Power Amplifier 4 Channel 24 V Intersys ISP-4300.24 Output Power Rating : @ 4 Ohms : 50W x 4 @ 2 Ohms : 100W x 4 Bridged @4 Ohms : 200W x 2 Frequecy Response : 10 Hz - 50 Khz Input Sensitiviy : 0.2 - 0.4 Volts Signal To Noise Ratio : >90 dB THD Noise : < 0.05% Low Pass Cross Frequency : 50 Hz - 250 Hz High Pass Cross Frequency : 50 Hz - 3 kHz Bass EQ : 0 dB-6/12dB @ 45 Hz Speaker Impedance : 2 - 16 Ohms Fuse Size : 20 A x 2 Dimension ( L x W x H ) mm : 320 x 55 x 245