Audio 2000 AKJ7404 – Professional Karaoke Mixer with Digital Echo, Key and Feedback Controls. Used tested good working order. Top of unit has tiny circle marks and some scuffs. Overall in good looking/working condition. Please see images for more details. Utilizing the Quasi-Parametric Equalization Techniques Qua. Frequency Range: 80 – 7.5K Hz; Gain Boost/Cut Range: ±12 dB. Dual Echo Digital Sound Field Simulation. Master Microphone Volume Control. Three (3) Individual Microphone Volume Controls. Microphone Tone Control Treble/. Master Music Volume Control. Digital Key Controller (± 6 Steps). Microphone Sound Effector Loop. Music Sound Effector Loop. Four Stereo Audio Inputs. (DVD, VCD, AUX, BGM). Four Video Outputs (1 – 4). I make sure the packaging is properly packed and protected to avoid any damages during transit. Thank you for browsing, and have a wonderful day.