Emb Vocal Effects Processor (Eqb75). 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 Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!