F-500 Features: ※Double 9-band equalizer. ※4 channel microphone input and adjust was unattached, thereinto two channel can be connected the ※Grade utput jacks, can be graded for you singing. ※Recorder output jacks,you can record the music. ※Electronically balanced output accepts a standard XLR female connector can be connected with a amplifier. 2 channel signal input. ※The machine will be connected the equalizer. ※This unit employs speakers protector form circuitry for protect from voltage and current was over loading, protect your amplifier from overload and short ※The machine will be connected the main track speaker and the assistant track speaker. ※Using big audio power ipe with America,big temperature control fan and barrel radiator,and the big output power was connected stage sound box.

Features: ※Input mode: balanced input & unbalanced input; working mode; stereo, mono, bridge. ※Adopt relay delay circuit to carry out the soft start-up character, protect the loudspeaker from the shock of starting equipment. ※Every model has the perfect protection in delay,overloading, over heat. ※Adopt high-quality & long-life 40-step rotary potentiometer accurately control the output power. ※Adopt high capacity filtering condenser. ※Adopt low-noise fan to fall off heat in close quarter. ※Adopt high-quality audio high power efferent.

Features: ※Input mode: balanced input & unbalanced input; working mode; stereo, mono, bridge. ※Adopt relay delay circuit to carry out the soft start-up character, protect the loudspeaker from the shock of starting equipment. ※Every model has the perfect protection in delay,overloading, over heat. ※Adopt high-quality & long-life 40-step rotary potentiometer accurately control the output power. ※Adopt high capacity filtering condenser. ※Adopt low-noise fan to fall off heat in close quarter. ※Adopt high-quality audio high power efferent.

Features: ※Input mode: balanced input & unbalanced input; working mode; stereo, mono, bridge. ※Adopt relay delay circuit to carry out the soft start-up character, protect the loudspeaker from the shock of starting equipment. ※Every model has the perfect protection in delay,overloading, over heat. ※Adopt high-quality & long-life 40-step rotary potentiometer accurately control the output power. ※Adopt high capacity filtering condenser. ※Adopt low-noise fan to fall off heat in close quarter. ※Adopt high-quality audio high power efferent.

Features: ※Input mode: balanced input & unbalanced input; working mode; stereo, mono, bridge. ※Adopt relay delay circuit to carry out the soft start-up character, protect the loudspeaker from the shock of starting equipment. ※Every model has the perfect protection in delay,overloading, over heat. ※Adopt high-quality & long-life 40-step rotary potentiometer accurately control the output power. ※Adopt high capacity filtering condenser. ※Adopt low-noise fan to fall off heat in close quarter. ※Adopt high-quality audio high power efferent.