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Four-tier AV stand in maple finish with black steel supports

Monoprice Inc.

Monoprice Inc. Monolith 4 Tier Audio Stand XL Maple 139166

SKU CH-GNV5-MVDNW

A four-shelf AV stand with open-air design, steel pillars and MDF shelves supporting up to 75 lbs each and 150 lbs on the reinforced tier

  • TypeA/V STAND
  • FeaturesSturdy construction: The four steel support tubes feature a
  • Supports heavy components with each shelf rated for 75 lbs.
  • Reinforced shelf holds up to 150 lbs. with included support bar
  • Open-air design promotes airflow to prevent equipment overheating
  • Modular construction lets you configure shelf height for taller components
  • Scratch-resistant powder-coated steel tubes and easy-clean MDF shelves

Four-Shelf AV Stand

The Monolith 139166 is a four-tier audio stand designed for home-theatre and entertainment systems. Its open-air layout gives components unrestricted airflow and easy rear access for cabling. Steel support tubes with a black powder-coated finish carry thick MDF shelves finished in maple. The modular build lets you use only the tiers you need.

Shelf Load Capacity

Each standard shelf supports up to 75 lbs, while the tier fitted with the included support bar handles up to 150 lbs. This headroom covers most amplifiers, streamers and disc players without strain. Heavier subwoofers or rack-mount processors that exceed these limits will need a dedicated platform. The acoustically inert shelves avoid adding resonance to sensitive gear.

Open-Air Design Constraints

The open construction maximises cooling but offers no physical security or dust protection for the equipment. Cables remain visible unless routed separately, and there are no integrated wire-management channels. The stand relies on floor stability; uneven surfaces may require shims not supplied. Buyers needing lockable doors or enclosed cabinets should look elsewhere.

Highlights

  • Supports heavy components with each shelf rated for 75 lbs.
  • Reinforced shelf holds up to 150 lbs. with included support bar
  • Open-air design promotes airflow to prevent equipment overheating
  • Modular construction lets you configure shelf height for taller components
  • Scratch-resistant powder-coated steel tubes and easy-clean MDF shelves

Specifications

BrandMonoprice
Model139166
Part Number139166
TypeA/V STAND
FeaturesSturdy construction: The four steel support tubes feature a scratch-resistant black powder-coated finish, while the rigid, thick MDF shelves feature a finish that cleans easily and resists scratches and scuffs. Each shelf is acoustically inert and can support up to 75 lbs., while the shelf with the support bar can hold up to 150 lbs.

Questions about this item

Will the 75 lb per shelf limit handle my older amplifier and turntable together?

Each shelf supports up to 75 lbs, and the shelf with the included support bar holds up to 150 lbs, so you can place heavier vintage gear on the reinforced tier.

How can I confirm the open air design is giving my components enough airflow after assembly?

Feel for steady air movement through the open shelves while equipment runs; the design leaves all sides exposed so heat rises naturally without trapped pockets.

Does the box include the extra support bar for the 150 lb shelf, or do I buy it separately?

The support bar is provided in the package; no separate purchase is needed for the reinforced tier.

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