Casio CTK2550 vs RockJam 61-Key - Keyboards

Product
Name Casio CTK2550 RockJam 61-Key Electronic Keyboard
Date first listed on Amazon August 14, 2017 January 5, 2016
Best Sellers Rank #483 in Musical Instruments (See Top 100 in Musical Instruments) #10 in Portable & Arranger Keyboards #123 in Musical Instruments (See Top 100 in Musical Instruments) #2 in Portable & Arranger Keyboards
Item model number CTK-2550 PPK RJ561
ASIN B074VG51CK B01AJJIQQQ
Shipping Weight 20 pounds (View shipping rates and policies) 26.6 pounds (View shipping rates and policies)
Package Dimensions 44.1 x 14.2 x 8.8 inches -
Item Weight 20 pounds 19.84 pounds
Product Dimensions - 35.4 x 9.8 x 5.9 inches