Power & 3-Way Sound
Power, with room for every detail.
200W rated output delivers commanding volume, while 300W peak power handles dynamic musical moments. A 3-way acoustic design gives lows, mids, and highs the space to stay powerful, clear, and balanced.
Representative acoustic components are shown independently; installed positions are not illustrated.
PulseBass X
Bass you can feel.
PulseBass X combines a racetrack mid-bass driver, long-excursion voice coil, and dual passive radiators for deeper extension, stronger impact, and tighter low-frequency control.
Dual Wireless Microphones
Two voices. One stage.
Two included wireless microphones make duets, family karaoke, outdoor gatherings, and hosting effortless—just connect and start performing.
Smart App Control · Included Remote Control
Your sound, your way.
Use the Yeahbox app and included remote to adjust sound, lighting, and listening modes for music, gatherings, and vocal performance.
TWS Stereo Pairing
One fills the space. Two open it up.
Pair two Sonic Boom Max K speakers through TWS for a wider stereo soundstage and a more immersive listening experience.
Dynamic RGB Lighting
See the rhythm.
Dynamic RGB lighting moves with the music, adding atmosphere and energy to every gathering and performance.
111Wh Battery · Up to 24 Hours
Keep the moment going.
A substantial 111Wh battery delivers up to 24 hours of playback, keeping the music and performances going from day into night.
Actual battery life varies with volume, audio content, microphone use, lighting mode, connection type, battery condition, and ambient temperature.
IPX6 Water Resistance
Ready when the weather turns.
IPX6 water resistance helps protect against splashes and rain, making Max K ready for backyards, campsites, poolside sessions, and outdoor gatherings.
Bluetooth 5.3 · USB · microSD · AUX
From playlists to performances.
Bluetooth 5.3 delivers a stable wireless connection, while USB, microSD, and AUX give you more ways to listen and perform.
Technical Details
Specifications
Verified specifications for Sonic Boom Max K. Unconfirmed fields remain unpublished.
Performance
- Product Name
- Sonic Boom Max K
- Rated Output
- 200W
- Peak Output
- 300W
- Acoustic System
- 3-Way Sound
- Bass Technology
- PulseBass X
Acoustics
- Mid-Bass Driver
- 44 × 80 mm Racetrack Mid-Bass
- Tweeter
- 31 mm Dome Tweeter
- Passive Radiators
- 2×55 mm
- Frequency Response
- 65Hz–20kHz
Control & Wireless
- Wireless Microphones
- 2
- Remote Control
- 1 Included
- App Control
- Smart App Control
- TWS
- Stereo Pairing
- Bluetooth Version
- Bluetooth 5.3
- Connections
- Bluetooth, USB, microSD, AUX
- RGB Lighting
- Dynamic RGB
Power & Protection
- Water Resistance
- IPX6
- Battery
- 14.8V/7,500mAh, 111Wh
- Cell-Equivalent Capacity
- 30,000mAh at 3.7V
- Playback
- Up to 24 Hours
Customer voice
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