Eminence Speakers Alpha 4-4 4" 55W Full-Range Speaker Driver, 4 Ohm, Pair
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Eminence Speakers Alpha 4-4 4" 55W Full-Range Speaker Driver, 4 Ohm, Pair

SKU: EMALPHA44 MFR: ALPHA4-4
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Key Features

  • Experience clear audio with the Eminence Alpha 4-4 full-range speaker driver.
  • Achieve optimal sound quality with this 4 Ohm speaker's 105 Hz - 10 kHz range.
  • Perfect for DIY studio monitors, this 4" driver delivers accurate sound.
  • Enjoy long-lasting performance with a durable ferrite magnet speaker design.
  • Get powerful sound; this 55W driver is great for custom audio projects.
  • Easily integrate this 4-inch speaker with its versatile mounting options.
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Eminence Speakers ALPHA 4 Specifications

General

General

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  • Nominal Basket Diameter

    4" (102mm)

  • Nominal Impedance

    4 Ohm

  • Power Rating

    Program Power: 110W
    Watts: 55W

  • Resonance

    120 Hz

  • Usable Frequency Range

    105 Hz - 10 kHz

  • Sensitivity

    88 dB

  • Magnet Weight

    10 oz

  • Gap Height

    0.144" (3.7mm)

  • Voice Coil Diameter

    1" (25mm)

Thiele & Small Parameters

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  • Resonant Frequency (fs)

    120 Hz

  • DC Resistance (Re)

    3.42 Ohm

  • Coil Inductance (Le)

    0.18mH

  • Mechanical Q (Qms)

    6.41

  • Electromagnetic Q (Qes)

    0.7

  • Total Q (Qts)

    0.63

  • Compliance Equivalent Volume (Vas)

    1.76L (0.06 cu ft)

  • Peak Diaphragm Displacement Volume (Vd)

    15 cc

  • Mechanical Compliance of Suspension(Cms)

    0.38 mm/N

  • BL Product (BL)

    4.12 T-M

  • Diaphragm Mass Inc. Airload (MMs)

    0.17 (5g)

  • Efficiency Bandwidth Product (EBP)

    172

  • Maximum Linear Excursion (Xmax)

    0.10" (2.6mm)

  • Surface Area of Cone (Sd)

    0.06 sq ft (57.7 sq cm)

  • Maximum Mechanical Limit (Xlim)

    0.1" (4.5mm)

Mounting Information

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  • Recommended Enclosure Volume

    Sealed: 1.84-4.53L (0.07-0.16 cu ft)
    Vented: 3.96-7.08L (0.14-0.25 cu ft)

  • Driver Volume Displaced

    0.33L (0.012 cu ft)

  • Overall Diameter

    4.57" (116.1mm)

  • Baffle Hole Diameter

    3.77" (95.8mm)

  • Front Sealing Gasket

    Yes

  • Rear Sealing Gasket

    Yes

  • Mounting Holes Diameter

    0.15" (3.8mm)

  • Mounting Holes B.C.D.

    4.25" (108mm)

  • Depth

    2.31" (58.7mm)

  • Net Weight

    1.5 lb (0.68kg)

Materials of Construction

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  • Coil Construction

    Copper voice coil

  • Coil Former

    Polyimide former

  • Magnet Composition

    Ferrite magnet

  • Core Details

    Non-Vented core

  • Basket Materials

    Pressed steel basket

  • Cone Composition

    Paper cone

  • Cone Edge Composition

    Cloth cone edge

  • Dust Cap Composition

    Solid composition paper dust cap

Other

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  • UPC Code

    876358003808

About Eminence Speakers ALPHA 4

What sets the Alpha 4-4 4" 55W Full-Range Speaker Driver apart is its versatility and high-quality performance. Manufactured by the reputable Eminence Speakers, this powerful 4 Ohm pair is designed to deliver superior sound across a wide range of frequencies.

Ideal for tight fitting applications such as line arrays, car doors, and side panels, the Alpha 4-4 is more than just a speaker driver. Its innovative design allows it to function full range, as a midbass, or as a midrange, offering flexibility to meet your specific audio needs.

Whether you're setting up a home theater, a music studio, or a live sound system, this durable and reliable speaker driver ensures a rich, immersive audio experience. It can be stacked independently in a column for vocal applications, or paired with a tweeter and a sub for compact, high-performance PA or MI applications.

In a market saturated with audio equipment, the Alpha 4-4 4" 55W Full-Range Speaker Driver stands out for its exceptional quality and performance. Trust in the power and reliability of Eminence Speakers to deliver the sound experience you desire.

Eminence Speakers ALPHA 4 Features

  • Suited for line arrays, car doors and side panels, and other tight fitting applications
  • Can be used as full range, midbass, or as midrange speakers
  • Pair can be stacked alone in a column, or in conjunction with a tweeter and a sub

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Key Features

  • Experience clear audio with the Eminence Alpha 4-4 full-range speaker driver.
  • Achieve optimal sound quality with this 4 Ohm speaker's 105 Hz - 10 kHz range.
  • Perfect for DIY studio monitors, this 4" driver delivers accurate sound.
  • Enjoy long-lasting performance with a durable ferrite magnet speaker design.
  • Get powerful sound; this 55W driver is great for custom audio projects.
  • Easily integrate this 4-inch speaker with its versatile mounting options.

What's in the box:

  • 2x Alpha 4-4 4 " 55W Full-Range Speaker Driver (4 Ohm)
  • Eminence Speakers 7 Year Limited Warranty