... 50KHz: +0/-3dB Frequency Naphon's power amplifier, professional amplifier, audio power amplifier, stereo power amplifier, pa amplifier are sold very ... /bridge/mono2.Cooling Mode: 2-Speed Fan3.Indicators: Power/Signal/Clip4.Load Protection: DC Safeguard/Output Overloading/Startup ... Standard XLR and 1/4" TRS sockets6.Adopt bulky power supply, effectively reduce the intermodulation distortion and noise. ...