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What is variable pass crossover

Before purchasing an amplifier, it is essential to know the specifications. A Variable Low Pass Crossover allows you to alter how high or low your speaker’s frequency will go before they are not with the amp. So that all of this device’s power goes into making music rather than other sounds unwanted in a room-filling up with audio gear.

For example, if you have a subwoofer, it’s probably not a good idea to try playing high-pitched songs with just the vocals and instruments audible. You may prevent the bass from being overwhelmed by these higher frequencies by lowering your low pass crossover frequency.

Definition of variable low-pass crossover:

A variable low-pass crossover allows users to “dial in” the desired crossover frequency that best suits them by using dials or knobs that enable varying amounts of signal to pass through based upon their settings. A typical location would have very little output under this point to reduce distortion and prevent damage.

Many amplifiers will have multiple settings for what sounds good with your particular speakers or subwoofers.

One might be called the high pass crossover frequency (closer to 1000 Hz), and one may be called the low pass (30-80 Hz). The reason this is that there are two separate frequencies that you wish to avoid boosting. 

The first frequency range can be thought of as ‘bass range’. Which you want to filter out, while the second is more ‘midrange’ or ‘midrange band. So you don’t want it amplified either. 

Low-pass filters are designed to block higher frequencies, thus preventing your subwoofer from pumping out sound emits too high for any speaker unit to reproduce. These filters allow only lower bass ranges, ideal for subwoofers since they will play these sounds just fine without distortion.

What are the potential advantages of the variable low pass crossover?

The variable low pass crossover is an excellent innovation for taking their car audio system seriously. When used in conjunction with high-level inputs, it allows you the option of connecting your RCA cables directly from an amplified source. 

Such as a factory head unit and amp while still boosting speakers on demand without any special adapters or whatnots: allowing yourself complete control over where thump comes from.

It features one set of RCA connections and speaker input ports to connect it to your car’s factory radio system. Max power output is 2000 watts, which can handle 4-ohm speakers.

Setting up a crossover will significantly improve the overall sound quality. You can customize the sound quality to better suit your specific needs and preferences by adjusting the cutoff frequency.

Depending on the make and type of your amplifier, there may be several different settings that will give you the best results with your particular speakers or subwoofers. The different filters help reduce distortion while ensuring that your speaker unit does not reproduce sounds too high or low for them to handle.

While this is an incredible advancement for those interested in taking their car audio system seriously, it’s worth noting that many amplifiers already have variable crossovers built-in. So you can change the crossover frequency on these units simply by moving a switch or knob on the device.

How a Crossover Can Assist You in Setting the Right Subwoofer Settings

A subwoofer is just like a low-frequency driver for your main speakers. Still, it sounds better when given its own space to work in without using crossovers. And with all drivers receiving signals explicitly tailored towards them.

An individual’s voice would be coming through as weak compared to what you hear from larger speaker systems. Where this separation technology has empowered each component. So they can deliver at their highest ability on behalf of both themselves and others around them.

Setting up your system is not an easy task. Different people have different needs and wants for sound, so there is no one-size-fits-all solution here. Instead, start by setting the crossover point at what frequency range you want for satellites (80Hz or lower) subwoofers. You also need special consideration if your speakers can’t handle low bass notes because this will depend on how much space they take up.


Variable low-pass crossovers offer an excellent way for users to adjust the lower limit of a signal on an audio amplifier. This can help achieve a better bass response from a speaker system.

 By lowering the cutoff frequency, more bass responses can be realized from a speaker system that may not reproduce frequencies below a given cutoff frequency. We hope you liked the information written in this article about variable low pass crossover.

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