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The TREBLAB HD-Max is a large loud Bluetooth speaker with bass and features a four-speaker design. The 50W speakers and 3 sound modes can function indoors and outdoors. This wireless speaker is built tough and can stand up to anything, thanks to its superior build materials. It comes with a power bank with pass-through charging and a USB-C connector. Use the 20H playtime and quick charge-time to always stay connected. Pair it with one additional speaker to give you a strong connection and surround sound quality. Its IPX6 waterproof rating enables it to withstand anything from the beach to the pool. you can even put it in the bathroom while you are in the shower.

4.6/5 stars on Amazon:★ ★ ★ ★

  • Big stereo sound quality: Featires 50W speaker & 4-speaker design
  • 3 sound modes: Deliver high-quality, deep bass sound
  • Long-lasting battery: Enjoy up to 5 hours of music on 100% volume & up to 20 hours on 30% volume
  • Powerbank: Stay connected all the time; compatible with all USB devices
  • 33 ft connectivity: Provides ultimate mobility
  • TWS technology: Pair with 1 more HD-Max speaker for increased volume & surround sound
  • IPX6 warerproof rating: Can resist water & moisture of any kind.

IMPORTANT: You will get an updated version of speaker HD-Max with Bluetooth 5.0, better microphone, and improved battery consumption. The only important thing to keep in mind is that new Bluetooth 5.0 speakers will not be able to pair with old ones with Bluetooth 4.2 in the TWS mode. If you have an older version speaker youd like to connect with this new one, please contact our Support Team.


  • Color: black
  • Materials: plastic, rubber, metal parts, fabric
  • Dimensions: 4.8"H x 12.4"L x 4.8"W
  • Signal Range: 33 feet (10 m)
  • Playtime
    • 30% volume: up to 20 hours
    • 100% volume: up to 5 hours
  • Charging time: up to 5 hours
  • Phone calls: Built-in mic
  • Output power: 50W
  • Dynamics quantity: 4
  • Water resistance: IPX6
  • Sound modes
    • Indoor
    • Outdoor
    • Base boost
  • Features: powerbank
  • Bluetooth: 5.0
  • Incredible sound quality
  • Wireless
  • Manufacturer's 1-year warranty


  • 3.5mm AUX Cable
  • Carrying Strap
  • Bottle Opener
  • USB/Type-C Charging Cable
  • TREBLAB HD Max User Manual
  • Insert Card


  • Ships to US
  • Expected Delivery: May 21 - May 23


  • Returns accepted within 30 days of shipment for orders within the Contiguous US.