DSP2020A Wireless Classroom Amplification System

Name: DSP2020A Wireless Classroom Amplification System
Brand: Guangzhou DSPPA Audio Co., Ltd.

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.

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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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