D7321 5G WiFi Conference Chairman Microphone with Voting Function

Name: D7321 5G WiFi Conference Chairman Microphone with Voting Function
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Use 2.42 inch OLED screen, display voting results, volume, microphone status, power state, WiFi status, etc.
● Wide viewing angle, with high contrast 128 × 64
● Built-in rechargeable lithium battery, battery capacity 10000mAh, continuously speaking for more than 8 hours
● 128-bit AES digital encryption technology, WAP / WAP2 security connection, MAC address filtering, hidden SSID, prevent eavesdropping and unauthorized access
● High directive microphone, with windproof cover, with LED indicator ring, speech for red, wait for green
● D7321 is chairman microphone, with first priority button
● Using a low-delay technology, minimum delay is less than 20 ms; non-compressed audio transmission,
● 48K sampling rate, digital control, high quality of audio transmission

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Introduction
Specification

D7321 is chairman microphone, with first priority button. Using a low-delay technology, the minimum delay is less than 20 ms; non-compressed audio transmission. With 48K sampling rate, digital control and high quality of audio transmission.
New Generation Full Digital 5G Wi-Fi Wireless Conference System, Instantly Setup, leave more time for inspiring minds. DSPPA, make wireless come true.The major pain point on traditional meeting room is to connect all devices by cable, which is complex and wasting of time. DSPPA Wireless conference system, start the meeting in anytime, anywhere, increase the efficiency on planning.

Model		D7321/D7322
Structure Type		Embedded
Effective Frequency Range of Gain Limitation (± 3db)	Unit A To Unit B.	130Hz-14kHz
	Host Line to Unit	130Hz-14kHz
	Unit to Host Line	50Hz-14kHz
Speaker Power		1.2W
Static Power Consumption		<3.2W
Maximum Power Consumption:		4.5W
Signal-to-Noise Ratio		>81dB
Crosstalk Attenuation		>80dB
Harmonic Distortion		<1%
Headphone Output		9dBu, 8-32 Ω, 3.5mm
Operating Power Supply(Battery Pack)		DC5V is charged by Type-C port (more efficient charging in off state)
MIC	Microphone Type	Elector cardiac capacitive type
	Sensitivity	-30dBV/pa
	Input Impedance	2kΩ
	Equivalent Noise	20dB(SPL)
	MAX. SPL.	125dB(THD<3%)
Package Dimensions		485×280×120mm (with two in a box)
Machine Dimensions (W × D × H)		175×133×46mm
Gross Weight		2.0kg
Net Weight		0.6kg

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