If you are familiar with multiple speaker setups, then you must know that most of them consist of multiple audio output devices. Other than the speakers and tweeters, you will also find subwoofers which are highly important for low-end output. And if you are looking for something powerful, then you can go with one of the best 18-inch subwoofers given down which have been selected as per these factors:
- Peak Power: The peak power rating of your subwoofer simply tells you about its maximum loudness or performance as a higher peak power results in a louder subwoofer. In other words, a 3000-watt subwoofer will be much more powerful than a 1500-watt subwoofer when you are talking about their peak power ratings.
- Frequency Response: While it is always great to have a powerful subwoofer, it is also important to ensure that it offers high detail audio output. For the same, you can check its frequency response range since a higher range offers better audio detail. This means that a 20 Hz to 500 Hz subwoofer will be more detailed than a 40 Hz to 250 Hz one.
- Form Factor: Your subwoofer’s form factor is also important to consider while installing it in your car or home audio system. While some of them come with included enclosures for easy installation, subwoofer units without enclosures can be installed in any custom enclosure of your choice making them ideal for compact spaces.
Surely these factors can be quite handy while picking a subwoofer for your audio system. But since there is still a lot to consider, all of the various 18-inch subwoofers given here also have their important details and factors well explained along with an extensive “Buying Guide”. By going through these, you can easily go with the best 18-inch subwoofers by this list’s end.
Best 18-inch Subwoofers
| 18 inch Subwoofers | Peak Power | Frequency Response | Warranty | Buy Now |
|---|---|---|---|---|
| Rockville RVW1800P4 Raw DJ Subwoofer | 1800 watts | 20 Hz to 1000 Hz | 1 year long | Check On Amazon |
| JBL Professional Portable Stage Subwoofer | 1400 watts | 53 Hz to 250 Hz | 2 year long | Check On Amazon |
| Skar Audio Dual Subwoofer SDR-2X12D4 | 1200 watts | 18 Hz to 250 Hz | 2 year long | Check On Amazon |
| PRORECK PR18 Active Powered PA DJ Subwoofer | 2000 watts | 40 Hz to 160 Hz | 1 year long | Check On Amazon |
| Harmony Audio HA-ML182 Monolith Subwoofer | 3500 watts | 30 Hz to 300 Hz | 1 year long | Check On Amazon |
| Mackie THUMP 18S Professional Subwoofer | 1200 watts | 40Hz – 120Hz (-3dB) 30Hz – 132Hz (-10dB | --- | Check On Amazon |
| Skar Audio SDR-18 D4 Subwoofer | 1200 watts | 18 Hz to 250 Hz | 2 year long | Check On Amazon |
| Dayton Audio UM18-22 Ultimax DVC Subwoofer | 1000 watts | 19 Hz to 500 Hz | 5 year long | Check On Amazon |
| CT Sounds TROPO-18-D2 Subwoofer | 1300 watts | 30Hz | --- | Check On Amazon |
| Sundown Audio U-18 D2 U-Series Subwoofer | 1500 watts | ---- | 1 year long | Check On Amazon |
Best 18-inch Subwoofers Reviews
1. Rockville RVW1800P4 1800w Raw DJ Subwoofer
Rockville is quite a popular brand of subwoofers when it comes to large-sized subwoofers that are made for offering high-quality audio quality to the user which even includes its 18-inch models.
The Rockville RVW1800P4 18-inch subwoofer is present at the 1st position in this list since it is one of the best-sounding options out there. Other than offering great audio quality, this 18-inch subwoofer is also decently powerful with a peak power rating of 1800 watts. Although being a value-for-money subwoofer, you do not get any included enclosure with this subwoofer.
Taking a look at its audio quality, it can offer detailed audio output thanks to its frequency response range of 20 Hz to 500 Hz which is much higher than most other options available out there. Rockville also includes a decent 1-year warranty with this subwoofer which is always great for reliability.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 1800 watts
- Offers a frequency response range of 20 Hz to 500 Hz
- Comes with a 1-year warranty
Pros:
- Excellent audio quality
- Fairly high value for money
- Large subwoofer with decent performance
Cons:
- Does not include an enclosure
2. JBL Professional JRX218S Portable Stage Subwoofer
When you are talking about professional audio equipment, JBL is one of the most popular options that you can find there since it offers a wide range of high-quality devices including woofers.
JBL’s Professional JRX218S 18-inch subwoofer is present at the 2nd position in this listicle as this is one of the only options out there which is ideal for stage usage and not for cars. For starters, it is decently powerful with its given peak performance rating of 1400 watts. And since you will not be installing this subwoofer in your car, you also get an included enclosure with it.
Unfortunately, since this subwoofer is made to be used on a stage where you will be in the open, its given frequency response range of 53 Hz to 250 Hz which is a bit average. Thankfully, being a JBL subwoofer, it does include a 2-year warranty making it great for long-term usage especially when you consider its durable build quality.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 1400 watts
- Offers a frequency response range of 53 Hz to 250 Hz
- Comes with a 2-year warranty
Pros:
- Quite a long warranty period
- Perfect for use on a stage
- Decently powerful for outdoor usage
Cons:
- Frequency response is a bit average
3. Skar Audio Dual Subwoofer SDR-2X12D4
Skar Audio is one of the most popular options out there when you are talking about speakers and woofers that are designed for you in cars since it offers various compact yet decently powerful options.
This Skar Audio Dual Subwoofer SDR-2X12D4 12-inch dual 4-ohm subwoofer is present at the 3rd position in this article because it is one of the best options for beginners. Since you get an included custom-vented enclosure with this subwoofer, you can easily install it in the boot of any car with ease. Although, for making it compact for easy installation, its power rating of 2400 watts is a bit limited.
It is made of high-strength 5/8-inch MDF and finished in premium black carpeting. Its final impedance load at the terminals for easy installation. The ported enclosure is tuned at 32 Hz for deep and accurate bass. The double front baffle with a 1.25-inch countersunk subwoofer design for an attractive appearance.
Thankfully, Skar Audio has not compromised in terms of its audio quality as you get a frequency response rating of 32 Hz to 300 Hz, resulting in excellent quality low-end bass output. You can even get a 2-year warranty with this subwoofer which is much higher than most other options out there.
Best Features:
- Rated subwoofer cone size of 12 inch
- Outputs a peak power of 2400 watts
- Offers a frequency response range of 32 Hz to 300 Hz
- Custom-vented enclosure with premium black carpeting finish.
- Comes with a 2-year warranty
Pros:
- Superb frequency response for great audio quality
- Features an included enclosure for easy installation
- High-roll surround sound system
- Value-for-money subwoofer with a long warranty
Cons:
- Power output could have been higher.
4. PRORECK PR18 Active Powered PA DJ Subwoofer
Proreck is a high-end brand of audio equipment that mainly offers products ideal for DJ usage because of which a lot of its subwoofer units are quite powerful and ideal for quick and easy installation.
The Proreck PR18 18 inch subwoofer is one of the only active subwoofer options available out there. This simply means that it has an inbuilt amplifier which makes it great for DJ usage. Even with its inbuilt subwoofer, you get a peak power rating of 2000 watts. You also get an included enclosure with this woofer which is highly important for DJ usage.
Although, unlike other car subwoofers out there, this one has a bit of a limited frequency response rating of 40 Hz to 160 Hz which can be a bit limited for some. Taking a look at the warranty of this subwoofer, it is on par with most other options since it is rated for 1 year long.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 2000 watts
- Offers a frequency response range of 40 Hz to 160 Hz
- Comes with a 1-year warranty
Pros:
- Quite a powerful subwoofer
- Offers an inbuilt amplifier for DJ usage
- Comes included with a compact enclosure
Cons:
- Frequency response is not ideal for cars
5. Harmony Audio HA-ML182 Monolith Subwoofer
Those of you who are looking for something highly powerful for high-end usage can consider Harmony Audio and its subwoofer units which are known to be highly powerful in general.
Harmony Audio’s HA-ML182 18 inch subwoofer is the most powerful subwoofer listed here in this article. In comparison to most other subwoofers available out there, this one has a much higher peak power rating of 3500 watts which is more than enough for loud usage. However, since it does not come with an included enclosure, you will need a heavy-duty enclosure to handle its high-end power output.
For the given peak power rating of 3500 watts, this subwoofer offers a pretty great frequency response of 30 Hz to 300 Hz resulting in pretty great audio quality. As you would expect from such a high-end subwoofer, this one also includes a 1-year warranty.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 3500 watts
- Offers a frequency response range of 30 Hz to 300 Hz
- Comes with a 1-year warranty
Pros:
- Superb audio quality for low-end bass output
- Extremely powerful subwoofer with high peak power
- Perfect for use with cars
Cons:
- Requires a heavy-duty enclosure
6. Mackie THUMP 18S Professional Subwoofer
Mackie is a well-known audio equipment brand that offers various electronics products, including a wide variety of powerful subwoofer units that are easy and quick to install.
The Mackie THUMP 18S 18-inch subwoofer is an active subwoofer option available with an in-built class-D amplifier offering a power rating of 1200 peak watts and 600 RMS. You get a pretty high-frequency response range of 40Hz – 120Hz (-3dB), or 30Hz – 132Hz (-10dB) which makes it a perfect option for room-shaking low-end bass output.
This professional band pass design offers class-leading output and has dual XLR inputs for stereo/mono applications. While the user-adjustable level and polarity controls provide extra controls. With its built-like-a-tank construction, the subwoofer rugged all-wood enclosure and high-durability finish.
Best Features
- Rated subwoofer cone size of 18-inch
- 1200 peak watts of room-shaking low-end
- High-output woofer with dual XLR inputs
- Precision crossover (140Hz) to provide the right signal
- Cool-running class-D amplifier
- Stereo full-range and stereo high-pass outputs
- Professional band-pass design for maximum output and deep, punchy lows
Pros:
- Highly affordable and budget-friendly subwoofer
- Superb audio quality with precise details
- Allow for easy installation in custom enclosures
Cons:
- Not ideal for cars due to its low-frequency response
- No information is available on its warranty
7. Skar Audio SDR-18 D4 1200 watt Subwoofer
Skar Audio also offers comparatively cheaper models of its subwoofer that can come at a lower price tag since they do not include an enclosure for custom installations while offering similar audio quality.
The Skar Audio SDR-18 D4 18 inch subwoofer is quite similar to the previous Skar Audio subwoofer model listed above. Although, for a lower price tag, it does not come with an enclosure which can be ideal for those who want to use a custom one. However, because it is a similar unit, it means that its given peak power rating of 1200 watts is not the highest.
Fortunately, you do get a pretty high-frequency response range of 18 Hz to 250 Hz, making it perfect for low-end bass output. Another great similarity between this and the previous Skar Audio subwoofer is that you get a 2-year warranty with this one as well.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 1200 watts
- Offers a frequency response range of 18 Hz to 250 Hz
- Comes with a 2-year warranty
Pros:
- Great audio quality
- Affordable and value-for-money subwoofer pick
- Fairly long warranty period
Cons:
- Poor loudness output rating
8. Dayton Audio UM18-22 Ultimax DVC Subwoofer
While Dayton Audio might be a highly premium and expensive audio brand, its subwoofers and other audio products are great for heavy-duty usage where you would want a highly reliable subwoofer.
Dayton Audio’s UM18-22 18 inch subwoofer is the most reliable and durable option listed here in this article. Similar to most other subwoofer units listed here and available out there, this one also requires a separate enclosure before you can use it. However, its loudness output is quite average for the given price since it is rated for just 1000 watts.
That being said, because this is such a premium and high-end 18-inch subwoofer, you do get a superb frequency response range of 19 Hz to 500 Hz, resulting in excellent audio quality. But the best thing about this high-end subwoofer model is that you get a 5-year warranty with it which is perfect for long term usage.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 1000 watts
- Offers a frequency response range of 19 Hz to 500 Hz
- Comes with a 5-year warranty
Pros:
- Quite a long warranty for long term usage
- Excellent audio quality with precise details
- Can be used with custom enclosures
Cons:
- Extremely low loudness output rating
9. CT Sounds TROPO-18-D2 Subwoofer
CT Sounds is an entry-level brand and a popular option for those who want to upgrade the audio system of their cars with one of these subwoofer units.
This CT Sounds TROPO-18-D2 18-inch dual 2-ohm (coil configuration) car subwoofer offers a maximum power output of 1300 watts, and 650 watts of RMS power, which is quite decent for loud audio output. This powerful subwoofer is installed in most cars with ease without any enclosures.
It comes with a double slug Y30 grade optimized motor, a 4-layer high-temperature copper voice coil, dual round weaved copper tinsel leads, and 12 gauge push terminals. This subwoofer offers a flexible high foam 2.0 surround sound and dual 2 ohms that let you wire more than 2 subwoofers.
Best Features:
- Rated subwoofer cone size of 18-inch
- Outputs a peak power of 1300 watts
- Signature chrome plated low carbon iron bottom plate
- Offers a frequency response of 30 Hz
Pros:
- Powerful and decent subwoofer
- Affordable entry-level option
- Perfect for use with cars
- Easy to install
Cons:
- No warranty information is available
- Low-frequency response range.
10. Sundown Audio U-18 D2 18″ 1500W U-Series Subwoofer
Sundown Audio is another brand that is primarily known for making high-performance and large-sized audio devices like its subwoofers which can be a great option for installing in your car.
The Sundown Audio U-18 D2 18 inch subwoofer is a fairly powerful subwoofer that can be installed in most cars with ease. To make this possible, Sundown Audio allows you to install this subwoofer in any enclosure of your choice. Coming to its loudness output, its peak power rating of 1500 watts should be decent for most users.
Similar to most other subwoofers you will find out there at its given price range, this one also comes backed by a 1-year warranty. Unfortunately, Sundown Audio does not offer any frequency response with this subwoofer which can be a letdown for many buyers out there.
Best Features:
- Rated subwoofer cone size of 18 inch
- Outputs a peak power of 1500 watts
- Comes with a 1-year warranty
Pros:
- Fairly powerful subwoofer
- Allows for easy installation in custom enclosures
- Decent warranty and build quality
Cons:
- Does not mention a frequency response range
Buying Guide for the Best 18-inch Subwoofers
Even if you have a high-end audio system installed in your car or home, there is still a good chance that it is a bit limited in terms of its low-end audio or bass output. And the only way to improve the same is by getting a powerful subwoofer.
Thus, some of the best 18-inch subwoofers have been given up above which are some of the largest and most powerful subwoofers you can find out there. To help you pick the right one, we have already discussed their major features and options. But if you wish to know more about subwoofers, consider checking out this complete buying guide for the best 18-inch subwoofers:
1. Peak Power
One of the most important factors to consider while buying a speaker or a subwoofer is its peak power rating. Just per the name, it tells you about the maximum power your subwoofer can handle or operate at. By checking this rating, you can easily get an idea of the maximum performance or the loudness offered by your 18-inch subwoofer.
In almost all cases, the peak power rating of your 18-inch subwoofer will be given in watts. This included ratings like 1000 watts, 1500 watts, 2000 watts, 3000 watts, and even higher depending on your subwoofer model. And if you want a loud and high-performance subwoofer, then you should go with a peak power rating of 3000 watts.
2. Frequency Response
Even though a loud and powerful subwoofer is always great to have, you won’t be able to enjoy your subwoofer if it is not on par with your speakers in terms of audio quality and detail. To ensure that you are getting a high-quality subwoofer that offers proper detail, then you can check its frequency response range.
This is due to the reason that a higher frequency response range allows your subwoofer to produce a larger number of frequencies. Coming to the options that you will find out there, you can find frequency response ranges like 20 Hz to 500 Hz, 40 Hz to 250 Hz, 18 Hz to 300 Hz. And even though a lower frequency of 18 Hz is better for bass output, the frequency response range of 20 Hz to 500 Hz is the best option here since such a subwoofer will be highly versatile.
3. Form Factor
While it may not affect the performance of your subwoofer, the form factor of your subwoofer affects the overall user experience in terms of its installation process. If you are in the market for a new subwoofer, you will mainly find options that come with an included enclosure and the ones which don’t.
Starting with subwoofers which come with an enclosure, these are quite easy to install and offer a great value for money. However, because of their general shape, they are not easy to fit in compact or tricky spots in your car or home audio setup. On the other hand, if your subwoofer does not come with an enclosure, these affordable subwoofer can be installed in custom-shaped enclosures making it the much better option for installing in tight spaces in your car.
4. Woofer Size
Even though all of the subwoofers given up above are 18-inch units, you should still know the importance of the woofer size or the size of your woofer driver. Not only does it affect the overall form factor and size of your woofer unit, but it can also affect its audio quality and performance. As you would expect, something like an 18-inch subwoofer is going to be pretty large in size. But this large size allows your subwoofer to offer excellent audio output in terms of high-quality low-end bass output. On the other hand, a smaller 10-inch subwoofer will not be able to offer similar results in terms of the bass output quality.
5. Power Requirements
Whether you are going with a highly powerful 18-inch subwoofer or an entry-level one, both of them will need some sort of power for their function and outputting low end for your audio system. Thus, check the power requirements of your 18-inch subwoofer.
Unfortunately, except for a few options out there, most 18 inch subwoofers are passive units which means that you will need to offer external power to them via an amplifier. And other than a few 18-inch subwoofers, most will need you to buy an amplifier separately as well which is something you need to keep in mind while going for high-performance 18-inch subwoofers.
6. Warranty
Since 18-inch subwoofers are a bit on the expensive side, you would want your high-end subwoofer to last for as long as possible. For starters, you can check its build quality as durable ones are most likely going to last for a long time. Other than the build quality, checking the included warranty is also a great idea. While most of the 18-inch subwoofers out there will offer a 1-year warranty, a few high-end units may even come with a 5-year warranty making them great for long term usage.
Conclusion:
Those of you who are planning to get a new subwoofer can get various options out there of various sizes. While smaller options like 8-inch ones are ideal for compact spaces, larger units are ideal for much more powerful low-end output from your audio system. One such great option can be going with something like the best 18-inch subwoofers listed up above.
Alongside these various 18-inch subwoofers, you will also discover their important specifications and features properly explained along with a detailed buying guide. But, if you are still confused, consider checking some of our favorite picks and recommendations for the best 18-inch subwoofers:
- In case you are on a tight budget, you can go with the Rockville RVW1800P4 18 inch subwoofer is one of the best options to check. Besides this affordable price, this 18-inch subwoofer is quite powerful with an 1800W peak power rating and 900W RMS, a frequency response range of 20 Hz to 500 Hz to deliver amazing sound quality. Also, it provides a decent 1-year warranty, which is always great for reliability and enough for most users.
- If you are seeking Exceptional sound quality, go with the Skar Audio Dual 12ʺ Subwoofer, as it comes with a dual 4-ohm loaded subwoofer enclosure, frequency response of 32 – 300 Hz, and a powerful 2400W peak and 1200W RMS that delivers superior sound quality, including deep & accurate bass. Also, it is backed by a 2-year warranty.
- If looking for a car subwoofer, then check this CT Sounds TROPO-18-D2 Car Subwoofer. It has 18ʺ dual 2-ohm with a 1300W peak and 650W RMS power. Its advanced air cooling system, dual round weaved copper tinsel leads, and flexible high-foam surround at an affordable price range. It is quite easy to install and the perfect option for using the cars.
Feel free to share your queries about these 18-inch Subwoofers with us in the below comments section. We will respond promptly to resolve them and help you in the selection.
