SAVE $131.99 : As of Aug. 27, the Sony ULT Field 5 Bluetooth speaker is on sale for only $198 at Amazon. That's a savings of 40% and its best price on record.

Looking for a rugged and powerful speaker that won't cost you an arm and a leg? Sony's bass-heavy ULT Field 5 is under $200 for only the second time ever.

As of Aug. 27, the Sony ULT Field 5 is on sale for just $198 at Amazon, down from the usual $329.99. That's a savings of 40% or $131.99, which matches its best-ever price on record from Prime Day . Considering the speaker has only been on shelves for four months, that's a pretty outrageous discount.

The ULT Field 5 is a totally waterproof, dust-proof, and rust-proof Bluetooth speaker with an IP67 certification. It can stand vertically or lay horizontally to pump out s

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