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Black steel full-motion TV wall mount with dual articulated arms folded flat, showing VESA plate and cable management slots

VideoSecu

VideoSecu MW340B-A4 26-55" Full Motion TV Mount 135lbs VESA 400x400mm

SKU CH-828W-AHNJ7

Full-motion wall mount holds 26–55 in screens up to 135 lbs, extends 16 in, tilts 15° forward or 5° back, swivels side-to-side, rotates 10° and folds 4.3 in from the wall with cable management

  • Product nameFull Motion Articulating TV Wall Mount
  • Mounting typeArticulating/Full Motion
  • AdjustabilityTilt forward 15º or backward 5°. Adjustable swivel from side
  • Supported TV size< 60 in
  • TV weight limit135 lb / 61kg
  • VESA compatibility100 × 100/ 200 × 100/ 200 × 200/ 300 × 200/ 300 × 300/ 400 ×
  • Fits TVs from 26 to 55 inches with VESA patterns up to 400x400mm
  • Holds displays up to 135lbs using heavy-duty steel construction
  • Extends up to 16 inches and folds to 4.3 inches depth
  • Tilts 15° forward, 5° back, swivels side-to-side and rotates 10°
  • Post-installation level adjustment plus security screws and cable management

Full Motion Articulating TV Wall Mount

The VideoSecu MW340B-A4 is a full-motion articulating wall mount built from heavy-duty steel. It supports flat-panel TVs from 26 to 55 inches weighing up to 135 lbs. The mount fits VESA hole patterns from 100x100 mm up to 400x400 mm. It provides tilt, swivel, rotation and up to 16 inches of extension for flexible viewing angles.

Compatibility Checks Before Ordering

Verify your TV's VESA mounting pattern falls between 100 mm and 400 mm both horizontally and vertically. Confirm the screen weight does not exceed 135 lbs or 61 kg. The supplier warns this mount does not fit 42-inch or larger TVs manufactured before 2013. Ensure your wall structure can accommodate the included mounting hardware for a secure installation.

Behaviour Under Sustained Load

The solid steel construction and nesting arm design are engineered to hold the maximum rated weight continuously without sagging. Security screws on both arms lock the screen firmly in position for long-term stability. Post-installation level adjustment allows precise levelling that holds over time. The open wall plate design supports ongoing cable management while the mount remains fully extended.

How it compares

Measured against everything we stock in TV Wall Mounts & Install Kits, at today’s prices. Recalculated every night.

Price $26.99
Cheaper than about 76% of the 1,540 comparable items (median $47.99).

Specifications

Product
Brand nameVideoSecu
Model nameMW340B-A4
Product nameFull Motion Articulating TV Wall Mount
Product colorBlack
Size & build
Mounting typeArticulating/Full Motion
AdjustabilityTilt forward 15º or backward 5°. Adjustable swivel from side to side. Rotate 10º. Extension up to 16 in
TV weight limit135 lb / 61kg
VESA compatibility100 × 100/ 200 × 100/ 200 × 200/ 300 × 200/ 300 × 300/ 400 × 200/ 400 × 300/ 400 × 400 mm or any hole pattern within 100–400 mm (4-15.7 in) wide and 100–400 mm (4-15.7 in) high
Cable managementYes
Compatibility
Supported TV size< 60 in

Questions about this item

What comes in the box and what must I buy separately?

The package includes the wall plate, dual articulated arms, mounting hardware for wood studs and concrete, a bubble level and cable-management clips. No extra brackets or fasteners are required for standard installations.

How do I choose the right VESA setting for my TV?

The mount supports any hole pattern from 100×100 mm up to 400×400 mm. Measure the horizontal and vertical spacing on the back of your display and select the matching holes on the arms; no adapter plates are needed.

What does the 16-inch extension mean once the mount is on the wall?

With the arms fully extended the screen sits 16 inches from the wall; folded back it rests 4.3 inches out, giving you the full range to pull the TV forward for viewing or push it flat to save space.

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