Engineered for the ultimate sound experience JBL Bass Pro Go is a powered subwoofer designed to easily mount & charge in any vehicle, augmenting the output of full-range speakers at the lowest frequencies, with quick disconnect features to become a portable Bluetooth speaker and keep the party on the go. With convenient and easy to use controls in or out of the vehicle, Bass Pro Go allows you to dial-in your music exactly the way you want to hear it. It also has a convenient safety cover to help protect the speaker when used out of the vehicle and to provide an IPx5 marine rating      General Specifications Max Power, Subwoofer Mode : 200W peak Amplifier Power, Subwoofer Mode : 100Wrms Frequency Response : 40Hz to 20kHz @ -3dB Selectable Lo-Pass Filter, Subwoofer Mode : 80/100/120Hz Bass Boost : 0dB to +6dB @ 45Hz Input Sensitivity, Lo-Level : 400mV to 6V Input Sensitivity, Hi-Level : 1V to 15V Fuse Rating : 15A Bluetooth Version 4.2 : Yes USB 2.0 Charging : 5V (2.1A) Battery Type : NiMH, 10.8V/3000mAH   https://youtu.be/tJMydWC_En8?t=25  

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