GPS Tracking and Monitoring Hardware


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COAXIAL
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BASIC FEATURES
  Portman's speaker includes vast variety of choice,from custom made,deluxe speakers,standard to economical,Car speakers available in almost every size,engineers are involved in finding better materials paper cone ,pp cone ,aluminum cone, ASV,NSV and KSV voice coil to achieve maximum performance.
   Portman can always meet with your requirements and satisfy your need for car audio.
TM 90-1T 3 1/2" TM 103 -2 4" TM 130-3T 5" TM 165-1 6 1/2"
TM100-4T TM130-5T TMT130-10T TM130-3T TM130-4T TM90-1T
VOICE COIL 4次 4次 4次 4次 4次 4
LOWEST RESONANCE FREQUENCEY 1300Hz 115Hz 115Hz 115Hz 115Hz 200Hz
EFFECTIVE FREQUENCEY RANGE for-12KHz for-12KHz for-12KHz for-12KHz for-11KHz for-18KHz
SENSITIVITY(1M) 90db 95db 92db 95db 92db 90db
MAXIMUM INPUT 620W 10W 30W 20W 20W 30W
PROFILE DIMENSION 4" 5" 5" 5" 5" 3-1/2"
TM100-5T TM165-1 TM103-2 TM103-1 TM130-1
VOICE COIL 4次 4次 4次 4次 4次
LOWEST RESONANCE FREQUENCEY 110Hz 100Hz 110Hz 110Hz 110Hz
EFFECTIVE FREQUENCEY RANGE for-17KHz for-10KHz for-15KHz for-15KHz for-13KHz
SENSITIVITY(1M) 90db 95db 90db 90db 90db
MAXIMUM INPUT 60W 35W 25W 30W 25W
PROFILE DIMENSION 4" 4" 6-1/2" 4" 5"
OEM Maufacturer of GPS Tracking Hardware