Calcell BST-90.4

Calcell BST90.4 แอมป์รถยนต์คลาส AB 4 ch มือสอง สภาพดี ใช้งานได้ปรกติ Specifications Cont. power rating at 4 Ohm per channel.............................4 x 60 W RMS @ 12.6 VDC Frequency response...................................................................10 Hz - 30 kHz, +/- 1 dB Total harmonic distortion (THD)......................................................................< 0.03\% Signal to noise ratio...........................................................................................> 95 dB Input impedance.............................................................................................22 kOhm Input sensitivity........................................................................................200 mV - 9 V Damping Factor....................................................................................> 200 @ 4 ohms *******โครเมี่ยมลอก ใช้งานได้ปกติ เดิมๆ ไม่เคยซ่อม