Specification	Details
Brand	TOA
Model	TS-770
Product Type	Central Unit
Series	TOA TS-770 Series
Power Source	230 V AC, 50/60 Hz
Power Consumption	Max. 60 W
Rated Output	35 V DC, 650 mA × 2
Conference Unit Lines	2 Lines
Connected Conference Units	Max. 70 Units
Units Per Line	Max. 35 Units
Input	MIC: -60 dB, 600 Ω, Balanced, Phone Jack
AUX Input	-20 dB, 10 kΩ, Unbalanced, Phone Jack
Recording Output	-20 dB, 10 kΩ, Unbalanced, Phone Jack
Equalizer Input	-20 dB, 10 kΩ, Pin Jack
Equalizer Output	-20 dB, 10 kΩ, Pin Jack
Priority Control	Priority Speech Chime
Simultaneous Speakers	Selectable 1, 2, 3 or 4
Auto Mic-Off Function	Approx. 40 seconds
Expansion	Multiple TS-770 units can be connected
Operating Temperature	0°C to +40°C
Operating Humidity	90% RH or less, no condensation
Finish	Panel: Aluminum, Hairline, Black
Dimensions	210 × 107.1 × 316 mm (W × H × D)
Weight	Approx. 4 kg
Power Cord	Approx. 2 m
Optional Extension Cords	YR-770-2M, YR-770-10M

The TOA TS-770 Central Unit is the main control unit of the TOA TS-770 Series wired conference system, designed for professional meetings, boardrooms, conference halls, training facilities, government offices, and corporate environments.

The TS-770 controls the connected Chairman and Delegate Units and provides essential audio management for smooth and organized conference operation. It supports up to 70 conference units, with a maximum of 35 units connected to each line, making it suitable for small to large meeting installations.

The central unit provides flexible microphone control, including the ability to set the number of simultaneously active conference units. It also features priority chime control, microphone mixing, external audio input/output connections, recording output, and equalizer connections for integration with additional professional audio equipment.

For larger installations, multiple TS-770 Central Units can be connected to expand the conference system. With flexible system configuration, straightforward operation, and reliable TOA engineering, the TOA TS-770 Central Unit provides a dependable foundation for professional wired conference systems in Bangladesh.