Lowell Manufacturing P625X Recessed Steel Backbox for 4" Speaker, 6.25" Square x 4" Deep

SKU: LWP625X MFR: P625X
$38.54
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Key Features

  • Optimize studio speaker performance with this recessed steel backbox for enhanced sound!
  • This 6.25" square backbox is undercoated to reduce unwanted resonance for clearer audio.
  • Durable 20-gauge steel ensures your 4" speakers are protected in any studio environment.
  • Achieve precise sound with corner mounting tabs & depth adjustment for studio monitors.
  • Universal compatibility: fits 4" speakers, screw-mount grilles, & channel rails easily.
  • Install your speakers with confidence using knockouts & U-clips for secure mounting.
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Special Order?Estimated to Ship: 08/13/2025
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Lowell Manufacturing P625X Specifications

  • Compatibility

    4" speaker
    SG-4 Screw-Mount Grille
    4" Drivers
    ULT-SG4-CT572 Speaker/Grille Assembly
    SS24, SS30 Channel Rails

  • Material

    20-gauge steel

  • Volume

    0.09 Cubic Feet

  • Acoustical Treatment

    Undercoated

  • Mounting Aids

    Corner mounting tabs with 8-32 U-clips, knockouts, slots for depth adjustment

  • Dimensions (HxWxD)

    6.25 x 6.25 x 4.00" (15.88 x 15.88 x 10.16cm)

About Lowell Manufacturing P625X

Underpin your audio setup with the P625X Recessed Steel Backbox, specifically designed for 4-inch speakers. This high-quality, durable backbox from the reputable Lowell Manufacturing brand is the perfect fit for your audio equipment, ensuring optimal sound quality and performance.

Crafted with precision, this stylish and protective backbox is ideal for both wall and ceiling installations, seamlessly blending into your space for a sleek, modern aesthetic. Its 6.25-inch square and 4-inch deep dimensions provide a snug fit for your 4-inch speaker, enhancing the overall sound experience.

The P625X Backbox features parallel slots on two sides, a unique design element that allows for depth adjustment in areas where the surface may vary in material, depth, or evenness. This flexibility ensures a secure and stable installation, regardless of the surface conditions.

Additionally, these slots can be utilized to attach optional channel rails, a feature that aids in weight distribution, particularly useful in suspended tile ceilings. This reliable and versatile backbox is an excellent choice for those seeking to improve their audio setup, offering both aesthetic appeal and functional benefits.

Invest in the P625X Recessed Steel Backbox for your 4-inch speaker and experience the difference in sound quality and durability that Lowell Manufacturing products are known for.

Lowell Manufacturing P625X Features

  • 20-gauge steel construction
  • 6.25" square x 4" deep (.09 cu.ft. volume)
  • Bottom is coated with metal deadener to eliminate acoustic and metallic resonance
  • Slots (1" long) for depth adjustment on uneven surfaces
  • Four 1/2"-3/4" compound knockouts for conduit
  • Corner mounting tabs with 8-32 U-clips for screw-mount grille installation
  • Black powder epoxy finish
  • Made in the U.S.A. with certified U.S. steel

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Optimize studio speaker performance with this recessed steel backbox for enhanced sound!
  • This 6.25" square backbox is undercoated to reduce unwanted resonance for clearer audio.
  • Durable 20-gauge steel ensures your 4" speakers are protected in any studio environment.
  • Achieve precise sound with corner mounting tabs & depth adjustment for studio monitors.
  • Universal compatibility: fits 4" speakers, screw-mount grilles, & channel rails easily.
  • Install your speakers with confidence using knockouts & U-clips for secure mounting.

What's in the box:

  • Lowell Manufacturing P625X Recessed Steel Backbox
  • Lowell Manufacturing 1 Year Limited Warranty