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PEX Dayton Audio 3 1/2" Aluminum Cone Full Range Neo Driver P14769665PEX-290-224 https://cdnimages.opentip.com/full/PEX/PEX-290-224.jpg Dayton Audio 3 1/2" Aluminum Cone Full Range Neo Driver Manufacturer Part Number: ND91-4The low distortion and high excursion capabilities of the Dayton Audio ND91-4 3-1/2\" full-range driver make it an ideal candidate for miniature point-source monitors, surround speakers, and line arrays. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.Key Features: Low distortion, full-range 65 Hz to 17 kHz performanceRubber-edged black anodized aluminum alloy coneLarge excursion capability-4.6 mm Xmax, 25 mm peakSelf-shielded Neo-Balanced motor structure with copper alloy shorting ring1\" 4-layer underhung voice coil with polyimide former30 watts RMS power handlingGreat for line arrays and micro monitorsOverview: Dayton Audio ND91-4 3-1/2\" Aluminum Cone Full-Range Neo Driver 4 OhmDayton Audio\'s ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90\'s voice coil diameter from 3/4\" to 1\" and adding a copper alloy shorting ring, the ND91-4 features even lower distortion and delivers better bass impact and dynamic range-with peak Xmax up to 25 mm!This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor\'s optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays.Specification: Product DetailsBrandDayton AudioModelND91-4Part Number290-224UPC844632090448Unit of MeasureEachWeight0.7Product SpecificationsNominal Diameter3-1/2\"Power Handling (RMS)30 WattsPower Handling (MAX)60 WattsImpedance4ΩFrequency Response65 to 17,000HzSensitivity85.6dB 2.83V/1mVoice Coil Diameter1\"Thiele-Small ParametersResonant Frequency (Fs)74HzDC Resistance (Re)4.3ΩVoice Coil Inductance (Le)0.83mHMechanical Q (Qms)4.24Electromagnetic Q (Qes)0.45Total Q (Qts)0.41Compliance Equivalent Volume (Vas)0.05ft³Mechanical Compliance of Suspension (Cms)0.96mm/NBL Product (BL)4.59T·mDiaphragm Mass Inc. Airload (Mms)4.8gMaximum Linear Excursion (Xmax)4.6mmSurface Area of Cone (Sd)30.4cm²Materials of ConstructionCone MaterialAluminumSurround MaterialRubberVoice Coil Wire MaterialAluminumVoice Coil FormerKapton® / PolyimideBasket / Frame MaterialSteelMagnet MaterialFerriteMounting InformationOverall Outside Diameter3.35\"Baffle Cutout Diameter3.01\"Depth2.22\"# Mounting Holes4Parts Express Staff Recommended Enclosure VolumeSealed Volume0.12ft³Sealed F3150HzVented Volume0.1ft³Vented F360HzManuals & Resources: Dayton Audio ND91-4 Klippel Test ResultsDayton Audio ND91-4 Graphs/FRD/ZMA Data FileDayton Audio ND91-4 SpecificationsDayton Audio Manufacturer Warranty 14769665 844632090448 1.0900lbs 0.00 0.00 0.00
Dayton Audio
20.99 2026-02-19 591 In Stock

Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm

Brand Dayton Audio
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UPC: 844632090448
SKU: PEX-290-224-P
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Product Description

Manufacturer Part Number: ND91-4

The low distortion and high excursion capabilities of the Dayton Audio ND91-4 3-1/2" full-range driver make it an ideal candidate for miniature point-source monitors, surround speakers, and line arrays. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.

Key Features:
  • Low distortion, full-range 65 Hz to 17 kHz performance
  • Rubber-edged black anodized aluminum alloy cone
  • Large excursion capability-4.6 mm Xmax, 25 mm peak
  • Self-shielded Neo-Balanced motor structure with copper alloy shorting ring
  • 1" 4-layer underhung voice coil with polyimide former
  • 30 watts RMS power handling
  • Great for line arrays and micro monitors


Overview:
Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm

Dayton Audio's ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90's voice coil diameter from 3/4" to 1" and adding a copper alloy shorting ring, the ND91-4 features even lower distortion and delivers better bass impact and dynamic range-with peak Xmax up to 25 mm!

This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor's optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays.

Specification:








Manuals & Resources:

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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