Martin Roland MA-300k Professional Digital Mixing Amplifier (dd) (e33). Unit powers on but is otherwise completely untested. May or may not work. The item “Martin Roland MA-300k Professional Digital Mixing Amplifier (dd) (e33)” is in sale since Thursday, September 16, 2021. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller […]

Martin Roland MA-300k Professional Digital Mixing Amplifier (dd) (a41). Unit powers on but is otherwise completely untested. May or may not work. The item “Martin Roland MA-300k Professional Digital Mixing Amplifier (dd) (a41)” is in sale since Tuesday, February 2, 2021. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller […]