Ever been on a long motorcycle ride, wishing your music had more punch? You hear the wind rushing past, but the bass from your bike’s speakers just disappears. It’s frustrating when your favorite songs sound flat and weak at highway speeds. Standard motorcycle audio systems often lack the deep, rich bass that makes music truly come alive.
Choosing the right subwoofer for your motorcycle adds that missing low-end power. But the market is flooded with confusing choices. Should you pick a small, waterproof unit or a larger one? How will it fit on your bike without taking up all your storage? These decisions can feel overwhelming, turning a fun upgrade into a headache.
This guide cuts through the noise. We will show you exactly what to look for in a motorcycle subwoofer. You will learn about size, power requirements, and the best mounting options for a perfect fit. By the end, you’ll know how to select a subwoofer that delivers booming sound without sacrificing space or reliability.
Ready to transform your rides with powerful, clear audio? Let’s dive into everything you need to know about getting the perfect subwoofer for your motorcycle.
Top Subwoofer For Motorcycle Recommendations
- Finally, bass for your bike! The HD14-SBSUB is an 800 watt, dual 10-inch subwoofer motorcycle kit, with full throttle bass output for an on-bike bass experience like no other, even at freeway speeds
- The HD14-SBSUB kit includes wiring and cutting templates, along with all the necessary hardware for an easy plug and play installation, ensuring less time in the garage and more time out riding
- Designed for 2014 - 2023 Factory Harley-Davidson Hardshell Bags. Sound when you want it, space when you need it - The patent pending design allows you to remove one or both woofers easily with no tools
- Purpose built to work with your existing Rockford Fosgate audio system for Harley-Davidson and select 2014 - 2023 Harley-Davidson Street Glide & 2015+ Road Glide models (See Compatibility Chart below)
- Famous Rockford Fosgate build quality with a full 2-year warranty
- Space Saver - If you are tight on space, this is a great solution for you. The combination of amplifier and subwoofer all into one, makes this ideal for spatially challenged vehicles. With a slim design, there are a few installation options
- Pulse Width Modulated - PWM simplifies power supplies. It controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. Efficiency. Increased reliability
- Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s)
- High Level Inputs - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the BASS10 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs
- Low Level Inputs - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the BASS10 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers
- POWERFUL 10" SUBWOOFER - Delve into deep, impactful bass with this compact, 10 inch subwoofer. Optimized for small spaces, it ensures efficient low sound wave conversion. Enjoy powerful bass performance ideal for both marine and outdoor applications.
- 400 WATT OUTPUT - The passive subwoofer features 400 watts of power and is made from engineered ABS with a neodymium magnet. Has a 2'' KEISV voice coil and 88 dB sensitivity for clear, low-resonance sound. Designed for high-quality audio performance.
- DURABLE & WEATHERPROOF - Constructed with marine-grade, waterproof materials, this car subwoofer is built to withstand harsh environments. Its weatherproof housing protects against elements, ensuring longevity. Ideal for marine and outdoor use.
- OUTDOOR AUDIO SOLUTION - Ready for any adventure, this subwoofer speaker excels in providing superior audio quality in any setting. Fully waterproof and trail-ready, it's your dependable audio companion whether you're sailing or off-roading.
- EASILY MOUNTABLE DESIGN - This marine subwoofer comes with all necessary mounting brackets and a clear installation guide. Quick-connect terminals simplify the setup process. Perfect for easy integration into UTVs and boats.
- A modern take on an old-school classic, the TB features thick ABS construction, and comes equipped with both an active CompR woofer on one end, and a Reflex Sub on the other.
- An innovative bracket system allows the TB to be mounted with ease: horizontally or vertically. Put it anywhere.
- The CompR sub mounted in the TB features a powerful ceramic magnet, an advanced suspension and superior heat management system for big bass and long life on the road.
- The all-weather TB loves to play outdoors. Hook it up on your boat, UTV or Jeep for fun on the trail, in the water or at the dunes.
- Passive Radiator - Made with the same surround and cone materials as the active sub, the Reflex Subwoofer is mounted on the opposite side of the TB - creating even deeper, louder bass.
- HIDDEN SPARE TIRE DESIGN: Mounts seamlessly on top of your spare tire, saving trunk space and deterring theft by staying completely concealed. Ideal for vehicles with 15"/16"/17" full-size spare tires.
- POWERFUL 800W PERFORMANCE: Delivers 800W peak power and 200W RMS for deep, mirror-vibrating bass. High-excursion 11" subwoofer ensures clean, musical sound without distortion.
- EASY PLUG-AND-PLAY INSTALL: Includes wiring kit with power, ground, RCA, and high-level inputs for quick setup. 20ft remote dash control adjusts gain, bass boost, and crossover.
- CUSTOMIZABLE AUDIO SETTINGS: Features adjustable low-pass filter (50Hz-150Hz), phase switch (0°/180°), and 0-12dB bass boost at 45Hz for tailored sound in any vehicle.
- DURABLE CAST ALUMINUM BUILD: Shallow mounting depth fits any spare tire well. PWM MOSFET amplifier and flexible rubber surrounds ensure reliable, vibration-free performance.
- 8-inch JBL BassPro SL powered under-seat compact subwoofer enclosure
- Power output: Peak: 250 watts RMS: 125 watts
- Efficient Class D amplifier
- Soft start turn-on, speaker-level (high-level) inputs with Audio Sense Auto-on
- Optional wired bass remote controller
- Powerful Bass – This powerful subwoofer and built-in amplifier, the subwoofer produces a dynamic bass response that enhances the audio experience. It adds depth and richness, creating an immersive and thrilling soundstage that brings your music to life.
- Amplified Design - All in one design simplifies installation and space, making it an ideal choice for vehicles with limited space. Built-in amplifier ensures optimal power delivery to the subwoofer, eliminating the need for an external amplifier.
- Low-Pass Crossover - Adjusting the crossover point (50Hz – 125Hz), you can customize the subwoofer's output to match your preferences and the characteristics of your audio system. Enables you to achieve a balanced sound and preventing any overlap in the frequency response.
- Excellent Sound Reproduction - Its high-quality components and precise engineering, it delivers accurate and detailed sound. The design and construction minimizes distortion, for clean and crisp bass response.
- Instruction & Operation – Please see the Owner’s Manual for full detail and operation found near the bottom of this page (Technical Specifications). Dimensions 4.63” x 9” x 2.75”
- 6.5-inch Dual 4 Ohm Subwoofer
- Peak Power: 400 Watts | RMS Power: 200 Watts
- 2" Copper Voice Coil, Sensitivity (Spl): 82.8 dB
- Great Low End Frequency Response | Fs: 64 Hz
- Small & Compact Subwoofer, Hard Hitting Bass
Choosing the Right Subwoofer for Your Ride: A Buyer’s Guide
Adding a subwoofer to your motorcycle’s sound system gives you deep, booming bass that you can actually feel. Riding with music is great, but feeling the music makes the experience much better. Finding the right one requires knowing what to look for.
Key Features to Look For
When shopping for a motorcycle subwoofer, some features really stand out. These features determine how loud and clear your bass will be.
- Power Handling (RMS Wattage): This tells you how much continuous power the speaker can handle. Higher RMS usually means louder, clearer bass without distortion. Look for a subwoofer that matches the power output of your amplifier.
- Size and Mounting Depth: Motorcycles have limited space. You need a compact subwoofer, often 6.5 inches or 8 inches. Always measure your intended mounting location first. Shallow-mount designs save crucial space.
- Water Resistance (IP Rating): Your bike gets wet. Look for an IP rating (like IPX6 or higher). This rating shows how well the speaker resists water and dust.
- Frequency Response: This shows the range of bass notes the speaker can produce. Lower numbers mean deeper bass.
Important Materials That Matter
The materials used in the subwoofer directly affect its durability and sound quality, especially in harsh outdoor environments.
The cone material is very important. Polypropylene or treated paper cones resist moisture better than untreated paper. These materials keep the sound consistent, even when humidity changes. The surround, the flexible ring holding the cone, should often be made of durable rubber. Rubber lasts longer than foam when exposed to sun and rain.
The basket (the frame holding the speaker) needs to be strong. Die-cast aluminum baskets offer better rigidity than stamped steel. A strong basket prevents vibrations that muddy the sound.
Factors That Improve or Reduce Quality
Good quality comes from smart design.
Factors that improve quality: A sealed enclosure (if you are using one) provides tighter, more accurate bass. High-quality voice coils dissipate heat better, allowing the speaker to play louder for longer periods without burning out. A strong magnet structure improves the speaker’s responsiveness.
Factors that reduce quality: Cheap, lightweight materials lead to quick failure. Speakers without proper UV coating fade and crack under the sun. If the subwoofer is too small for its power rating, it will distort easily at high volumes.
User Experience and Use Cases
Motorcycle subwoofers serve a few main purposes.
Most riders want Loud and Clear Highway Cruising. When you ride fast, wind noise drowns out soft sounds. A good subwoofer cuts through that noise, making the low end audible. For this, you need high sensitivity and good power handling.
Another use case is Show Quality Sound. Some riders focus on clear, deep bass for when the bike is parked. These systems might use slightly larger units or specialized enclosures built into saddlebags or fairings. Installation difficulty varies greatly; some units are “drop-in” replacements, while others require custom fabrication.
Remember, a subwoofer works best when paired with an amplifier designed for marine or motorcycle use. The amp powers the speaker correctly, ensuring the best performance.
Motorcycle Subwoofer FAQs
Q: Do I need a special amplifier for a motorcycle subwoofer?
A: Yes, you should use an amplifier rated for marine or powersports use. These amps handle the vibrations and temperature swings of a motorcycle better than standard car amps.
Q: Can I install a car subwoofer on my bike?
A: You can sometimes adapt one, but car subwoofers are usually not built to handle constant moisture, extreme UV exposure, or the intense vibrations a motorcycle creates. Motorcycle-specific models are much more durable.
Q: How loud can these small subwoofers really get?
A: Quality motorcycle subwoofers, when properly amplified, get surprisingly loud. They are designed to overcome wind and engine noise at highway speeds, often sounding much louder than their size suggests.
Q: What is an IP rating, and why is it important?
A: The IP rating shows how resistant the speaker is to solids (like dust) and liquids (like water). A higher number means better protection. You need at least IPX5 or higher for reliable outdoor use.
Q: Will adding a subwoofer drain my motorcycle battery too fast?
A: If you use a high-efficiency subwoofer and a properly matched, modern amplifier, the drain is usually manageable. If you play music extremely loud for hours while the engine is off, you might have issues.
Q: What size is most common for motorcycle subwoofers?
A: The most common sizes are 6.5 inches and 8 inches because they fit well into fairings or under seats without taking up too much storage space.
Q: Do I need an enclosure for my subwoofer?
A: Yes, most subwoofers require an enclosure (a box) to produce good bass. Some specialized “free-air” models exist, but a sealed enclosure usually gives you the tightest, best sound.
Q: How does subwoofer placement affect the sound?
A: Placing the sub low and forward, like in the fairing or under the seat, helps direct the bass toward the rider. Poor placement can cause the bass to sound weak or muddy.
Q: What is the difference between RMS and Peak Power?
A: RMS power is the continuous, safe power the speaker can handle daily. Peak power is the maximum it can handle for a very short burst. Always match your amp to the RMS rating.
Q: Are these hard to wire into my existing system?
A: If you buy a complete kit, wiring is often straightforward. If you are integrating into a factory system, you might need a line-output converter to get a clean signal for your new amplifier.