D6221

DSPPA D6221 - tabletop chairman unit for the D62 conference system

DSPPA D6221 is an advanced tabletop chairman unit designed for the D62 digital conference system. It integrates speech, voting, check-in and automatic camera tracking functions, offering full control over meeting proceedings. With robust construction, high-quality audio components and intuitive operation, D6221 is ideal for professional AV installations in conference rooms, government facilities and congress centers.

Functionality:

• electret, directional, cross-shaped microphone with dual-color LED ring (red - active, green - request)
• removable gooseneck microphone rod (315mm / 415mm, black or silver)
• built-in magnet HiFi speaker - automatically muted when microphone is active
• 3.5mm stereo headphone jack with adjustable volume
• microphone on/off switch, 5 voting buttons and chairman priority button
• conference check-in function - each unit has a unique ID code
• high-brightness LCD screen displaying ID, speech requests, voting results, check-in count and system messages
• language switch between Simplified Chinese and English
• supports automatic camera tracking via controller or PC software
• self-check function: buttons, microphone, LED indicators, LCD screen, speaker
• passive unit powered by system controller (DC 24V)
• startup prompt tone (can be disabled)
• platform mode - chairman unit can remain active continuously
• chairman can approve delegate speech requests
• no restrictions on position or activation for chairman units
• connection modes: hand-in-hand, T-type and + type

Features:

• microphone type: electret, directional, cross-shaped
• sensitivity: -45dBV/Pa
• input impedance: 2kΩ
• equivalent noise: 20dB SPL
• max SPL: 125dB (THD <3%)
• frequency response: - unit A → B: 80Hz-7kHz
  - host LINE → unit: 20Hz-8kHz
  - unit → host LINE OUT: 80Hz-9kHz
• speaker power: 1.5W
• static power consumption: <1W
• max power consumption: 2W
• SNR: >80dB
• crosstalk attenuation: >80dB
• harmonic distortion: <0.5%
• headphone output: 9dBu, 8-32Ω, 3.5mm
• power supply: DC 24V
• interface: 8-pin DIN socket
• unit dimensions: 218x120x50mm
• package dimensions: 560x215x165mm
• net weight: 1kg

DSPPA D6221 is a comprehensive chairman unit combining speech control, voting and camera tracking in one device. With high-quality design, flexible connectivity and full integration with the D62 system, it is an essential tool for professional AV environments.