Blackspider MFN425SE – 4″ Trade Speaker (20 W, 4 Ω)

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Blackspider MFN425SE – 4″ Trade Speaker (20 W, 4 Ω)

R95.00

4-inch trade speaker by Blackspider delivering 20 W of power at 4 Ω. Ideal for custom audio installs and compact speaker applications.

SKU MFN425SE Category Brand:

The Blackspider MFN425SE is a compact 4″ trade speaker suited for custom car audio installs. With a nominal impedance of 4 Ω and rated for 20 W, it works well in tight spaces or as fill/auxiliary speakers.

As a “loose” trade speaker (i.e. no mounting grill included), it lets installers choose their own enclosure or mesh cover. Blackspider positions it as a budget-friendly, versatile solution in their trade line.

  • Compact 4″ diameter for tight-fit applications
  • Rated 20 W power handling at 4 Ω
  • Loose speaker (no grill) allows custom mounting solutions
  • Suitable for installations where space is limited or for supplementary/fill use
  • Blackspider trade-line quality at entry-level pricing
  • Power should not exceed rated limits (20 W) to avoid damage
  • Ensure polarity is correct to avoid phase issues
  • Mounting surfaces should be rigid and free of vibration
  • Do not expose to moisture or direct water spray
  • Avoid heat sources or metal contact with magnet structure

This speaker is “universal” in nature — usable in custom car, motorcycle, or marine (dry) applications where a 4″ speaker is required. Verify mounting dimensions, depth, and required sound pressure before fitment.

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