Emergency Announcement Controller TB-212

Highlight Features

TB-212 – Professional Audio Signal Distribution Unit

The TB-212 is a professional audio signal distribution unit engineered for large-scale sound reinforcement and installed A/V systems. Designed to deliver clean, stable signal splitting, TB-212 supports both mono and stereo distribution modes, enabling flexible routing to multiple power amplifiers. It is an ideal solution for conference centers, broadcasting systems, performance venues, and complex PA installations requiring reliable multi-output signal management.

Key Features:

• Professional audio signal splitter for multi-amplifier and multi-zone audio systems.

• Flexible mono / stereo operation adapts to different system architectures.

• Mono mode distribution supports 1 input to 12 outputs for large-scale deployments.

• Stereo mode distribution supports 2 inputs to 6 outputs per channel.

• Low distortion & high S/N ratio ensures clean signal transmission and audio integrity.

• Wide frequency response suitable for both speech and music applications.

• Low power consumption optimized for continuous 24/7 operation.

• 1U rack-mount design fits standard 19-inch equipment racks.

Technical Specifications:

• Model: TB-212

• Product Type: Audio Signal Distribution Unit

• Output Level: 0 dBm (775 mV)

• Total Harmonic Distortion (THD): 0.08%

• Frequency Response: 18 Hz – 22 kHz @ –1 dB

• Signal-to-Noise Ratio (S/N): > 105 dB

• Input Impedance: 15 kΩ

• Output Impedance: 1.775 V / 600 Ω

• Mono Mode: 1 signal input → 12 signal outputs

• Stereo Mode: 2 signal inputs → 6 outputs per input channel

• Power Consumption: < 12 W

• Power Supply: ~110V–230V, 50 / 60 Hz & DC 24V

• Dimensions: 484 × 209 × 44 mm (19-inch rack mount, 1U)

• Weight: 2.5 kg