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Lowell Manufacturing 4A30 4" 30W Premium Coaxial Driver

SKU: LW4A30 MFR: 4A30
$24.82
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Key Features

  • Experience accurate sound with this 4" coaxial driver, perfect for studio monitors.
  • Achieve optimal audio clarity with a frequency response of 81Hz-20kHz for detailed sound.
  • This premium coaxial driver delivers 30W power handling for robust audio performance.
  • Enjoy wide sound dispersion (135 degrees at 2000Hz) from this studio-grade speaker.
  • Built to last: features a durable steel basket and quality components for reliable use.
  • Easy install: quick-connect terminals make setup simple for your custom speaker project.
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Special Order?Estimated to Ship: 08/11/2025
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Lowell Manufacturing 4A30 Specifications

Performance

Performance

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  • Power Rating

    30 watts (EIA 426B)

  • Sensitivity

    87.8dB SPL (avg) measured 2.83V at 1m
    Max SPL 102.6dB (calculated value based on power rating and measured sensitivity)

  • Impedance

    8 ohms (nominal), minimum 6.4 ohms at 508Hz

  • Frequency Response

    81Hz-20kHz (+6dB); 50Hz-20kHz (+8.1dB)

  • Crossover Frequency

    5000Hz, 1st order high-pass filter

  • Dispersion Angle

    135 degrees at 2000Hz octave (-6dB)

  • Cone Material

    Polypropylene with rubber half-roll (up) surround

  • Magnet Weight/Material

    10 oz (283.49g), ferrite ceramic

  • Voice Coil Diameter/Material

    1" (2.54cm), copper wire over aluminum former

  • Terminals

    Quick connect type - two 0.187" spade lugs (push terminals)

Tweeter

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  • Diameter

    1.75" (4.45cm) housing with 1" (2.54cm) Dia. balanced-drive dome

  • Magnet Weight/Material

    0.06 oz (1.70g), neodymium magnet

  • Voice Coil Diameter/Material

    0.5" (1.27cm), liquid cooled copper wire

Mechanical

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  • Basket

    20-gauge stamped steel with black enamel paint

  • Outside Diameter

    5.03" (12.78cm)

  • Mounting Bolt Circle

    4.69" (11.91cm) with 4 obround holes spaced at 90 degrees and 4 round holes spaced at 90 degrees

  • Cutout Diameter

    4.13" (10.49cm)

  • Mounting Depth

    2.25" (5.72cm)

General

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  • Compliance & Certification

    Made in U.S.A. with global components
    Meets or exceeds industry standards

  • Weight

    1.75 lbs (0.79kg)

About Lowell Manufacturing 4A30

Explore the superior sound quality and performance of the 4A30 4" 30W Premium Coaxial Driver, a standout product in Lowell Manufacturing's esteemed "A Series" driver line. This high-quality, durable coaxial driver is meticulously engineered to deliver exceptional voice and music reproduction across a broad coverage area.

Experience the 4A30's smooth, musical sound, characterized by its wide dispersion of 135 degrees. This efficient and reliable audio device is designed with a compact architectural footprint, making it an ideal choice for professional sound setups in various venues.

Whether you're looking to enhance the auditory experience in hotel lobbies, retail stores, terminals, or similar spaces, the 4A30 is your go-to solution for high-quality paging and background music. Its superior performance ensures clear, intelligible communication coupled with accurate sound reproduction, making it a preferred choice for those seeking excellence in their audio equipment.

Discover the difference with the 4A30 4" 30W Premium Coaxial Driver, where quality meets performance for an unparalleled audio experience.

Lowell Manufacturing 4A30 Features

  • 30W coaxial 4" (EIA 5") driver has the capacity to deliver a wide angle of sound distribution at 2kHz with uniform response and clear audibility to ensure complete coverage with minimum units
  • Includes 10 oz. magnet, 1" copper voice coil and polypropylene cone with half-roll rubber surround for long cone travel and good edge damping
  • Post-mounted liquid-cooled tweeter is a 1" diameter balanced drive dome with first order high-pass filter
  • Frequency response is 81Hz-20kHz (+6dB); 50Hz-20kHz (+8.1dB); with a crossover at 5kHz
  • Stamped 20-gauge steel frame with black enamel paint finish and zinc plated backplate

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience accurate sound with this 4" coaxial driver, perfect for studio monitors.
  • Achieve optimal audio clarity with a frequency response of 81Hz-20kHz for detailed sound.
  • This premium coaxial driver delivers 30W power handling for robust audio performance.
  • Enjoy wide sound dispersion (135 degrees at 2000Hz) from this studio-grade speaker.
  • Built to last: features a durable steel basket and quality components for reliable use.
  • Easy install: quick-connect terminals make setup simple for your custom speaker project.

What's in the box:

  • Lowell Manufacturing 4A30 4 " 30W Premium Coaxial Driver
  • Lowell Manufacturing 1 Year Limited Warranty