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Review on CQRobot 3W 4Ω Speaker with Arduino Motherboard Compatibility, 2.54mm Dupont Interface – Ideal for a Range of Compact Electronic Projects by Tom Duncan

Revainrating 4 out of 5

Not the worst, but not the best

For $8 (and two speakers) it's not that bad, just don't expect godlike quality from them, just be aware of how much you're paying for those two speakers. If you understand this, these columns will not cause you any problems. They are very easy to use, just connect them to your amp and you're done.

Pros
  • single board computer
Cons
  • unreliable