AV-280 300W Professional Karaoke Power Amplifier with USB Port

AV-280 300W Professional Karaoke Power Amplifier With USB portFeatures:Built-in Bluetooth 4.0USB Port MP3 PlaybackMic Volume for Mic1, Mic2, Mic3Master Music /Mic Volume KnobMusic Tone Control - Treble,,Bass,BalanceMic Tone Control -Treble, BassEcho Tone Control - Delay, Repeat, Echo-LevelAudio Input: Multiple sets of RCA audioModelAV-280Rated Power (8 ohms)150Wx2Rated Power (4 ohms)300Wx2Frequency response20Hz-20kHz(±2dB)Noise ratio70dBInput SensitivityMic/12mv Music/300mvProtection circuitDC Protection.Short circuit protection.Overload protectiondB Mic Equalization dBTreble+/-15dB;Middle +/-12dB;Bass +/-15dBDimension(mm)420(W) X 143(H) X 360(D)Net weight4kgGross Weight4.2kgPackage(2pcs)510 x 430 x 460mm; G.W:9.1kgPower Supply110/240V Connectors: 5X 1/4" Microphone Inputs  (3 front,2 rear)2 X Analog Audio RCA Inputs 2 X speaker output interface+2x NL4What's in the Box:Professional Karaoke Power AmplifierRemote Control Power CordProduct Advantages:1. Stable quality,Good price2.Short product period3. On time delivery4. OEM Ability5. Excellent R&D team Our Service:1.Products design:  we will help our customers to design the full products line .2.Quality Stability : we assure the quality stability ,once there is quality problem happen, we will withdraw the cargoes unconditionally .3.Pre-production sample confirmation-after get customers 30% deposit . within 7 days we will provide pre-production sample to customers for confirmation before mass production.4.Quick and intimate service: quickly provide all the files which necessary for handling enrtrance formalities;assist our customers to make certificate5.On time delivery : for the first order ,we can ship within 25 days ,and for the repeated orders ,15 days in need .6.Protect our customers privacy of ingredient and market information : making usre that for the same our brand of products,in each country ,we only sell to one customer.Why choose us:1.We focus on amplifiers and microphone product over 15years2.Your reliable speakers and amplifiers OEM /ODM partner .You can be confident ,because we are trusted in quality .3.Our Factory covers an area of12,000 square meters and has more than 100 employees./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1