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

DSP2020B Wireless Classroom Amplification System

Features

● Stylish and simple appearance design.
● Adopt PLL design, with infrared and wireless frequency pairing functions.
● Can automatically search interference signals in the current environment, and actively avoid interference frequencies and select an ideal channel when pairing frequency.
● Adopt international top high-performance audio processing chip, ultra-low distortion sound processing circuit design.
● UHF 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

This product is a professional wireless microphone system. DSP2020 is the wireless microphone receiver, which can be combined with several kinds of transmitters to form a wireless microphone system. The combination set includes DSP2020A (Hand-held+Headset Wireless MIC+Receiver) Wireless Microphone Set and DSP2020B (Clip+Headset Wireless MIC+Receiver) Wireless Microphone Set.
Application scopes: conference hall, teaching lectures, home entertainment, etc.


Parameters

Value

Unit

Power Part

Receiver

Transmitter


Voltage

5V

Rechargeable lithium battery4.2V

V

Working Current (Peak)

80

60

mA

Standby Current

0.1

0

mA

Digital Audio Part

Bit Depth

16

Bit

Sampling Rate

32

kHz

Frequency Response

20Hz-16kHz(±1.5dB)

Hz

Dynamic Range

85

dB

Distortion

0.2

%

SNR

85

dB

System Delay

10

ms

Full Amplitude Input

169

mVrms

Full Amplitude Output

715

mVrms

Output/Input Gain

-6.9

dB

Output Impedance

600

Ω

RF Part

Frequency Range

1

GHz

Number of Channels

16

PCS

Bandwidth

5

MHz

Effective Receiving Distance

Indoors>30

m

Receiving Sensitivity

-90dBm@2Mbps/Ber=1/1000

dBm

Transmitting Power

10

dBm

Package Dimensions(2 pcs  W×D×H)

380×400×120mm

Gross Weight(2 pcs)

1.65KG

Receiver Dimensions (W×D×H)

165×105×30.4mm

Receiver Net Weight

0.2KG


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