Sony XS-MP1621 6-1/2" 2-way marine speakers (White) slim subwoofer Dynamic Power Output (1% THD+N):

Dynamic Power Output (1% THD+N): 74 W x 4 at 1 kHz plus 233 W x 1 at 50 Hz @ 4 ohms

plays USB devices loaded with audio/video files (see Details for more info)

Class H amp technology

inputs: front panel auxiliary and USB inputs

Alpine's Next Generation S-Series S2-A120M mono subwoofer amplifier makes it a lot easier to get great bass in your ride

Sony XS-MP1621 6-1/2" 2-way marine speakers (White) slim subwoofer Dynamic Power Output (1% THD+N):Product highlights: white 2 way 6 1 2" marine speakers (pair) UV , salt , and water resistant polypropylene woofer with rubber surround poly cone tweeter handles up to 70 watts RMS (160 watts peak power) frequency response: 35 26,000 Hz sensitivity: 91 dB cutout diameter: 4. 914 frame diameter: 6. 512 mounting depth: 2. 377 warranty: 1 year