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<blockquote data-quote="Lasherž" data-source="post: 8707006" data-attributes="member: 679555">I also own the LC2i and something to be aware of is that the trubass and acubass knobs can be very confusing. Once it&#039;s setup at high volumes you&#039;ll need to redo the whole setup for low volumes using the bass threshold knob and acubass knob. What this does is when the volume is low it plays the normal signal but when it&#039;s high it plays a slightly amplified signal in the bass range. The reason is that cars lower the bass output as the volume goes up to spare the cheap speakers from getting blown and the cheap internal amp in the head unit from clipping.It seems like you&#039;re doing a good job in troubleshooting it on its own, but yeah the LC2i requires a bit more thought than usual. As for your power output at the high end not being very much, well the sealed box is going to have a lot to do with that. 300W isn&#039;t very much, particularly on a sealed enclosure. You&#039;ll never get mirror-shaking bass with that unless you get much more powerful. With 300W ported is the more common box since it makes due with a lot less power and can sound quite formidable. The noise output depends on a lot of things with your system including the car&#039;s cab volume, but when you have a small sealed enclosure with only 300W my expectation isn&#039;t very high, and it&#039;s pretty likely that yours was maybe a little too high.For context, I have a 1200W RMS amp powering a Hertz SX 380D in a sealed enclosure at the manufacturer recommended dimensions. It&#039;s very accurate, very high quality sound, but very low volume. Even at 1200W near clipping there&#039;s hardly a thud, whereas my old setup with 2 12&#039;s and a 500W amp in a ported enclosure would shake the car probably twice as much even at less than half the power.</blockquote>

[QUOTE="Lasherž, post: 8707006, member: 679555"] I also own the LC2i and something to be aware of is that the trubass and acubass knobs can be very confusing. Once it's setup at high volumes you'll need to redo the whole setup for low volumes using the bass threshold knob and acubass knob. What this does is when the volume is low it plays the normal signal but when it's high it plays a slightly amplified signal in the bass range. The reason is that cars lower the bass output as the volume goes up to spare the cheap speakers from getting blown and the cheap internal amp in the head unit from clipping. It seems like you're doing a good job in troubleshooting it on its own, but yeah the LC2i requires a bit more thought than usual. As for your power output at the high end not being very much, well the sealed box is going to have a lot to do with that. 300W isn't very much, particularly on a sealed enclosure. You'll never get mirror-shaking bass with that unless you get much more powerful. With 300W ported is the more common box since it makes due with a lot less power and can sound quite formidable. The noise output depends on a lot of things with your system including the car's cab volume, but when you have a small sealed enclosure with only 300W my expectation isn't very high, and it's pretty likely that yours was maybe a little too high. For context, I have a 1200W RMS amp powering a Hertz SX 380D in a sealed enclosure at the manufacturer recommended dimensions. It's very accurate, very high quality sound, but very low volume. Even at 1200W near clipping there's hardly a thud, whereas my old setup with 2 12's and a 500W amp in a ported enclosure would shake the car probably twice as much even at less than half the power. [/QUOTE]

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