Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap - Off White single din Subwoofer output uses a built-in

Subwoofer output uses a built-in 18dB per octave electronic rossover fixed at 60Hz or 120Hz

No guessing: Built in brush head Replacement reminder lets you know when to replace your brush head

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Computer Optimized Electronic Crossover Network filters out Highs and Mids

(2) 12" Pro Audio Woofer

Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap - Off White single din Subwoofer output uses a built-inBrand Sony Frequency Response 2. 4 GHz Connectivity Technology Bluetooth Audio Output Mode Mono Mounting Type Floor Standing Model Name ULT FIELD 1 BASS BOOSTING: Portable bluetooth speakers like the Sony ULT Field 1 Wireless Ultra Portable Bluetooth Compact Speaker, allow you to unleash the power of deep, resonant bass with the ULT button. This small bluetooth speaker brings your music to life with its bass boosting capabilities, making it a unique