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Monster S320 Bluetooth Speaker True Wireless 360°
Prime eligibleMonster

Monster S320 Bluetooth Speaker True Wireless 360°

4.3· 1,790 reviews
$39.9933% OFF

Usually $59.99

Price checked today at 17:10 CT

Deal ends in 6d 21h

Forget constantly searching for a charger; this speaker keeps the music going for up to 32 hours.

Verified by Agora · Price and availability shown are accurate as of the date/time indicated and are subject to change. Any price information displayed at the time of purchase on Amazon will apply. As an Amazon Associate, Agora earns from qualifying purchases.

Today's verdict
Good value today

Meaningful discount versus recent typical price.

Deal confidence

What we've verified about this price

Current
$39.99
Typical
$59.99
90-day low
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Deal status
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Price-tracked daily by AgoraPrice checked today at 17:10 CT
Agora's take

Our read on this product

This speaker is built for the long haul, offering a marathon 32 hours of playtime on a single charge. That means you can take it on a weekend camping trip or a full day at the beach without worrying about finding an outlet. Its IPX7 waterproof rating also means it can handle splashes, rain, and even a full submersion, making it a worry-free companion for any outdoor adventure or even poolside lounging.

Beyond its impressive battery and durability, the S320 delivers a powerful 40W stereo sound with a 360-degree effect. This creates an immersive listening experience, filling your space with rich bass, clear mids, and crisp highs, whether you're at home or exploring the outdoors. The ability to pair two speakers for an 80W stereo setup offers an even more robust soundstage for larger gatherings.

Why this one

What makes it stand out

  • Offers a 32-hour playtime, significantly longer than many portable speakers that typically last 10-15 hours.
  • Features an IPX7 waterproof rating, making it suitable for use in wet environments where many other speakers would be damaged.
  • Delivers 40W stereo sound with a 360-degree effect, providing a more immersive audio experience than basic single-driver speakers.
  • Supports True Wireless Stereo pairing to create an 80W stereo sound experience, unlike speakers that only offer mono output.
Think twice if...

When this isn't the right fit

  • If your primary need is a speaker for critical home listening, more specialized audio equipment might offer finer sound reproduction.
  • Those seeking the absolute smallest, most pocketable speaker may find this model a bit substantial.
What owners notice

Real-world notes

  • The 32-hour battery life means you can genuinely use this for multiple days without needing to recharge.
  • It can survive being dropped in water, making poolside or beach use much less nerve-wracking.
  • The 40W stereo output provides surprisingly full sound for its size, especially outdoors.
Bottom line

Consider this speaker if you prioritize extended battery life and rugged, waterproof performance for outdoor use.

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$39.9933% OFF
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