Hi you can try out Casio for entry range. Otherwise you can consider Priva or Yamaha but I tend to find Yamaha expensive unless there is promotion You can check out these places for keyboards City Music at Peace Center Luthermusic.com Swee Lee at Sim Ave Sinamex at Peace Center basement Best Denki for promotions (staff may not be as knowledgeable about the products though) Go for those with 88 keys If you don't mind there are many Carousell sellers selling their second hand keyboard. You can check it out too You should test it out by playing it or at least ask the salesperson to play it. Don't depend on paper specification.
You can check out Yamaha or Casio. They both carry quite a wide range of keyboards. Look for portable keyboard as they are for beginners. As for myself, I bought the yamaha PSR-E353 for my son :) http://asia.yamaha.com/en/products/musical-instruments/keyboards/digitalkeyboards/portable_keyboards/?mode=series#tab=product_lineup http://www.casio.com/products/Digital_Pianos_%26_Keyboards/Portable_Keyboards/
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