Yamaha PSR-740 karaoke sample
Together with 2 independent microphone filters = good karaoke machine.
Yamaha PSR-740 is direct successor of PSR-730.
I'm researching some Yamaha second-hand prices @ Ebay. Take a look if you want to buy/sell one:
http://www.yamahaforums.co.uk/forum/v...
PSR/Tyros repairs:
http://www.jeomax.co.uk