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<blockquote data-quote="trumpet" data-source="post: 8528228" data-attributes="member: 628688">P99RS is still a viable option, but it&#039;s an aging unit that will only get harder to keep up if it should require repairs. This is the way it goes with all head units. Helix makes fine DSPs and the manufacturer has shown good support with software updates. The DSP market has exploded, and demand will be strong for many years.Depending on your location in TX I may be able to recommend a professional to tune your system. Otherwise with greater complexity comes a very steep learning curve, so don&#039;t expect a DSP to be a magic SQ pill upgrade.There is little need to keep your drivers of the same brand. Morel is good, but the Ultimo is not really known as a powerhouse that could replace a pair of same-size subwoofers. If your 12.5LF2s are in a sealed enclosure then one 12&quot; in a ported enclosure may do what you want. There are some great subwoofers that will work in a very small volume, but the port may need to be external due to the length required to tune low for sound quality. Especially with a DSP to shape the response, you should experience little to no loss of sound quality with a proper ported subwoofer setup.</blockquote>

[QUOTE="trumpet, post: 8528228, member: 628688"] P99RS is still a viable option, but it's an aging unit that will only get harder to keep up if it should require repairs. This is the way it goes with all head units. Helix makes fine DSPs and the manufacturer has shown good support with software updates. The DSP market has exploded, and demand will be strong for many years. Depending on your location in TX I may be able to recommend a professional to tune your system. Otherwise with greater complexity comes a very steep learning curve, so don't expect a DSP to be a magic SQ pill upgrade. There is little need to keep your drivers of the same brand. Morel is good, but the Ultimo is not really known as a powerhouse that could replace a pair of same-size subwoofers. If your 12.5LF2s are in a sealed enclosure then one 12" in a ported enclosure may do what you want. There are some great subwoofers that will work in a very small volume, but the port may need to be external due to the length required to tune low for sound quality. Especially with a DSP to shape the response, you should experience little to no loss of sound quality with a proper ported subwoofer setup. [/QUOTE]

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