In Phase USW10 Ultra Compact Active Subwoofer. For a Subwoofer that has all that bass pumping power but doesn’t need a lot of space, look no further. With it’s in built amplifier powering an aluminium coned subwoofer and a max output of 300W the iN PHASE USW10 won’t fail to impress. The iN PHASE USW-10 with measurements of only 69mm in depth and 270mm in diameter will fit easily in just about any location in your vehicle while still packing a powerful bass punch. Maximum Power Output 300W. Rated Power Uotput 100W. Output impedance 4 OHM + 4 Ohm. Size 270mm (D) 69mm (H). Weight (inc accessories) 4.8kg. Phase Button (0-180 degrees). Remote level Control (5m). Die Cast Aluminium Chassis. We Aim To Answer All Emails The Same Day, However Please Note This May Not Be Possible During Weekends And Bank Holidays. We Will Upload A Tracking Link To Our Courier So That you Can Track Your Order To Your Door. As We Do Not Get A Courier Collection On Weekends Of Bank Holidays. Sorry We Cannot Deliver To BFPO Addresses.