Guangzhou DSPPA Audio Co., Ltd.
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Tel: 020-28346138
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D7221 Desktop Digital Chairman Unit with Voting Function & Touch Screen

Features

● Power supply through PoE+48V network cable, support cascaded connection;
● With 5 inch TFT screen to bring the brand-new experience;
● Support IC card check-in (induction distance < 10mm) , key check-in and other modes.
● Can be configured into chairman unit, VIP unit, delegate unit,
● translation unit, operator unit and other management authority.
● With conference discussion, voting and other functions, can view and compile conference information;
● 1 channel 3.5mm audio output interface, can manually adjust the volume, and has 7 balanced adjustments;
● Support camera tracking function. With built-in speaker: 4W/2Ω

  • Introduction
  • Specification

The conference unit integrates functions such as speaking, voting, sign-in, self-test, tea application service and two-way intercom. Adopt cardioid directional condenser microphone, built-in internal magnetic speaker, headphone jack, with microphone on indicator ring and touch button light switch indication. It has the function of voice control switch in VOICE mode. Built-in digital high-speed processor and high-fidelity audio circuit. The unit with LCD capacitive touch screen can be operated by touch. The display can show the identity and working status of the chairman unit / VIP unit / common unit. With a variety of working modes, with echo cancellation, howling suppression, background squelch and other functions.
D7221 Desktop Digital Chairman Unit with Voting Function & Touch Screen

Model

D7221/D7222

Structure type

Desktop

Gain limited effective frequency range (±3dB)

A microphone in to B microphone out

80Hz-7kHz

Host line in to the unit

20Hz-8kHz

Microphone to host line output

80Hz-9kHz

Speaker power

1.5W

Static power

<1W

Maximum power consumption

2W

Signal to noise ratio

>80dB

Crosstalk attenuation

>80dB

Harmonic distortion

<0.5%

Headphone output

9dBu8-32Ω3.5mm

Working power

Host power DC24V

Unit interface

8-pin DIN dedicated interface

Microphone

Electret cardioid capacitive

Electret cardioid capacitive

Sensitivity

-45dBV/pa

input resistance

2kΩ

Equivalent noise

20dB(SPL)

Maximum sound pressure level

125dB(THD<3%)

Package dimensions

560×215×165mm

Machine size

218×120×50mm

Gross weight

2.5kg

net weight

1kg

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  • Tel:+86 020 37166520
  • Email:export@dsppa.com
  • Address:Jianggao Town, Baiyun District, Guangzhou, China