Specifications 8” Active Subwoofer Power amplifier 4 channel Output Power @14.4V 4 Ohm 30 W x 4 ch 2 Ohm 40 W x 4 ch 0.6 Ohm Sub 1 x 150 W THD Distortion with 22 k 0.20% REM / DC OFFSET / AUDIO ON/OFF YES Frequency Response AP 20 Hz ~ 20 kHz LP 25 Hz ~ 150 Hz S/N Ratio (A-weight) >85 dB Input Gain Control Low Input Level 125mV-5V Hi Input Level 10 V Input Impedance > 20K Battery Voltage Range for Operating 10V ~ 16 V LED Indictor G/R Protection YES ( Short, The mal, Over current ) Crossover, Bass, Balance Input & Line Out Crossover HP/AP (4CH)+LP Variable Hi-Low Pass HP 50 HZ ~ 250 Hz LP 50 Hz ~ 150 Hz Crossover Slope HP 6 dB / LP 12 dB Subsonic Filter (Slope 24 dB) 24 dB only LP Subsonic Filter Frequency 25 Hz only LP Varable Bas Boost at FULL / LP 0-12 dB Bass Boost Frequency 45 Hz Variable phase 0 / 180 Remote Bass Control YES Over load illuminate N / A Size MM (W x D x H) 353 x 239 x 79 Weight 5.38 Size MM (W x D x H) 353 x 239 x 79อ่านเพิ่มเติม