A600 4-Channel Car Amp. Rated Power Output(4Ohms,RMS):4x50W(4 channels) -2x50w+1x150w(3 channels) -2x150w(bridge mode) *Rated Power Output(2Ohms,RMS):-4x100w(4 channels) -2x100w+1x210w(3 channels) -2x210w(bridge mode) *MOSFET DC-DC Power System (Pwm)*Negative Feedback (Class A) Amplifier Circuit *Circuit Board Made of Epoxy-glassfibre *Gold-plate RCA Input Sockets and Speaker Terminals *Switchable HP/LP Filters *Easily Adjusted Electrical Level After Installation(0.1-8v) *Intelligent Fan Cooling System *Electric Capacity Specially For Audio Frequency *Electric Protection Circuitry Against Short Circuit,DC-offset and Thermal Overload. *Cement non-Inductive Resistor *The Latest Power Tube TRAITR of Japanese SanKen Company.