Joyo'S Jf-10 Dynamic Compressor Pedal Is A True Bypass, Low Noise Re-Creation Of Product Features JOYO Dyna Compressor guitar effect pedal features a re-creation of the classic-ross's compressor with very low noise, an essential part of your tone. Use the "Sustain" "Attack" and "Level" knobs to find your ideal tone. Tweak the "Attack" knob to boost your bottom end and level off high-output pickups. True Bypass provide transparent tone to keep the best tone quality, aluminium-alloy housing classic stoving varnish finish, stable and strong. JOYO is over decade of brand reputation, with the most popular budget pedals, amplifiers, wireless systems, controllers, metronomes, tuners winning the love of global guitarists and inspiring people's music dreams. Before playing, please make sure the guitar is fully connected with the pedal. in order to make JOYO pedals work properly and avoiding unexpected noise, we recommend you to purchase an extra JOYO original power adapter, or choose the other reliable brands and make sure it meets the working current requirement of single pedal. 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!