<var id="vjb7n"></var><var id="vjb7n"></var><cite id="vjb7n"></cite>
<menuitem id="vjb7n"></menuitem>
<var id="vjb7n"></var>
<var id="vjb7n"><video id="vjb7n"><thead id="vjb7n"></thead></video></var>
<var id="vjb7n"><strike id="vjb7n"><listing id="vjb7n"></listing></strike></var><menuitem id="vjb7n"><strike id="vjb7n"><progress id="vjb7n"></progress></strike></menuitem>
<cite id="vjb7n"></cite>
<var id="vjb7n"></var>
<cite id="vjb7n"><video id="vjb7n"><var id="vjb7n"></var></video></cite>
<var id="vjb7n"></var>
<var id="vjb7n"></var>
<cite id="vjb7n"><video id="vjb7n"><menuitem id="vjb7n"></menuitem></video></cite>
<var id="vjb7n"></var>
<var id="vjb7n"></var>
<menuitem id="vjb7n"></menuitem><var id="vjb7n"></var>
<var id="vjb7n"></var>
<var id="vjb7n"></var>
<menuitem id="vjb7n"></menuitem>
<menuitem id="vjb7n"><dl id="vjb7n"><listing id="vjb7n"></listing></dl></menuitem>
<var id="vjb7n"><strike id="vjb7n"></strike></var>
<cite id="vjb7n"><video id="vjb7n"></video></cite>
<var id="vjb7n"><strike id="vjb7n"></strike></var>
<var id="vjb7n"><dl id="vjb7n"></dl></var><cite id="vjb7n"></cite>
<var id="vjb7n"></var><var id="vjb7n"><strike id="vjb7n"><listing id="vjb7n"></listing></strike></var><cite id="vjb7n"></cite><cite id="vjb7n"><strike id="vjb7n"><thead id="vjb7n"></thead></strike></cite>
<menuitem id="vjb7n"><dl id="vjb7n"></dl></menuitem>
<cite id="vjb7n"></cite>
<cite id="vjb7n"></cite>
 

RX-666A

Blackboard Active Speaker

0.00
0.00
  
Product Description

Blackboard Active Speaker


★Multimedia blackboard education speaker, clear voice, high sensitivity, reliable performance, easy installation, complete protection function.
★Wide voltage range, strong output power with light weight.
★Independent control for music and microphone volume.
★1 mic input, 1 set of audio inputs, 1 set of audio outputs.
★Installation on both side and rear side.
★Microphone jack comes with built-in DC 6V power.
★Suitable for multimedia classroom and ordinary classroom.
★Frequency response:20Hz-20KHz
★Microphone:60Hz-14KHz
★Microphone non-linear distortion:≤0.2%
★Power amplifier noise voltage:≤10mV
★SNR:≥86dB(±2dB)
★Output power: 2X40 watts
★Size:50X10X10(cm)
★Power supply:AC 220V±10%/50Hz

Popular Products

?Guangzhou Bilipu Electronics Co., Ltd. All rights reserved.


两个人做人爱视频免费_中文有码vs无码人妻_久青青视频精品免费观看_真实女人一级特黄大片