D6211 Conference Expansion Unit

Name: D6211 Conference Expansion Unit
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Works with the conference host to expand connections for conference units.
● Supports linking up to 31 expansion units within a single system.
● 8P-DIN aviation female connectors: one conference host connection port and three conference unit connection ports.
● One expansion unit can connect up to 128 conference units.
● 2U luxury chassis design, stylish and elegant appearance.
● Can be installed in a 19-inch standard rack, allowing convenient installation and placement.
● The enclosure is made of all-metal material. Both the circuitry and chassis are reinforced with grounding connections, providing ESD protection up to 10 kV (contact) and 15 kV (air discharge).

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Introduction
Specification
Connection

The D6211 Conference Expansion Unit is designed to expand the capacity of the digital conference system, allowing more conference units to be connected within a single system. It supports up to 128 conference units per device and up to 31 expansion units in cascade, providing flexible system expansion for medium to large-scale conference applications. The unit features a 2U rack-mounted design and ensures stable signal transmission and reliable performance.

Model	D6211
Frequency Response	20Hz–20kHz (±3 dB)
Signal-to-Noise Ratio	≥80 dB
Harmonic Distortion	<0.3%
Static Power Consumption	10W
Maximum Power	350W
Output Power	≤110 W / 3 channels, 24 V
Maximum Number of Units	128 pcs
Power Supply	Switching power supply 220V / 50Hz / 350W
Net Weight	6.3 kg
Gross Weight	6.9 kg
Product Dimensions (L × W × H)	484 × 385 × 88 mm
Package Dimensions (L × W × H)	525 × 480 × 185 mm