$160 · Casio CT 670

Has MIDI In, through and out Shows no signs of abuse, It has a Fresh selection of inspiring songs and accompany rhythms. New pad and lead synth sounds. The lit display shows all the usual functions clearly. It comes with batteries and the 9.5 volt Casio power adapters are sold at larger music stores like Long and McQuade. ( this model has a "negative center pin'' diagram/symbol printed on the adapter, check when buying, ask vendor if not sure. Unit is very light to carry, could use proper bag for rainy day camping, best one has shoulder straps. Find all specs, PDF instruction booklet and demo videos on line