Piezo Source
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400 W Powerline Series
Piezo Source is the owner and manufacturer of the original Motorola 400 W Powerline Series. Piezo Source manufacturers the Powerline Series to the exacting production, process and material specifications developed by Motorola.
The piezo tweeters and drivers in the Piezo Source original line of Motorola line 400W includes:
  • Screw-on piezo tweeter/driver
  • Powerful 400W RMS
  • Originally designed by Motorola
  • Powerline Series has Built-In Breaker Protection
  • Frequency Response of 1.8-30kHz
  • Impedance: Appears as a .3 uF capacitor
  • Overall Diameter - 2.44"
  • Overall Depth - 2.75"
  • Sensitivity of 92db SPL
  • Standard 1.375" Thread Type
  • Does Not Require A Crossover!
KSN1142A
  • Screw-on piezo tweeter/driver
  • Powerful 400W RMS
  • Originally designed by Motorola
  • Powerline Series has Built-In Breaker Protection
  • Frequency Response of 800kHz - 20kHz
  • Impedance: Appears as a .3 uF capacitor
  • Overall Diameter - 3.75"
  • Overall Depth - 3.0"
  • Sensitivity of 93db SPL
  • Standard 1.375" Thread Type
  • Does Not Require A Crossover!
KSN1188A
  • 3" x 7" Horn Piezo Tweeter
  • Powerful 400W RMS
  • Originally designed by Motorola
  • Powerline Series has Built-In Breaker Protection
  • Frequency Response of 1.8kHz - 30kHz
  • Impedance: Appears as a .3 uF capacitor
  • O.D - 7.35"W x 3.1"H
  • Sensitivity of 92db SPL
  • Cutout - 6.25"W x 2.125"H
  • Does Not Require A Crossover!
KSN1141A
  • 4.25" x 4.25" Horn Tweeter
  • Powerful 400W RMS
  • Originally designed by Motorola
  • Powerline Series has Built-In Breaker Protection
  • Frequency Response of 1.8kHz - 30kHz
  • Impedance: Appears as a .3 uF capacitor
  • Sensitivity of 92db SPL
  • O.D - 4.3"W x 4.3"H x 3.5"D
  • Cutout - 3.5" Diameter
  • Bolt Circles - 5.2" Diameter
  • Does Not Require A Crossover!
KSN1165A
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