The new Nissindo MA-928 is the second built for the previous model MA-928. The previous model has a silver casing with four AV inputs auto select only designed for KTV. This second generation with black panel has all the basic functions of the previous model with added features e. Auto and manual select by remote control, 600watts total power output. This machine is veryreliable with 6 years of great service. Maximum output (1KHz, 8 Ohm) 300W+300W. 300W + 300W (8ohms). Total Harmonic Distortion: 0.05%. Input Jacks (Sensitivity/Impedance): 4.5mV/3.5K Ohm. Frequency Responses: Mic: 40Hz to 15kHz, +8/-3dB, Music: 20Hz to 20KHz, +8/-3dB. Tone Control Characteristics: Music: Bass, Treble, Microphone: Bass, Treble. Key Control Range: 9 steps, +2-1/2 tones. Supply Voltage: AC 110V-120V or 220V-240V, 50Hz/60Hz. AC Power outlets: SWITCHED (600 W max): 2. Dimension:17 x 15 x 5.5 (in). The item “Nissindo stereo mixing amplifier model ma -928″ is in sale since Thursday, April 4, 2019. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller is “elrohasmuscater” and is located in Sunnyvale, California. This item can be shipped to United States.