Behringer Ultracoustic Acx900 90-Watt 2-Channel Stereo Acoustic Instrument Amplifier With Dual Fx And Fbq Feedback Detection<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 2 dedicated instrument and microphone channels with separate Gain and FX controls </span></li><li><span class="a-list-item"> Revolutionary FBQ Feedback Detection System instantly reveals critical frequencies </span></li><li><span class="a-list-item"> 2 integrated， 24-bit digital FX processors each with 16 awesome effects programs including reverb， modulation， delay， and various effects combinations </span></li><li><span class="a-list-item"> 2 original 8" BUGERA dual-cone speakers for ultimate sound reproduction </span></li><li><span class="a-list-item"> Powerful 90-Watt， 2-channel stereo amplifier for acoustic instruments and vocals </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61GOtZOHZvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61T1kqlBSCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514%2B5X%2BaEsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515jf2ZsUsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51DJW9mdTPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Q42R1vLhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51lkgQoXfpL.jpg" noproxy>