sound clarity: 2.1 channel separation with robust multichannel audio, providing deep stereo layering and refined multiband frequency division for a vivid surround sound effect. Stable audio streaming: stable wireless connection with lowlatency transmission, resistant to interference, enabling seamless playback via wireless 5.0. Powerful bass output: a 100W subwoofer unit and amplifier deliver enhanced lowfrequency dynamics and strong bass for dynamic reproduction. Wide voltage support: robust, energyefficient design supports continuous use in the DC 12–24V range, adapting to voltage fluctuations and reducing overload risk. Use scenarios Invehicle audio upgrade: install in cars, trucks, vans, or RVs to achieve clear sound and strong bass while streaming from mobile devices via wireless 5.0. Reliable operation across standard 12–24V vehicle power. Home theater or desktop setup: pair with a TV or computer to deliver immersive 2.1 channel sound with precise channel separation and engaging bass, while enjoying stable wireless connectivity for sources supporting Bluetooth 5.0. Outdoor, marine, or workshop applications: suitable for environments powered by DC 12–24V, offering consistent performance and protection against voltage fluctuations in boats, workshops, or portable entertainment rigs.