PEX B&C 4NDF34 8 4" Professional Neodymium Woofer 8 Ohm P12018821PEX-294-5938 https://cdnimages.opentip.com/full/PEX/PEX-294-5938.jpg B&C 4NDF34 8 4" Professional Neodymium Woofer 8 Ohm Manufacturer Part Number: 4NDF34-8The potent 4NDF34 4\" driver from B&C Speakers used an extremely powerful neodymium motor to produce high efficiency and excellent output capability for its size. With natural response up to 8,000 Hz and remarkable power handling this driver is a great choice for use as a woofer in compact 2-way systems or as a midrange in high output 3-way designs such as line arrays.Key Features: Light but powerful neodymium motor keeps size and weight to a minimum92 dB efficient with 100 watt RMS power handling for excellent output capability3.8 mm xmax allows significant displacement from a 4\" driver1.34\" copper voice coil on a fiberglass former for high power handlingWaterproof treated paper cone is suitable for use in harsh conditionsOverview: B&C 4NDF34-8 4\" Professional Neodymium Woofer 8 OhmB&C\'s compact 4NDF34 4\" driver combined high efficiency and incredible power handling to deliver surprising output capability for its size. Designed for use as a midrange in high output speaker systems, this driver actually has enough displacement capability to also be used in compact subwoofer assisted 2-way designs. The powerful neodymium motor keeps the efficiency high while minimizing size and weight. To handle and impressive 100 watts RMS, the 1.34\" copper voice coil is wound on a heat resistant fiberglass former. For use in damp and wet locations the non-resonant paper cone has a waterproof coating on both sides. The flexible 4NDF34 is a unique driver that would suitable for anything from portable Bluetooth speakers to compact 3-way stackable line arrays.Specification: Product DetailsBrandB&C SpeakersModel4NDF34-8Part Number294-5938UPC848864063362Unit of MeasureEachWeight1.25Product SpecificationsNominal Diameter4\"Bolt Circle Diameter4.53Power Handling (RMS)100 WattsPower Handling (MAX)200 WattsImpedance8ΩFrequency Response110 to 8,000HzSensitivity92dB 2.83V/1mVoice Coil Diameter1.34\"Thiele-Small ParametersResonant Frequency (Fs)110HzDC Resistance (Re)5.5ΩVoice Coil Inductance (Le)0.23mHMechanical Q (Qms)4.2Electromagnetic Q (Qes)0.28Total Q (Qts)0.27Compliance Equivalent Volume (Vas)0.06ft³BL Product (BL)9T·mDiaphragm Mass Inc. Airload (Mms)6.1gMaximum Linear Excursion (Xmax)3.8mmSurface Area of Cone (Sd)57cm²Materials of ConstructionCone MaterialTreated PaperSurround MaterialClothVoice Coil Wire MaterialCopperVoice Coil FormerFiberglassBasket / Frame MaterialCast AluminumMagnet MaterialNeodymiumMounting InformationOverall Outside Diameter5\"Baffle Cutout Diameter4.06\"Depth2.6\"# Mounting Holes4Parts Express Staff Recommended Enclosure VolumeSealed Volume0.06ft³Sealed F3377.3HzVented Volume0.06ft³Vented F3116.2HzManuals & Resources: B&C Speakers 4NDF34-8 SpecificationsB&C Speakers 4NDF34-8 Technical DrawingB&C Speakers Manufacturer Warranty 12018821 848864063362 1.5100lbs 0.00 0.00 0.00

B&C Speakers

76.9900 2025-08-07 8 In Stock B&C 4NDF34 8 4" Professional Neodymium Woofer 8 Ohm

B&C 4NDF34-8 4" Professional Neodymium Woofer 8 Ohm

Brand B&C Speakers

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Product Description

Manufacturer Part Number: 4NDF34-8

The potent 4NDF34 4" driver from B&C Speakers used an extremely powerful neodymium motor to produce high efficiency and excellent output capability for its size. With natural response up to 8,000 Hz and remarkable power handling this driver is a great choice for use as a woofer in compact 2-way systems or as a midrange in high output 3-way designs such as line arrays.

Key Features:

Light but powerful neodymium motor keeps size and weight to a minimum
92 dB efficient with 100 watt RMS power handling for excellent output capability
3.8 mm xmax allows significant displacement from a 4" driver
1.34" copper voice coil on a fiberglass former for high power handling
Waterproof treated paper cone is suitable for use in harsh conditions

Overview:
B&C 4NDF34-8 4" Professional Neodymium Woofer 8 Ohm

B&C's compact 4NDF34 4" driver combined high efficiency and incredible power handling to deliver surprising output capability for its size. Designed for use as a midrange in high output speaker systems, this driver actually has enough displacement capability to also be used in compact subwoofer assisted 2-way designs. The powerful neodymium motor keeps the efficiency high while minimizing size and weight. To handle and impressive 100 watts RMS, the 1.34" copper voice coil is wound on a heat resistant fiberglass former. For use in damp and wet locations the non-resonant paper cone has a waterproof coating on both sides. The flexible 4NDF34 is a unique driver that would suitable for anything from portable Bluetooth speakers to compact 3-way stackable line arrays.

Specification:

Product Details

Brand

B&C Speakers

Model

4NDF34-8

Part Number

294-5938

UPC

848864063362

Unit of Measure

Each

Weight

1.25

Product Specifications

Nominal Diameter

Bolt Circle Diameter

4.53

Power Handling (RMS)

100 Watts

Power Handling (MAX)

200 Watts

Impedance

8Ω

Frequency Response

110 to 8,000Hz

Sensitivity

92dB 2.83V/1m

Voice Coil Diameter

1.34"

Thiele-Small Parameters

Resonant Frequency (Fs)

110Hz

DC Resistance (Re)

5.5Ω

Voice Coil Inductance (Le)

0.23mH

Mechanical Q (Qms)

4.2

Electromagnetic Q (Qes)

0.28

Total Q (Qts)

0.27

Compliance Equivalent Volume (Vas)

0.06ft³

BL Product (BL)

9T·m

Diaphragm Mass Inc. Airload (Mms)

6.1g

Maximum Linear Excursion (Xmax)

3.8mm

Surface Area of Cone (Sd)

57cm²

Materials of Construction

Cone Material

Treated Paper

Surround Material

Cloth

Voice Coil Wire Material

Copper

Voice Coil Former

Fiberglass

Basket / Frame Material

Cast Aluminum

Magnet Material

Neodymium

Mounting Information

Overall Outside Diameter

Baffle Cutout Diameter

4.06"

Depth

2.6"

# Mounting Holes

Parts Express Staff Recommended Enclosure Volume

Sealed Volume

0.06ft³

Sealed F3

377.3Hz

Vented Volume

0.06ft³

Vented F3

116.2Hz

Manuals & Resources:

Attention CA Residents: Prop 65 Warning

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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