JamStands Series Guitar Amp Stand. Elevating your amp serves dual purposes: it decouples your amp from the floor and puts your amp at a better height for hearing your amp. The JS-AS100 Guitar Amp Stand easily manages both tasks, supporting amps weighing up to 150 lbs. It has five height options to put the amp at the best height for your listening situation and rubber pads on the support arms help secure your amp.SpecsCapacity: 150 lbs. (68 kg)Height: 13.25” – 19.75” (336mm – 502mm)Arms Width: 10” (254mm)Base Width: 19” (482mm)Base Depth: 20.25” (514mm)Weight: 8.6 lbs. (3.9 kg).