Recording Studio Equipment

Is this mixer good……….?
http://www.guitarcenter.com/Yamaha-MG166CX-16-Channel-Mixer-With-Compression-and-Effects-104501275-i1322015.gcWill behringer Ultragraph Pro i need to attach any other effects to it like this?http://www.guitarcenter.com/Behringer-ULTRAGRAPH-PRO-FBQ1502-EQ-with-Feedback-Detection-182489-i1125223.gcIf not what is that for anyway?
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Behringer FBQ1502 15-Band Stereo Graphic Equalizer Rating: Too low to display Order Now

Behringer FBQ1502 Ultragraph Pro Dual 15-Band EQ Rating: USD $108.99 Order Now

Behringer FBQ3102 31-Band Stereo Graphic Equalizer Rating: Too low to display Order Now

behringer Ultragraph Pro