DOSS
DOSS Extreme Boom Pro D300 (Waterproof Party Speaker)
Last updated September 11, 2026
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An 80W outdoor party speaker with IPX6 waterproofing, Bluetooth 5.4 and up to 24 hours of playtime — the mid-tier of the Extreme Boom Pro line.
Best for
Anyone who wants loud, waterproof outdoor sound without stepping up to the flagship party speaker.
Overview
The DOSS Extreme Boom Pro D300 is an outdoor/party Bluetooth speaker with 80W of output, IPX6 waterproofing and Bluetooth 5.4 for a stable connection. It rates up to 24 hours of playtime per charge and reaches roughly 33 feet of wireless range. It sits below the flagship D200 as a more compact, lower-cost high-output option.
The good
- 80W output for outdoor volume
- IPX6 waterproofing
- Bluetooth 5.4 for a stable connection
- Up to 24 hours of playtime
Specifications
- Output
- 80W
- Water resistance
- IPX6
- Connectivity
- Bluetooth 5.4
- Playtime
- Up to 24 hours
- Wireless range
- Up to ~33ft (10m)
FAQs
Is the D300 waterproof?
Yes — it has an IPX6 rating, so it withstands powerful water jets and is suited to poolside and rainy outdoor use.
How does it compare with the D200?
The D300 is the more compact, lower-cost option in the Extreme Boom Pro line; the D200 is the larger flagship with higher output and longer range.
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