Westcott

Westcott 2528 Rapid Box Switch 3x4 Portable Softbox Kit

4.3 (5 reviews)

Set up studio-quality soft light in seconds with this collapsible 3x4-foot rectangular softbox featuring interchangeable mounts.

$259.90*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Westcott Rapid Box Switch 3x4 is a collapsible rectangular softbox built for photographers who need professional light shaping without slow, complicated assembly. Its umbrella-inspired aluminum framework lets you open the modifier in seconds and lock it into place with an all-metal collar, making it especially practical for on-location work where setup time matters. The 3x4-foot rectangular shape produces a broad, directional light that wraps around subjects naturally—well suited to portrait, editorial, and product photography.

What sets the Rapid Box Switch apart is its interchangeable mount system. Rather than being locked into a single strobe brand, you can swap Westcott's Switch Light Mount Inserts at the rear of the modifier to fit virtually any strobe, speedlite, or monolight. This makes the softbox a long-term investment that adapts as your lighting kit evolves. The included diffusion panels are constructed from unbleached nylon that softens output without altering color temperature, and the reflective silver interior maximizes light efficiency. A travel case is included for easy transport, and the four all-metal ribs are backed by Westcott's 1-year warranty.

Key Features

DESIGNED FOR CONVENIENCE ON LOCATION AND IN THE STUDIO: This 3-foot x 4-foot collapsible rectagnular softbox is a portable light modifier for photographers that directs a specular light with a reflective silver interior

COMPACT AND EASY TO USE: The Rapid Box Switch 3x4 is constructed with solid aluminum umbrella-inspired framework, which maximizes durability, minimizes weight, and makes setup, teardown, and storage simple

INTERCHANGEABLE MOUNTS FOR POPULAR PHOTOGRAPHY LIGHTS: This softbox can be paired with Switch Light Mount Inserts, which are easy to attach to the rear of the modifier and available for virtually any strobe, speedlite, or monolight

ENGINEERED TO LAST: This softbox is constructed with an all-metal locking collar and 4 all-metal ribs backed by Westcott’s 1-year warranty

PREMIUM DIFFUSION FABRIC AND TRAVEL CASE INCLUDED: The included diffusion panels are constructed with a natural, unbleached nylon fabric that softens your light source without altering its color temperature, ideal for any style of portrait or product photography

Specifications

Modifier Type
Rectangular Softbox
Dimensions
3 x 4 feet
Frame Material
Aluminum umbrella-inspired framework
Ribs
4 all-metal ribs
Locking Collar
All-metal
Interior
Reflective silver
Diffusion
Natural unbleached nylon fabric
Mount
External Mount (Switch Light Mount Inserts sold separately)
Compatibility
Strobes, speedlites, and monolights
Included
Diffusion panels, travel case
Warranty
1 year

Pros & Cons

👍 Pros

  • Umbrella-style framework sets up and breaks down quickly for location shoots
  • Interchangeable Switch Mount system makes it compatible with virtually any strobe, speedlite, or monolight
  • All-metal locking collar and ribs provide durability over repeated use
  • Unbleached nylon diffusion fabric maintains accurate color temperature
  • Travel case included for easy transport

👎 Cons

  • Switch Light Mount Inserts for your specific light are sold separately, adding to the total cost
  • At 3x4 feet, the modifier is large and can be unwieldy in tight shooting spaces or windy outdoor conditions
  • Reflective silver interior produces more specular light, which may be too contrasty for some portrait styles without additional diffusion
  • Only a 1-year warranty, which is shorter than some competing modifiers offer

Frequently Asked Questions

No. The softbox uses Westcott's Switch Light Mount Insert system, but inserts are sold separately. You will need to purchase the insert that matches your specific light.
It uses an umbrella-inspired aluminum framework, so it opens and collapses much like an umbrella—no complex assembly of individual rods or panels required.
The kit includes diffusion panels made from natural, unbleached nylon fabric designed to soften light output without shifting color temperature.
Yes. The frame features an all-metal locking collar and four all-metal ribs, and Westcott backs it with a 1-year warranty.
Yes. A travel case is included for transport and storage.