{"appears_in":[{"position":3,"ranking_slug":"best-monitor-arms-ergonomic-ultrawide-2026","ranking_title":"2026 年显示器支架臂怎么选：先核对重量、VESA 与桌板，8 款从平价单臂到重型超宽屏横向对比","score":9,"url":"https://buyranker.com/ranking/best-monitor-arms-ergonomic-ultrawide-2026"}],"brand":"Ergotron","buy_url":"https://www.ergotron.com/en-ca/products/product-details/45-690","canonical_url":"https://buyranker.com/product/ergotron-lx-pro-dual-stacking-arm","category":{"name":"显示器支架臂","slug":"monitor-arm"},"cons":["价格和底座体积都较大","宽屏并排要提前算总宽度","桌板受力集中在一个夹具"],"description":"适合两块重量相近或不同的显示器，需要独立对齐和频繁调整。","id":"f470756bbe31d038dfbf14fdefa9e8fc","image_url":null,"name":"Ergotron LX Pro Dual Stacking Arm","official_url":"https://www.ergotron.com/en-ca/products/product-details/45-690","price":{"currency":"USD","max":499,"min":399},"pros":["两块屏幕独立调高","支持并排和上下堆叠","总承重 20kg","旋转限位和收线完整"],"release_year":2025,"slug":"ergotron-lx-pro-dual-stacking-arm","specs":{"VESA":"75×75 / 100×100mm","保修":"10 年","前伸":"约 64cm","总承重":"3.6–20kg","典型屏幕":"每块 24–27 英寸","夹具桌厚":"10–60mm","每臂承重":"1.8–10kg"},"summary":"一套底座承载两只独立 LX Pro 臂，适合并排或上下布局。"}