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

DSP225NM Teaching Speaker

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.

  • 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



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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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