PUI Audio™'s eXtreme Series speakers are purpose-built for superior performance using Klippel-optimized motor designs. Forced-air vented voice coils combine with a high-grade neodymium motor for extreme power handling, extremely flat frequency response, and a surprising amount of bass when used with tuned-port or passive radiator assisted enclosures.
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eXtreme Series Speakers (AS04504PS-X-R)

eXtreme Series 170 Hertz (Hz) Resonant Frequency Speaker
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eXtreme Series Speakers (AS06504PS-X-R)

eXtreme Series 130 Hertz (Hz) Resonant Frequency Speaker
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Description N/A PUI Audio™'s eXtreme Series speakers are purpose-built for superior performance using Klippel-optimized motor designs. Forced-air vented voice coils combine with a high-grade neodymium motor for extreme power handling, extremely flat frequency response, and a surprising amount of bass when used with tuned-port or passive radiator assisted enclosures.
Brands N/A PUI Audio™
Manufacturer N/A PUI Audio�, Inc.
Rated Input Power N/A 10 W
Maximum Input Power N/A 20 W
Impedance N/A 4 Ω
Impedance Tolerance (±) N/A 15 %
Sound Pressure Level (SPL) N/A 86 dB N/A 88 dB
Sound Pressure Level (SPL) Tolerance (±) N/A 3 dB
Testing Condition for Sound Pressure Level (SPL) N/A At 1 W/0.5 m (Average 0.8, 1.0, 1.2, 1.5 kHz)
Resonant Frequency N/A 170 Hz N/A 130 Hz
Resonant Frequency Tolerance (±) N/A 20 %
Frequency Range (-10 dB) N/A 90 ~ 20000 Hz N/A 80 ~ 20000 Hz
Frame Material N/A Stamped Steel
Magnet Material N/A Neodymium (NdFeB)
Weight N/A 63 g N/A 92 g
Ingress Protection Rating N/A Ingress Protection (IP65) N/A Ingress Protection (IP65) with Water Resistance (WR) Coating
Recommended Sealed Enclosure Volume Range1 N/A 0.05 ~ 0.40 L N/A 0.06 ~ 0.60 L
Recommended Vented Enclosure Volume2 N/A 0.40 L N/A 0.60 L
Vent Diameter N/A 20 mm N/A 26 mm
Vent Length N/A 244 mm N/A 350 mm
Tuning Frequency N/A 100 Hz N/A 88 Hz
Acceptable Soldering Methods N/A Hand Solder
Buzz, Rattle, etc. N/A Should not be Audible with 6.32 V Sine Wave from 90 Hz to 20 kHz
Environmental Compliances N/A Registration, Evaluation, Authorization and Restriction of Chemicals (REACH 197) Restriction of Hazardous Substances (RoHS) 2015/863/EU
Polarity N/A Cone Shall Move Forward when a Positive Voltage is Applied to the Positive Terminal
Operating Temperature N/A -25 ~ +60 ºC
High Temperature Test N/A 96 hours at +60°C ± 2°C followed by three hours in normal room temperature
Low Temperature Test N/A 96 hours at -20°C ± 3°C followed by three hours in normal room temperature
Humidity Test N/A 96 hours at +40°C ± 2°C with relative humidity between 90% and 95% followed by 6 hours in normal room temperature
Vibration Test N/A Frequency 30±15 Hz, Amplitude 1.5 mm for 3 Hours. After test, SPL shall not deviate by ±3 dB from pre-test measurement
Drop Test N/A 75 cm free falling on concrete floor, 10 times.
Load Test N/A Speaker should not fail after applying 20 Hz ~ 20 kHz pink noise with HPF rated power input (RMS), 96 hours.
Note for Reliability Testing N/A After each test, SPL shall not deviate by more than ±3 dB from pre-test measurement.
Features N/A
  • Poly-coated paper cone for warm natural sound and improved ruggedness
  • Large voice coil diameter for high power handling
  • Convenient mounting frame for easy integration
  • Venting in the magnetic motor creates forced-air cooling limiting power compression
  • Two-layer copper-clad aluminum wire for great transient response
  • Water and dustproof to IP65
  • Low Qts design for use in ultra-small enclosures without inhibiting performance
 		N/A
  • Paper cone for warm natural sound and improved ruggedness
  • Large voice coil diameter for high power handling
  • Convenient mounting frame for easy integration
  • Venting in the magnetic motor creates forced-air cooling limiting power compression
  • Four-layer copper-clad aluminum wire for great transient response
  • Water resistant with optional PUI Audio WR coating process
  • Low Qts design for use in ultra-small enclosures without inhibiting performance
Note N/A Specifications subject to change or withdrawal without notice.

Recommended speaker baffle opening is 41 mm. Always test-fit prior to closing mechanical design. Please maintain at least 6mm distance between top of frame and next surface. 		N/A Specifications subject to change or withdrawal without notice.

Recommended speaker baffle opening is 53.6 mm. Always test-fit prior to closing mechanical design. Please maintain at least 7 mm distance between top of frame and next surface.
  • 1 (Qtc ≤ 0.707)
  • 2 Recommended enclosure volumes do not include volume displaced by speaker or vent