TREBLAB HD-Max Big and Loud Portable Speaker

The TREBLAB HD-Max is a big, loud portable Bluetooth speaker built for people who want their music to dominate a space. 50W of total output from dual drivers and passive radiators delivers deep, room-shaking bass and clear highs that fill a backyard, garage, or tailgate without breaking a sweat. A built-in 12,000mAh power bank charges your phone on the go, and IPX6 waterproofing means you do not have to worry about rain, splashes, or spilled drinks.

Twenty hours of continuous playtime keeps the music going through a full-day event, and TWS stereo pairing links two HD-Max units for an even more massive soundstage. Bluetooth 5.0 connects to your phone up to 10 meters away, and the built-in speakerphone handles hands-free calls when you need them. Four multifunction buttons provide fast control over power, volume, track selection, calls, and sound mode switching.

The HD-Max weighs 2,550 grams — substantial enough to deliver real bass authority, portable enough to carry with the included strap. The 80Hz-16kHz frequency response is optimized for impactful outdoor sound, and the dual passive radiators extend low-end reach well below what single-driver portables can achieve. USB-C charging fills the battery in about 5 hours, and the power bank feature ensures your phone stays alive as long as the speaker does.

For pool parties, camping trips, tailgates, and anyone who believes louder is better, the TREBLAB HD-Max delivers speaker-system power in a portable, waterproof package. Big sound, built to travel.