BEYMA | Full-range driver

Beyma 4FR40 Full-range Woofer

Name: Beyma 4FR40 mélysugárzó | HQ AudioParts
Brand: Beyma
SKU: 4FR40
Price: 12490.00 HUF
Availability: InStock

SKU: 4FR40

101.6 mm 8 Ω

Achieve clear, full-range sound in compact speaker designs with this versatile broadband driver. It delivers an 87 dB SPL sensitivity and a total Q factor of 0.88 for balanced performance. The woofer has a 101.6 mm nominal diameter and a 3 mm maximum linear excursion.

12 490 Ft

(9 835 Ft + VAT)

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Külső raktár 2. 10+ pcs Aug 6.

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Technical data

Nominal diameter	101.6 mm
Impedance	8 Ω
Sensitivity (SPL at 1 m / 2.83 V)	87 dB
Continuous program performance	80 W
Resonance frequency (Fs)	92 Hz

Maximum linear deflection (Xmax)	3 mm
Total Q (Qts)	0.88
Electromagnetic Q (Qes)	0.96
DC resistance (Re)	6.4 Ω
Voice coil inductance (L_e)	0.2 mH
BL product (BL)	4.2 T·m
The surface area of the cone (Sd)	0.01 cm²
Equivalent volume (Iron)	2.8 l
Mechanical compliance of the suspension (Cms)	0.668 mm/N
Drive mechanical losses (RMS)	0.23 kg/s
Volume of displacement (Vd)	11 cm³
Woofer type	DS2 Audio DAC
Voice coil diameter	20.3 mm
Magnetic material	Ceramics
Dimensions (mm)	118.2 mm
Screw head diameter	108.2 mm
Diameter of the baffle cutout	92 mm
# Mounting holes	4
Diameter of the access opening	4.5 mm
Depth	60 mm

The Beyma 4FR40 Full-range Woofer is a meticulously engineered broadband driver that delivers clear, coherent sound across the entire frequency spectrum, making it an ideal choice for compact speaker designs where space is at a premium. This versatile unit excels in a variety of applications, from high-fidelity home audio systems and studio monitors to custom car audio installations and portable PA enclosures. Its full-range capability eliminates the need for a separate tweeter in many designs, simplifying crossover networks and ensuring seamless sound reproduction.

Technically, the 4FR40 boasts an 87 dB SPL sensitivity (1m/2.83V) and a total Q factor (Qts) of 0.88, offering a balanced blend of efficiency and controlled bass response. The 101.6 mm nominal diameter driver features a 3 mm maximum linear excursion (Xmax) and a displacement volume (Vd) of 11, providing solid low-end output for its size. With a DC resistance (Re) of 6.4 ohms and a voice coil inductance (Le) of just 0.2 mH, it maintains excellent transient response. The electromagnetic Q (Qes) is 0.96, while mechanical losses (Rms) are 0.23, contributing to its smooth performance. Installation is straightforward thanks to a 92 mm cut-out diameter, a 108.2 mm bolt circle, and four mounting holes, all within a shallow 60 mm depth. Whether for a bespoke bookshelf speaker or a refined automotive upgrade, the Beyma 4FR40 delivers reliable, full-range audio with impressive clarity.