TOA TS691L Chairman Unit with Long Microphone  Conference System Chairman Station

Product Introduction

The TOA TS-691L Chairman Unit with Long Microphone is part of the TS-690 Conference System, designed for clear communication and easy operation in meetings. With its compact, lightweight design, the unit is easy to install and store. Equipped with a long electret condenser microphone, it ensures precise voice pickup. The chairman can control speech, monitor delegates, and override delegate microphones using the priority button with single-tone chime activation.

Key Features

• Chairman unit for TS-690 Conference System

• Equipped with long unidirectional condenser microphone for clear speech

• Priority button allows chairman to override delegate microphones

• Internal speaker with volume control for monitoring

• Headphone and recording output (3.5 mm jack)

• Compact and lightweight design, easy to install and store

• Supplied power from Central Unit (TS-690)

• Durable ABS resin housing with elegant metallic grey finish

Technical Specifications

• Power Source: 36 V DC, 30 mA or less (from TS-690)

• Output: Headphone/Recording: Ø3.5 mm mini jack (3P, monaural); Internal speaker: 130 Ω, 200 mW

• Controls: Speech button (mic/speaker on/off), Priority button (override + chime), Volume controls

• Microphone (Accessory): Electret condenser, unidirectional, 518 mm length

  • Impedance: 1.8 kΩ

  • Sensitivity: -37 dB (1 kHz, 0 dB = 1 V/Pa)

  • Frequency Response: 100 Hz – 13 kHz

  • Weight: 105 g

• Operating Temperature: 0 °C – 40 °C

• Operating Humidity: ≤90 % RH (no condensation)

• Finish: Upper case: ABS resin, metallic grey; Lower case: ABS resin, black

• Dimensions (unit only): 145.3 (W) × 70.7 (H) × 150.5 (D) mm

• Weight: 800 g (excluding microphone unit)

• Accessory: Long Microphone Unit × 1

• Options: Extension cord YR-790-3, YR-790-10