Dual drivers and low-frequency radiator provide crystal clear stereo sound and rich powerful bass. No distortion, no noise and no delay. The maximum sound can be up to 20 watts (Dual 10 watts), loud enough to cover a big room. In TWS mode, two speakers can even provide total 40 watts super big sound. In Bluetooth mode, TWS (True Wireless Stereo) function can pair any two Zoweetek speakers (ZW-BSP04) via Bluetooth, then dual-channels stereo audio can be played in sync on both speakers. One speaker plays left-channel sound and another one plays right-channel sound. Shockproof, dust-proof and IPX5 waterproof. Water splash, rain, dust and impact won't effect this speaker. Equipped with a hand rope, this speaker is portable. You can take it to beach, pool, forest and etc..

Enjoy rich, clean, full-range sound for movies, TV and music with Polk's New dynamic balance acoustic Array. Recommended Amplifier Power Per Channel 20 watts - 300 watts (1) 1" high-resolution terylene tweeter for crystal clear high frequency response that perfectly reproduces the latest high resolution Audio files (3) 6.5" low distortion mica-reinforced polypropylene cones with four-layer voice coils for clean, clear bass, better linearity, and increased dynamic mid-range