Aiyima 1PC Preamplifier NE5532 Karaoke Microphone Amplifier Board Preamp Bass Tweeter Sound Tone Con
<div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <img alt="-3_01" src="https://ae01.alicdn.com/kf/HTB146GjRVXXXXX7aXXXq6xXFXXXL.jpg?size=28887&height=100&width=750&hash=6f50b47ecb0ce14f671f926d397122c4"></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">Operating voltage: Dual AC 12V-15V</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">Size: Length 140mm Width 81mm Height 30mm.</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">Part of the use of disassemble accessories， mind carefully shot</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">Three Dual op amp are 5532 (T"exas or S"amsung)</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">M65831 M"itsubishi steel seal. origin JAPAN”. Now the good integration of origin is difficult to find，</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">From left to right: microphone volume - microphone bass - microphone treble - reverb - accompaniment center </span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">spacing 25MM</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="font-weight: 700;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;"><span style="background-color: #00b0f0;">Use matters:</span></span></span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">1 As close as possible， such as grounding with a simple metal box shield to get the best signal to noise ratio</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">2 With a good microphone to enlarge the chip， you are not necessarily installed when the equipment can be a good effect， which buyers in particular to attract attention! Because the microphone amplifier circuit itself is from the surrounding environment to pick up the sound， so easily sensitive to the surrounding environment of the clutter interference， so the finished amplifier is loaded into a metal case inside， then the shell line. It is recommended that the microphone board into a metal shielding box， microphone input socket can also be replaced with the kind of normally closed switch， so that you can pull out the microphone after the microphone input directly ground， thereby greatly reducing the current sound.</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">3 On the whistle， the current world K song products， whether it is finished or sheet， when the microphone near the speaker， certainly there will be howling， is absolutely impossible to eradicate， this is common sense! So we use， only try to use the strong point of the microphone， the microphone should not be against the speaker! </span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;"><span style="font-weight: 700;">Package</span></span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;">1pc</span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;"><img alt="-3_02" src="https://ae01.alicdn.com/kf/HTB18aONRVXXXXbMXpXXq6xXFXXXQ.jpg?size=28647&height=106&width=750&hash=682fcfd93c65fcc07fa53dd6564a5018"></span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;"><img alt="HTB1HgyMoMMPMeJjy1Xdq6ysrXXaF" src="https://ae01.alicdn.com/kf/HTB16yiGn0bJ8KJjy1zjq6yqapXay.jpg"></span></span></span></div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span 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break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> </div><div style="margin: 0.0px;padding: 0.0px;border: 0.0px;line-height: 18.0px;font-family: arial ， helvetica ， sans-serif;vertical-align: baseline;word-wrap: break-word;color: #000000;"> <span style="font-size: 16.0px;"><span style="font-family: verdana ， geneva ， sans-serif;"><span style="margin: 0.0px;padding: 0.0px;border: 0.0px;font-style: inherit;font-weight: inherit;line-height: inherit;vertical-align: baseline;"><img alt="-3_03" src="https://ae01.alicdn.com/kf/HTB1BXmkRVXXXXa8aXXXq6xXFXXXc.jpg?size=240110&height=514&width=750&hash=4930932835714e77c0da0e68007397d9"><img alt="-3_04" src="https://ae01.alicdn.com/kf/HTB1f7yKRVXXXXc5XpXXq6xXFXXXI.jpg?size=101155&height=325&width=750&hash=566f45c803de48b6da2881da449c2dac"><img alt="-3_05" 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