EC500
Specification:
Crossover frequency   
Mid    FLAT, 80, 120, 180,220 , 260Hz, 2.4k, 3.5k 5kHz
High   2.4k, 3.5k, 5k, 7kHz
Sub   50, 80, 120, 180,220 , 260Hz
Gain                 0dB + 6db(Sub-woofer) 
Inputs level            7-10Vp-p
Output level           7-10Vp-p
Harmonic distortion     less than 0.03%
Signal-to-noise ratio     more than 105dB
Cross talk              more than 80Db
Frequency response     3Hz to 100kHz (+0/-3db)
Crossover slope        -12db/oct -18db/oct (Sub-woofer)
Mid cut               -10db to 0db (180Hz)  , Q = 1, 3, 6
Bass boost             0 to +10db (40Hz)
General
Inputs                 Remote control input
Power input Line input (phono jack 6)
Outputs Line outputs (phono jack 10)
Power requirements      12V DC car battery (negative ground)
Current drain            260mA