Ruthless Audio Neo 18" Neo 4" Coil Subwoofer 4500W RMS Select Impedance:Dual .7 ohm(D1) The 240 amp model offers

The 240 amp model offers the best balance between peak output

The H Series Subwoofers feature:

150 Watts RMS

it even operates at high power

Ruthless Audio Neo 18" Neo 4" Coil Subwoofer 4500W RMS Select Impedance:Dual .7 ohm(D1) The 240 amp model offersNew cooling and inductance features that are set up in stages. The first stage is a machined aluminum pole sleeve. This provides better heat wicking and is the first portion of inductance linearizing and reduction. The second stage is a combination of the pole sleeve and an aluminum domed compression cap. This increases the compression ratio for cooling as well as adds some outstroke inductance reduction. The third stage utilizes the pole sleeve, the