MAMMOTH 312

Name: MAMMOTH 312
Brand: Dolphin
SKU: XL-312
Price: 255.36 USD
Availability: InStock
Rating: 5.0 (5 reviews)

$255.36 ~~$399~~ In stock

Category: Party Speakers

The Dolphin MAMMOTH 312 is a dynamic triple 12" event speaker equipped with WaveSync™ technology and sound-activated LED lights featuring 13 modes. It offers X-Bass control for powerful bass enhancement and includes a versatile three-channel sound board with options for Bluetooth, USB, SD, FM, and AUX. Additionally, it has dedicated microphone and guitar jacks with detailed sound adjustments.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Lucy B. ★★★★★ Sep 14, 2026

The X-Bass dial actually does something — I turned it up at our block party and the bass was thumping without any distortion. The sound-activated LEDs have 13 modes and everyone kept picking their favorite. Honestly didn't expect this much punch from one speaker.

Daniel T. ★★★★★ Sep 13, 2026

Took it to my cousin's backyard birthday and the triple 12s filled the whole yard without distorting. The sound-activated lights synced to the beat across all 13 modes, which the kids went absolutely nuts over. Genuinely surprised how loud this gets for the price.

Violet E. ★★★★★ Sep 12, 2026

The X-Bass control on this thing is no joke, I turned it up for a birthday party and the whole garage was shaking. The LED lights syncing to the beat kept everyone on the dance floor way longer than planned.