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Rockford Fosgate® Punch Pro 1" 4-Ohm Neodymium Tweeter-PP4-NT

Model #: PP4-NT
Rockford Fosgate
At a Glance

The PP4-NT is a Punch Pro 1" neodymium 4-ohm tweeter designed for SPL systems. Its smaller size allows for use in compact areas while still producing very loud output.

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Get to know this product.

The PP4-NT Punch Pro is a 1" tweeter with integral 6dB high Pass crossover engineered for high SPL (Sound Pressure Level) conditions. The neodymium motor structure and high power diaphragm, combined with a billet machined aluminum phase plug create the foundation for a highly sensitive speaker that can handle plenty of power. You'll be proud, because these things are loud! Package includes mounting hardware.

  • High efficiency horn tweeter
  • Aluminum diaphragm
  • Aluminum phase plug
  • High temp Nomex former voice coil
  • Die cast aluminum frame
  • All Metal Input Spring Terminal Connection
  • Neodymium motor structure
  • Built-in 6dB/Octave crossover
  • Removable mounting flange
  • Mounting hardware included
  • PP4-X and PP8-X crossover compatible
  • Sold as individual units (not in pairs)
  • 1 Year Warranty

Klippel Verified

Klippel is a speaker certification program allowing us to deliver the best possible speakers.


Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

Useful Documents


Voice Coil Diameter (in/mm)1" (25 mm)
Speaker TypeTweeter
Tweeter Size (Nominal Diameter)1"
Tweeter Mounting Depth2.57" (65.8 mm)
Crossover4kHz @ 6dB/Octave
Sensitivity (dB @ 1W/1M)105
Mounting HardwareYes
Power Handling (RMS)50 Watts RMS, 100 Watts Max
Tweeter Mounting DiameterLarge Trim Ring: 2.52" (64 mm), Small Trim Ring: 1.79" (45.5 mm)
Nominal Impedance (Ohms)4-Ohm
Frequency Response (Hz)4kHz - 20kHz
Sensitivity (dB @ 1W/1M)105
CEA-2031 CompliantCEA-2031 Guidelines

Misc. Specs

Impedance4 Ohms
Manufacturer Warranty1 Year
Mounting Hardware IncludedYes
Rms Power Handling50
Water ResistantNo
Peak Power Rating (Watts)100
Shallow MountNo
WarningProposition 65 Warning for California Residents