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Call/Text (972)540-6420 Our Price: $86.99 Quantity in Stock:5 Availability: Orders Placed Tues-Sat before 3pm Ship the Same Day Product Code: 4049 Qty: Description Specifications Shipping Information The GRAMMA (Gig and Recording, Amp and Monitor, Modulation Attenuator) is an incredibly effective patented device that's used to float an amp or loudspeaker.Have you ever put your amp on a hollow stage and had problems with controlling low end rumble? GRAMMA is for you.... GRAMMA yields nearly total acoustic isolation, resulting in a purity of tone that has to be heard to be believed!Get a more consistent tone from your amp from place to place, gig to gig, by using the GRAMMA, as your amp is on a consistent surface. You'll also notice a tightening of your low end response, and more overall clarity from your amp. GRAMMA™ v2 Series - ALL NEW! GRAMMA™ v2 - How Does It Sound? Dimensions: 23″ long x 15″ wide x 1.75″ highWeight Limit: 300lbs. We are open Tuesday-Saturday from 10am until 6pm CDT. Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday. For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Priority Mail, and Guitars and Amplifiers are generally shipped via UPS Ground. Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.Other shipping methods are available (at an additional cost), including next day air.Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order. Return Policy Details Related Products... 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