Infinity Reference 103W Subwoofers Infinity A powerful neodymium magnet and

A powerful neodymium magnet and 4" voice coil allow for up to 600W RMS of output

Treated fabric dome neo-tweeter with integral suspension

If you have another compatible ECHOMAP Ultra 2 or ECHOMAP UHD2 chartplotter on your boat

Forced Air Cooling™

OFC wire and foil shielding for superior bass response and signal clarity

Infinity Reference 103W Subwoofers Infinity A powerful neodymium magnet andInfinity Reference subwoofers deliver deep powerful bass that will take your system to the next level. Specifications Specification Details Subwoofer 10" (250 mm) Polypropylene Driver Power Handling 350W RMS, 1050W peak Sensitivity (1W 1m) 83 dB Frequency Response ( 6dB) 35Hz 500Hz Nominal Impedance 2 or 4 ohms, switch selectable Voice Coil Diameter 2" (50 mm) Cutout Diameter 9" (228. 61 mm) Mounting Depth 5 1 16" (128. 75 mm)