If adjustable, try switching the slope and listen for any improvements in sound quality. The most commonly used slope options found in car audio are 12 dB per octave or 24 dB per octave. The subwoofer does not have a supplied passive crossover, use a Low-Pass Filter to block the high frequencies from being sent to the subwoofer. The passive crossovers will then further divide the frequencies between the tweeter and midrange (or tweeter, midrange and woofer in case of a 3-way component set).
Setting up crossovers in pure music drivers#
This will block out the lower bass frequencies that the midrange drivers are not designed to effectively play. Since the component set already has passive crossovers networks that will split the frequencies between the tweeters and midrange drivers, a High-Pass Filter should be used. System One - Front Components (passive) & Subwoofer(s) Note: From this point forward, unless noted otherwise, any mention of crossovers, whether high-pass or low-pass filters, will include those on an amplifier, source unit, or Digital Signal Processor (DSP).
Now that the basics of crossovers are understood, let's cover some good starting points for various system configurations (consult the speaker's manufacturer for more detailed information on their recommended frequency response). Read the Understanding Crossovers article for the basics of their operation. A common question we receive is "How do I set up the crossovers on my amplifier or source unit." Before the crossovers are set, it's important to understand how they operate.
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