Casio SA-46-Key Portable Keyboard vs Hamzer 61-Key Digital Music Piano Keyboard - Portable Electronic Musical Instrument - with Microphone and Sticker Sheet

We couldn't find enough data on either option to be able to come to any reliable conclusions. We strongly suggest that you look at some alternatives that also cost around $80.

The Casio SA-46-Key Portable Keyboard hasn't managed to perform well enough to earn a place in any Electronic Keyboard roundups conducted by sources that do their own, high-quality, hands-on testing. That alone makes it a hard product to recommend.

As for the Hamzer 61-Key Digital Music Piano Keyboard - Portable Electronic Musical Instrument - with Microphone and Sticker Sheet - it wasn't considered to be a good enough purchase to earn a spot in any roundups conducted by sources that perform objective hands-on testing, which typically indicates that a product isn't worth its asking price.

As a last step, we wanted to do a head-to-head Casio SA-46-Key Portable Keyboard vs. Hamzer 61-Key Digital Music Piano Keyboard - Portable Electronic Musical Instrument - with Microphone and Sticker Sheet comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.