Planning to buy a portable keyboard of range between 200$ to 300$. I googled for some a while and found Yamaha PSR-E403 in Yamaha’s official website. This device comes with features such as 155 styles, 32-note polyphony and 504 voices and comes with 61 keys. It also have pro features like Pitch Bend Wheel for authentic playing of guitar and horn sounds, Control Knobs that allow you to have real time control over filters, effects, EQ, tempo and an arpeggio function for techno and synthesizer keyboard playing that can automatically add the playing of notes in rapid succession in ascending and descending fashion.

You can connect this keyboard with your personal computer using USB and you can add more sounds and songs in your internal flash memory. Plus you can even play your songs into the computer or edit them if necessary. PSR-E403 also has 6-track sequencer to record your own music. Sound quality is also good enough with 2-way stereo speaker system, Bass Boost System, Digital Signal Processing (DSP) and Advanced Wave Memory (AWM).

It has lots of other great features like Music Finder, One Touch Setting (OTS), Registration Memory, Performance Assistant Technology, etc. You can easily compose your own songs and give them different digital effects. It has dual and split modes feature also. With dual mode you can layer two voices together - example piano and strings. Or you can use split mode to split the keyboard in two and play bass with the left hand and piano with the right hand for example. Now you can get this portable keyboard for around 200$. You can check out it’s features and specifications here.