D6233 Embedded Chairman Microphone

Name: D6233 Embedded Chairman Microphone
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Sleek flush-mount housing featuring a detachable gooseneck microphone stem for space-saving recess, quick storage, and low-maintenance handling.
● Dedicated audio discussion unit designed specifically for crystal-clear voice communication in digital conference systems.
● High-sensitivity cardioid condenser capsule with an integrated red/green dual-color LED status ring for live visual feedback.
● Ergonomic flexible gooseneck stem engineered for effortless physical positioning and precise sound pickup.
● Quick-release mic stem design simplifies off-site storage, transit, and hassle-free system maintenance during recess.
● Integrated 3.5mm stereo output jack for private audio monitoring and assistive listening.
● Advanced RFI/EMI shielding provides strong immunity against smartphone signals and electromagnetic noise.
● Features a tactile mic power toggle button, with a dedicated priority override button on chairman units for seamless meeting control.
● Enables automated attendee sign-in via direct keypress confirmation.
● Individually assigned digital hardware ID for precise signal routing and central system tracking.
● Seamless synergy with digital controllers or software drives automated PTZ camera tracking.
● Automated startup self-test function scans and diagnoses system health upon host connection.
● Bus-powered passive architecture driven directly via 24V DC supply from the central host.
● Configurable chairman privileges include priority mute control and dedicated podium operational mode.
● Chairman console empowers active moderation by reviewing and approving delegate speaking requests.
● Unrestricted activation allowed for chairman units regardless of maximum open-mic threshold limits.
● Instant priority override controls enable the chairman to maintain proper meeting order seamlessly.
● Flexible connection capabilities allow chairman units to be installed anywhere within the system loop.

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Introduction
Specification

The D6233 and D6234 are dedicated discussion units designed for seamless integration into digital conference environments. Featuring recessed in-table mounting and a quick-release cardioid gooseneck microphone, they deliver clear acoustic pickup and user-friendly operation. When networked with the central system controller, these units facilitate automated PTZ camera tracking and comprehensive session control. Powered directly over the main system bus, they offer long-term operational stability for professional boardrooms and council chambers.

Model		D6233 D6234
Structure Type		Embedded
Effective Frequency Range with Gain Limit (±3dB)	Unit A to Unit B Monitoring	80Hz–8kHz
	Host Line to Unit Monitoring	60Hz–10kHz
	Unit to Host Line Output	80Hz–10kHz
Static Power Consumption		<1W
Maximum Power Consumption		2W
Signal-to-Noise Ratio		>80dB
Crosstalk Attenuation		>80dB
Harmonic Distortion		<0.5%
Headphone Output		9dBu, 8–32Ω, 3.5mm
Operating Power		DC24V supplied by host
Unit Interface		RJ45
Microphone	Microphone Type	Cardioid electret condenser
	Input Sensitivity	-45 ±2 dBV/Pa
	Frequency Response	50Hz–16kHz
	Maximum SPL	115dB
Overall Dimensions (W × D × H)		140 × 63 × 75 mm
Panel Dimensions (W × D × H)		140 × 63 × 6 mm
Chassis Dimensions		130 × 45 mm
Package Dimensions		510 × 210 × 165 mm
Net Weight		1 kg
Gross Weight		2 kg

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