Yamaha HS5MP pigtronix The Keyboard can be powered

The Keyboard can be powered from normal Euro power or an external 9-15 volt positive tip DC supply

100% discrete Class-A buffer

connecting wires to and from the board is done using a spring action connector

Mac OS X: 10

Combine that with a lightweight housing that's built like a tank

Yamaha HS5MP pigtronix The Keyboard can be poweredYamaha HS5 MP Powered Studio Monitors 50th Anniversary Special Edition Matched Pair, Black Features: 2 way bass reflex bi amplified nearfield studio monitor with 5" cone woofer and 1" dome tweeter 54Hz 30kHz ( 10dB), 74Hz 24kHz ( 3dB) frequency response 45W LF plus 25W HF bi amp system for high performance 70W power amplification ROOM CONTROL and HIGH TRIM response controls XLR and TRS phone jack inputs accept balanced or unbalanced signals