Everybody wants to know how to get more louder bass out of your car subwoofer without spending little as possible. In today’s car audio article, we are going to discuss how to make a subwoofer have more louder bass starting with the very basics. Most people want louder bass because they want to achieve a high SPL score at a local basshead competition or want to feel their music more. Louder bass means more air is being moved. In general, the higher the tuning frequency of a vented enclosure, the louder your subwoofer will sound, however, it will struggle to play lower bass notes and also the sound quality will be impacted. In the car audio world, it is very hard to achieve both sound quality and loudness in equal amounts, however, a nice balance in between is something you should try to work at. Having a loud boomy subwoofer is not very musical and only good for playing the odd song and will get annoying eventually because there are no transitions in the bass, just a one-note boom boom sound.
I have worked at many car audio shops in the past as a hobbyist and have installed many systems for local people in my area. Over the years, I have picked up different ways you can factor in on how to get more louder bass of your car subwoofer with impressive results.
The enclosure is everything. The enclosure to most may just like a wooden box with some carpet clued on, however, there is more to it than that. There are different types of enclosure designs, two of the most popular are sealed and vented or ported subwoofer enclosures. Both operate very differently, sealed is geared towards more sound quality and refined sound, however, ported is for loud forceful bass. If you are looking to get louder without changing the amp or subwoofer, it's best to design a custom box for your subwoofer tuned to 35HZ. This will allow you to get a nice amount of SPL without taking up the low end bass. You may want to do so research on building a car subwoofer enclosure for the first time. You will need to match up the internal cubic feet volume for your type of subwoofer. You can find this information on the user manual or research on car audio forums. If you don't feel comfortable making your custom subwoofer enclosure, you can always head down to your local audio shop. However, please check reviews because not all car audio shops are decent these days. Most try to sell you stuff that you don't need usually, so I would recommend try finding a local box builder on Facebook.
More watts = more louder bass! Each car subwoofer is marked with an RMS rating. The RMS rating of a car subwoofer needs to be exactly the RMS a car amplifier can provide. It doesn't matter if the car amplifier is a monoblock or a two-channel bridged car amplifier. As long as it is providing a clean RMS rating to the car subwoofer, you will get the best of your car subwoofer. Never go by the max rating listed on a car amplifier or car subwoofer. This rating is just a marketing trick to make you purchase the product. RMS is the actual wattage the product is rated at and you should ignore max power handling figures all the time. You can sometimes gain a bit more spl if your overpower car subwoofer, however, it is not recommended because you will be pushing it beyond its rated power. This may work for a while, however, the lifespan of the car subwoofer will be reduced significantly.
Setting the gain correctly. Chances are this is not even turned up correctly. The gain control on the car amplifier is its volume knob and it is used to match the voltage coming down the RCA cables from the car head unit. You will have to tune this correctly while listening to your car subwoofer to avoid distortion and get louder bass out of your car subwoofer. However, you tune this gain is very simple, you don't need any fancy SMD DD1 distortion detector tools at all. Your ear is the best tool. Simply turn up the volume on the car stereo gradually before it starts to clip. Then head over the car amplifier installed into the trunk of your car and turn the gain gradually up stopping until you hear distortion. Stop until you notice that the sound quality becomes distorted.
Bass Boost Feature? Most modern car amplifiers have a bass boost featured added to get louder bass out of your car subwoofer at a certain frequency. Common frequencies are 40 or 50 HZ. Look for the bass boost enable switch on your car amplifier to turn it on. It will usually have a dial that you can turn to increase the bass boost or not. I would avoid turning it up all the way, slowly turn it up until you notice the louder bass of your car subwoofer. Once you have gained a louder sound and you start to notice distortion back it down a little. Many car audio enthusiasts always advise not to use the bass boost feature, however, I recommend it if you don't have the money to buy good quality equipment. Bass boost can make your subwoofer sound louder because it changes the bass to play at a higher frequency.
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