SAVE OVER $50: As of April 13, the Sony ULT Field 7 has dropped to $448 at Amazon. That's $51.99 off its list price of $499.99.

Spring is a great time to start venturing outside. Whether you enjoy going camping or just hosting people in your backyard, a portable speaker can help make the festivities feel even more fun. If you've been thinking about buying one, quite a few are on sale right now. And that includes the Sony ULT Field 7 at Amazon, which we consider the best boombox on our list of the best portable speakers.

As of April 13, the Sony ULT Field 7 has dropped from $499.99 to $448 at Amazon, allowing you to save $51.99 overall. It's an offer that may not be live for long, given it's currently marked as a limited-time deal at the retailer. So if you've had your eye on this speaker, now is a great time to make a move.

If you want a portable speaker that boasts big sound, the Sony ULT Field 7 can deliver. There's a reason it earned the spot of the best boombox on our list of the best portable speakers: "The ULT Field 7 fills any room with loud, engaging sound when set to 70 percent volume; bass will wallop your eardrums if experienced in proximity at the highest volume." Plus, its "boombox aesthetic exudes old-school swagger."

On top of that, it offers up to 30 hours of battery life, so it has plenty of juice to keep the party going all day and into the night. It can handle a variety of outdoor adventures too, with an IP67 waterproof, rustproof, and dustproof build.

This deal on the Sony ULT Field 7 may not last long. Act fast to save at Amazon.