#13 in Car audio & video amplifier equalizers
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Reddit mentions of Car Home Amplifier Subwoofer Equalizer Crossover RCA Adjust Line Level Volume
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Car Home Amplifier Subwoofer Equalizer Crossover RCA Adjust Line Level Volume. Here are the top ones.
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gold-plated 4 RCA (2 RCA inputs and 2 RCA outputs)The volume control knobThe frequency of 150Hz - 40Hz inGet 0dB to -12dBTwo kinds of adjustment method: 1 by the gain adjustment, 2 through frequency adjustment.
Specs:
this little guy for $14 shipped is passive, line level, and has adjustable cutoff. If it does what it's supposed to, it seems perfect. The reviews on this other listing make it sound like maybe it doesn't really filter correctly. Or maybe it's just first order (6db/octave) which doesn't cut as much of the highs as people tend to think. Anyway I'd love to know if it works, if you want to try it ;)
Otherwise, I second AzusMobo's recommendation to pick a cutoff frequency and buy FMOD inline rca filters.
Lastly, if you know your amps input impedance, you can make your own line level filters, which should be cheaper; but I don't know how common it is to know that specification. (In fact, I'm not sure how the FMOD ones are getting around that issue. Maybe all modern amps are similar enough in that regard?)