Guangzhou DSPPA Audio Co., Ltd.
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Email: export@dsppa.com
Tel: 020-28346138
Fax: 020-81305947

DSP2021B 2.4G Wireless Classroom Amplification System

Features

● Stylish and simple appearance design.
● Adopt PLL design, with infrared and wireless frequency pairing functions.
● Automatically search interference signals in the current environment, and actively avoid interference frequencies and select an ideal channel.
● Adopt international top high-performance audio processing chip, ultra-low distortion sound processing circuit design.
● Dynamic compression shunt technology, to shunt and load high and low frequencies automatically for the best performance.
● Adopt international advanced digital pilot technology and independent ID code design to prevent cross frequency.
● Easy to install and use.

  • Introduction
  • Specification

The 2.4GHz wireless microphone system, designed for educational and professional audio applications, incorporates advanced digital processing for high sensitivity and reliable performance. It is powered by a 5V supply and offers a range of selectable channels to minimize interference. Additionally, it features harmonic adjustment to ensure optimal audio quality and clarity.


Model

DSP2021A DSP20221B

Receiver

Voltage

5V

Working Current (Peak)

80mA

Standby Current

0.1mA

Receiver Dimensions (W×D×H)

165×105×30.4mm

Receiver Net Weight

0.2kg

Transmitter

Digital Audio Part

Bit Depth

16Bit

Sampling Rate

48kHz

Frequency Response

100Hz-10kHz@±3dB

Distortion

<0.4%@94dBSPL, 1kHz

S/N Ratio

83dB

System Delay

15Ms

Full-Scale Input

190mVrms

Full-Scale Output

960mVrms

Input/Output Gain Ratio

14.1dB

RF Part

Frequency Selection Methood

Menu switching

Data Rate

2Mbps

Transmit Power

>10dBm

Maximum Working Distance

10M

Others

Charging

5V-800mA~2A power adapter

Operating Temperature

-20~60℃

Storage Temperature

-20~60℃

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  • Tel:+86 020 37166520
  • Email:export@dsppa.com
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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