BGM
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Restaurants and cafes for background music
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Schools and universities for paging and classroom audio
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Retail stores for music and promotional announcements
Its compact design and stylish wooden cabinet make it easy to integrate into any interior décor.
Installation & Setup Tips
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Can be mounted horizontally or vertically
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Use provided tapping screws for direct stud mounting
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For plasterboard walls, use appropriate wall anchors
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Quick-connect push-in terminal simplifies wiring
Frequently Asked Questions (FAQ)
Q: Can these speakers be used outdoors?
A: The TOA BS-678 is designed for indoor commercial use. Outdoor use is not recommended unless protected from the elements.
Q: Can multiple speakers be connected together?
A: Yes, using the 70V/100V transformer taps, multiple speakers can be daisy-chained for larger areas.
Q: Do they come with a warranty?
A: Yes, TOA provides a 5-year warranty for the BS-678.
