[33.85 lb] Much more stable than some other (more expensive stands). I have a heavy, full size keyboard on the bottom rack and it stays put with no wobble or rocking.

[2] I have an X-Frame but couldn't use anymore it since I've added a bass pedal unit to my setup. This works great for my needs. It looks a lot uncluttered and puts people's focus on the keyboards not the hardware. It is also sturdier than my X. I do get a little wobble on the top tier but does only does if I push down on the back side of the keyboard. While playing, the keyboard stays put. Same is true for my X anyway. Set-up does require more time than the X but I bought this unit as a platform for my homemade MIDI organ which will not go anywhere. If I have to take it someplace else, I estimate it would take about two minutes to break down the stand and about four minutest to put together. To achieve that timeframe, my approach would be to mark up the stand with small arrow stickers so I know exactly how to put it back together. From what it I see, the top-tier hardware don't have to be taken apart once removed from the base. The screws can just be loosened and the parts can just be folded down. Looks like after all that, the stand can be broken down into 4 pieces to carry: vertical base =2; base cross-bar=1, top-tier group=1. Just my guesstimate. I haven't actually tried it.

[2] Well built. Adjustable and just the right size.

[Z-Stand] This is a great stand if your looking for a solid 2 keyboard setup. I use a full size Yamaha keyboard for the bottom and a Akai Miniak for the top. The thing that makes this a quality product is how sturdy the stand is, and the fact that the top mount is on its own bracket and can be adjusted to any desired width. I returned 2 different stands to @ that were more expensive than this one and they did not even come close to the quality of this product. I feel confident and trust my investment on this stand.

[2] My previous X stand was rather expensive junk and it went bye-bye. The Z-726 is the real deal. Assembly was easy but the instructions did not detail where the two washers were to be fitted. I got that bit wrong and had to make a change. Still, this is a very solid beast. A 61-note ROM-pler sits on the lower tier while a Bass Station II sits on top. Lots of adjustments permitted me to make a very ergonomic workstation with all the bits 'n bobs placed exactly as I wanted them for fluidic work-flow. Delivery was the usual B&H over-the-top style and the price was the best out there. Even if your kit only needs a single synth right now, get this stand and you can install the top tier later. (Do it ... you'll thank me later!) I can't speak to long-term durability but it seems quite solid to me. I'd buy another in a heartbeat.

[Z-Stand] This is just what I was looking for. I have Kronos 61 and was having difficulty finding a stand the right width that could also hold my minilogue also. Plenty of height between keyboards, but just enough so the upper is easily accessible. All the necessary cables route on the back and nothing seems out of place. Very sturdy and no shaking when playing.

[Black] This was exactly what I needed to hold 2 of my vintage keyboards. It is a great design and feels solid once put together. Does not wiggle when playing the keyboards.

[33.85 lb] This is a very nice stand. Easy to assemble and very solid. I use this stand in a home studio so I do not have to tear it down and put it back up often. The adjustable second level is really nice, it adjusts easily to any size keyboard and is very stable. Overall, great buy.

[2] Product is as described and my gar feels solid on it. It's a little big for my 49 key synth but I sort of knew that would be the case and I built an additional platform for the base as I wanted to make room for pedals and other modules. Highly recommend this product!