DSP225NM Teaching Speaker

Name: DSP225NM Teaching Speaker
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Based on the TCP/IP protocol, the network multifunctional decoding player can work across network segments.
● Support standard SIP protocol.
● Adopt RFID automatic frequency pairing technology, to realize automatic frequency pairing with the receiver at a certain distance without manual operation.
● Adopt 2.4G frequency pairing method to obtain a larger range and stronger anti-interference ability. After the receiver is paired with the transmitter, the pairing signal of the receiver will enter a silent state to avoid crosstalk of other devices nearby.
● Adopt anti-crosstalk voice encryption technology. When the device completes the frequency pairing to enter the voice transmission, the voice transmission between the devices will be under digital encrypted transmission, and other devices cannot communicate with the receiver.
● With three levels of adjustable voice receiving distance, to set three kinds of voice receiving distances, the largest for a space of about 15×8 meters, the middle for about 12×6 meters, and the smallest for about 9×6 meters.
● Multiple audio input: wireless MIC IN, MIC IN, 100V IN, AUX IN, network audio input.
● Support multiple audio formats: MP3, WAV, etc.
● Support one-key remote paging.
● With various control interfaces, such as I/O port and RS485 communication port.
● Can play the BGM, emergency paging and alarm signals from the host system.
● Can be controlled and played through the management software.
● Priority function: 100V IN/Network alarm>Wireless MIC/Local MIC>Network audio>AUX IN.
● Rated power 2×20W.

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Introduction
Specification

This device is a teaching speaker that integrates local sound reinforcement, multimedia teaching and network broadcasting, with priority 100V function. The speaker box is made of high-quality fiberboard and cold-pressed birch, allows for wall-mounted installation and supports sub-speaker to ensure high-quality sound. It is the best choice for teaching, large-scale lectures, business training, banquet halls, supermarkets and other places.

Model		DSP225NM
Acoustic System	Speaker Unit	6.5"×1
	Sensitivity (1m, 1W)	88±2dB
	MAX. SPL. (1m)	96±2dB
	Frequency Response	200Hz-10KHz
Audio Input	WirelessMICIN Sensitivity	10 mV
	WiredMICIN Sensitivity	45 mV
	AUXIN Sensitivity	300mV
	100VIN Sensitivity	100V
Audio Output	LINEOUT	1.0V
Control Interface	I/OPort IN	5-12V DC, optical isolation
	I/OPort OUT	Relay normally open, short circuit after triggering
	RS485	9600bps
	VDD OUT	24V
Amplifier System	Rated Power(RMS)	2×20W/8Ω
	Frequency Response	80Hz-16KHz
	Distortion	≤1％
	SNR	≥71dB
Wireless MIC Receiving System	Frequency Range	650-675MHz
	Frequency Response	300-10KHz
	UHF Sensitivity	<-90dBm
	AFOutput Level	120mV±20mV
	RFID Output Power	>-3dBm
	SNR	≥63dB
Others	Power IN	AC 100-240V/50-60Hz
	Decoding Format	MP3, WAV, etc.
	LAN Port Standard	RJ45 10/100M
	Support Protocols	DHCP, UDP, ICMP, IGMP (multicast)
	Package Dimensions (W×H×D)	498×283×153mm
	Product Dimensions (W×H×D)	360×240×115mm
	Gross Weight	5kg
	Product Weight	3.6kg

DSP225NM Teaching Speaker

Features

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