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ViewSonic VB-BLM-001 BalanceBox 55
ViewSonic

ViewSonic VB-BLM-001 BalanceBox 55" Display Cart

Counterbalanced height adjustment lets a single person reposition a 55" display effortlessly — no motors, no effort, no fixed mounting point.

$2,769.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The ViewSonic VB-BLM-001 BalanceBox 400 is a purpose-built mobile cart for 55" interactive displays, engineered around a spring-loaded counterbalance system that eliminates the physical effort typically required to reposition a large panel. The counterbalance offsets the display's weight so precisely that height changes can be made with a single hand — a meaningful ergonomic advantage in environments where displays are repositioned frequently for standing versus seated use, varying user heights in classroom settings, or ADA-compliant access requirements.

This is a product built for corporate and educational AV environments where a single large display needs to serve multiple contexts without a fixed wall installation. The mobile base makes it practical to roll the display between conference rooms or classrooms, while the height mechanism ensures every user works at an optimal viewing angle rather than craning up at a fixed mount. The 159.9-lb packaged weight is the direct result of the structural engineering required to safely support a 55" panel in a mobile, height-adjustable format — plan for a two-person assembly, confirm doorway clearances, and verify your display's VESA pattern against the cart's specification before the unit arrives.

Key Features

Item Package Dimension: 71.10L x 47.00W x 34.10H inches

Item Package Weight - 159.90 Pounds

Item Package Quantity - 1

Product Type - OFFICE PRODUCTS

BALANCEBOX 400

Specifications

Brand
ViewSonic
Model
VB-BLM-001
Type
BalanceBox 400 Height-Adjustable Mobile Cart
Compatible Display Size
55"
Height Adjustment
Spring counterbalance (manual, no power required)
Package Dimensions
71.10"L x 47.00"W x 34.10"H
Package Weight
159.90 lbs
Product Category
Office Products

Pros & Cons

👍 Pros

  • Spring counterbalance enables smooth, one-handed height repositioning of a 55" display without motors or power connections
  • Mobile base allows the display to be relocated between classrooms, conference rooms, or presentation spaces as needed
  • Designed and calibrated specifically for 55" panel weight, ensuring stable balance throughout the height adjustment range
  • No electrical components in the height mechanism means no power cable management for the lift itself

👎 Cons

  • Size and counterbalance calibrated exclusively for 55" displays — not adaptable to other screen sizes without voiding the balance design
  • Packaged weight of 159.9 lbs requires multiple personnel and appropriate handling equipment during delivery and assembly
  • Large package footprint (71"L x 47"W) demands significant clear floor space during assembly
  • Manual counterbalance only — no motorized or electric height adjustment for power-user workflows

Frequently Asked Questions

It is engineered for 55" displays. The spring counterbalance is calibrated for that panel weight and form factor — using it with significantly larger or smaller screens will compromise the balance mechanism's effectiveness and the cart's stability.
The BalanceBox 400 uses a spring-loaded counterbalance system that offsets the weight of the attached display. The spring tension precisely cancels out gravitational load, allowing smooth one-handed height changes without electrical components or power connections.
Given the 159.9-lb packaged weight and 71" x 47" x 34" package footprint, two people are strongly recommended for both assembly and mounting the display onto the cart. Plan approximately 1–2 hours.
Yes — it is a mobile cart designed for relocation. Verify that doorway clearances, elevator dimensions, and floor surface conditions are compatible with the cart's size and caster design before moving it between spaces.
VESA compatibility depends on the specific display's mounting pattern. Verify that your 55" display's VESA specification is supported by the BalanceBox 400 before purchasing.

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