Emb Vocal Effects Processor (Eqb75). Product Details EMB - Eqb75 - Dual 10 Band Stereo Equalizer With Spectrum display. Extra instruction applies: 1. If you don't see the light up show up in the unit, please do the following. A. Increase your bass sound of your music to a higher frequency B. Raise up the low frequency to higher range. C. Lower your high frequency to a lower range. D. Make sure you maximize the volume in your receiver 2. If you hear humming noise, please do the following. A. Unplug the unit and make sure the unit is securely ground and snug tight in the power adapter B. Lower your high freqency to a lower range. C. Make sure you use twisted shield RCA cable, lower quality cable will have noise interference that will cause humming noise Ten Bands of graphic EQ per Channel Multi-colored spectrum analyzer display shows the output of the system LEDs in all sliders, Two Line inputs and dual tape monitor loops Tuner | CD | TAPE | DVD inputs! Power supply MAX:20W NOTE: Refer the User Manual before use which is highly essential. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.