the TOA BS-678B 6W box speaker in Bangladesh. 70V/100V line, 94dB sensitivity for clear PA & background music in offices, schools & retail.
the TOA BS-678B 6W box speaker in Bangladesh. 70V/100V line, 94dB sensitivity for clear PA & background music in offices, schools & retail.

TOA BS-678B Box Speaker Wall Mount 6W

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Key Features & Benefits

✅ 70V/100V Line Operation: Enables easy parallel wiring for large-scale sound systems.
✅ Multi-Tap Selector: Provides flexible power settings (6W, 3W, 1.5W, 0.8W) for precise volume zoning.
✅ High 94 dB Sensitivity: Ensures loud, clear audio with high amplifier efficiency.
✅ Compact & Discreet Design: Off-white finish blends into walls and ceilings.
✅ 6″ Dual-Cone Driver: Delivers balanced sound for clear speech and music.
✅ Durable Construction: Robust cabinet and steel grille for long-lasting performance.

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Description

TOA BS-678B Compact Box Speaker for Commercial Audio

The TOA BS-678B is a compact and efficient 6-watt box speaker designed for commercial and institutional sound systems. Featuring a 6-inch dual-cone driver and built-in multi-tap transformer, it operates seamlessly on both 70V and 100V constant voltage lines, offering flexible installation and zoning options for public address (PA) and background music (BGM) applications. With its high 94 dB sensitivity, it delivers clear, intelligible sound while maximizing amplifier efficiency, making it a cost-effective and reliable choice for a wide range of professional environments.

Technical Specifications

Specification Details
Model BS-678B Box Speaker
System Compatibility 70V & 100V Constant Voltage Lines
Rated Input 6 W (100V line), 3 W (70V line)
Impedance Taps 100V: 1.7kΩ (6W), 3.3kΩ (3W), 6.7kΩ (1.5W), 13kΩ (0.8W)
70V: 1.7kΩ (3W), 3.3kΩ (1.5W), 6.7kΩ (0.8W), 13kΩ (0.4W)
Sensitivity 94 dB (1W, 1m)
Frequency Response 150 Hz – 20 kHz
Driver 16 cm (6″) Double Cone Type
Enclosure Particle Board with Off-White Finish
Grille Steel Plate, Off-White
Dimensions 250 (W) × 190 (H) × 110 (D) mm
Weight 1.7 kg
Mounting Wall or Ceiling

Primary Applications

  • Corporate Offices: For paging and background music in lobbies and hallways.

  • Retail & Supermarkets: For announcements and ambient music.

  • Educational Institutions: For school bells and public address systems.

  • Hotels & Healthcare: For BGM and discreet announcements in common areas.

  • Commercial Buildings: For general PA and emergency evacuation systems.

TOA BS-678B Box Speaker Pricing & Availability in Bangladesh

Price: Contact for Quote (Professional Commercial Speaker)
Availability: In stock at authorized TOA suppliers nationwide.

For Purchase & Inquiry:
Recommended Supplier Contact:
📞 Technical Technology (TOA Supplier): +8801601230340 (Uttara, Dhaka)
📞 TOA Product Line: +8801601230350

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