Two clamps on one base, and a listing that rules out glass
A dual monitor mount whose base uses two C-clamps instead of one, with a listing that states its three monitor conditions and its three desk conditions before anything else.
HUANUO dual C-clamp arm, FlowLift
Best for: A solid wooden desk, where the clamp itself is the thing you are worried about.
The base is the argument. Where every mount on this shelf except its HUANUO sibling clamps to the desk at one point, this one uses two C-clamps on a wider platform — the right answer to what goes wrong with a dual mount, namely that two screens on one post put a twisting load on a single clamp until it works loose.
The listing is also unusually disciplined about conditions. It lists three things your monitor must satisfy — size between 13 and 32 in, weight between 4.4 and 19.8 lb, and a 75 or 100 mm VESA pattern — and then three things your desk must satisfy: wooden, not glass or plastic; between 0.59 and 3.54 in thick; and with no cross beam or panel under the edge to block the clamp. Only the two HUANUO pages state that last condition, and it is the one that sends mounts back.
Two oddities are about the catalog rather than the product. HUANUO sells a second arm at the same price with the same base and the same per-arm rating, differing only in a 13 to 27 in screen range and 16.2 in of rise against 13 to 32 in and 15.75 in here — and it publishes no reference. The white version of this mount is listed separately again, as HNDS6W-US. On the published figures, that is one product in three listings. And if rise matters more than the base, the Acer at the same $70 lifts 18.1 in.
Read on the day this page was built: $70 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Best for: A solid wooden desk, where the clamp itself is the thing you are worried about.
Prices quoted in this text were read on 2026-10-13. The live price is at the top of the page.
Because a clamp works by squeezing, and glass does not forgive it. HUANUO states three desk conditions that must all hold: "Only wooden desks are recommended, plastic or glass desks cannot be used", a thickness between 0.59 and 3.54 in, and no cross beams or panels under the top where the clamp has to close. The third is the one most buyers discover after unboxing — a desk with a frame rail an inch inside the edge has nowhere for a clamp to go.
On the published figures, in two places. This one states 13 to 32 in and 15.75 in of rise; the other states 13 to 27 in and 16.2 in. They share the price, the dual C-clamp base, the 4.4 to 19.8 lb per arm, the same tilt and swivel ranges and the same desk conditions. One carries the reference HNDS6 and the other publishes no reference at all.
No. HUANUO lists a white HNDS6 separately, reference HNDS6W-US, whose own bullets name the HNDS6 and repeat the same 13 to 32 in and 4.4 to 19.8 lb at the same price. The color is the only difference.
A powered sit-stand platform carrying two monitor arms, and the only product on this shelf to publish the combined figure this hub’s buying tip asks for — 55 lb in total.
Best for: A desk that cannot be replaced, where both screens have to rise together at the push of a button.
The only mount on this shelf with no shared pole — two separate gas-spring arms, each clamped on its own, so neither screen moves when the other does.
Best for: A desk layout a crossbar cannot serve — two screens far apart, or one screen and a gap.
A full-motion dual mount that publishes both its reach and its rise — with the Acer, the only one here that does — tested to 20,000 cycles, at about $50.
Best for: Two screens up to 32 in on a deep desk, where published reach and rise matter more than a thick-desk clamp.
A freestanding aluminum and ABS stand with a curved plastic cradle designed to protect the headband sponge, and a base the maker describes as low center of gravity without putting a figure to it.
Best for: A desk where the stand is part of the furniture and the headset is taken on and off all day.
An under-desk headset hook clamped by a screw rather than a spring, with silicone rubber where the headband rests — the cheapest holder here, and the only clamp-on one with no thickness range.
Best for: A desk you have already measured, where the simplest and cheapest sound mounting is enough.
A solid North American walnut base and cradle on aluminum alloy support rods, hand-polished and wood-wax finished, arriving fully assembled — the most expensive stand in this hub.
Best for: A desk where materials and finish matter as much as function, and paying more for walnut is the point.