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The Definitive Guide to Motorcycle Audio


It can be difficult to choose the best radio, amplifier, and speaker improvements for your motorcycle audio system. This buying guide has been created by Music In Motion’s team of mobile enhancement professionals to assist you in selecting the best solutions to make your wind treatment more fun. Whether you’re upgrading the audio system on a Harley-Davidson or BMW touring bike or just want to add a sound system to something more basic, we want to make sure it sounds amazing!

Options for Motorcycle Radio

There are several reasons to replace the radio on an older motorcycle: to add Bluetooth audio streaming, support for digital media file playback, or add preamp outputs to improve the performance of an amplifier. Radios come in a variety of shapes and sizes, depending on the type of bike. You have the option of installing an aftermarket radio or not. As a result, where there is a will, there is a way.

Rockford Fosgate and Aquatic AV offer customized radios that will drop directly into the fairing and plug into the factory wiring for owners of Harley-Davidson touring bikes from 1998 to 2013. The radio control buttons on the handlebars are compatible with both radios.

If you can ensure the bike will never see rain, another alternative for these bikes is to use one of the floating-face radios from Kenwood, Sony, or Alpine. A single-DIN chassis with an enlarged screen that mounts in front of the fairing on these radios. The end result resembles the radio designs found in new Audi and Mercedes-Benz automobiles. The screens on these radios are substantially larger, ranging from 8.95 inches to a huge 11 inches for the new Alpine ILX-F411. Adjustments are easy to make while riding with larger screens. Naturally, you’ll want to check with your store to make sure the radio won’t interfere with any gauges or switches.

Marine source units with a single DIN are another alternative

These models must be kept dry unless they clearly declare that they are weather-resistant. The face and electronics cannot get moist, even if the circuit boards have a corrosion-resistant coating. This sort of radio has the advantage of having a reverse-LCD display, which is easier to view in bright sunshine than their standard car audio counterparts.

The Saddle Tramp 95-HDIF improvement, which replaces the inner fairing on this generation of Harley cruisers, is another popular addition. It includes a double-DIN source unit to allow adding technologies like Apple CarPlay and Android Auto easier. Because Sony has added water-resistant characteristics on the front panel, the Sony XAV-AX7000 multimedia receiver is an excellent choice for this application.

Using a steering wheel control interface, your shop can usually connect your new radio to the control buttons on the handlebars. Axxess, Scosche, PAC, and iDatalink are just a few of the companies that provide solutions.

Motorcycle Brands for Audio Upgrades


Harley-Davidsons, Yamaha Ventures, Honda Goldwings, BMW K1600s, Indian Roadmasters, and Kawasaki Voyagers are all excellent bases for audio system modifications. You won’t be able to simply change the radio on most of these bikes, so your best bet is to make do with what you have.

A digital signal processor like the ARC Audio PSM is one of the finest methods to connect a high-power amplifier and modern speakers to these radios. These processors provide your installer with a comprehensive range of capabilities to maximize the performance of new speakers, in addition to altering the speaker-level signals coming out of the radio to work with an amplifier. Above all, these DSP systems can handle any equalization integrated into the radio, ensuring that your music sounds amazing.

Some systems, such as the PSM, allow you to set different settings for different situations, such as hanging out with friends, cruising about town, or riding down the Interstate. To power the speakers, you’ll need to add an amplifier after these processors.

Flashing Harley-Davidson Radio

If you have a 2014 or newer Harley with the Boom! Box radio, it’s likely that the radio has been set up with an equalization curve that maximizes the performance of the factory speakers. It’s a recipe for disaster to upgrade to new amplifiers and speakers without first modifying the EQ curve.

TechnoResearch offers a radio reprogramming service that allows your dealer to set the radio’s response curve to a more relaxed state. While not completely flat, radio flashing will improve the sound quality and longevity of your audio system. To ensure a truly smooth frequency response and a realistic listening experience based on the speakers you’ve chosen, we recommend using a DSP.

Options for Motorcycle Bluetooth Sources


The Definitive Guide to Motorcycle Audio is especially helpful if you’re upgrading a motorcycle that doesn’t have a radio, a Bluetooth audio streaming solution can be a good option. There are two types of Bluetooth receivers available. The first is a hidden module that allows you to listen to music from your phone or via a streaming audio provider such as Pandora, Spotify, or iHeartRadio.

The phone serves as the system’s source unit, and you’ll regulate the volume of your audio system using the phone’s volume control keys.

A receiver with volume, music selection, and play/pause controls is the second Bluetooth streaming option. The Audio Video Remote Control Protocol (AVRCP) is added to the Advanced Audio Distribution Profile (A2DP) that is used to stream audio via these receivers. The receiver’s buttons deliver commands to your phone to change tunes or modify the volume. As a result, you may control your phone from the receiver while it remains in the source unit. Preamp outputs on these Bluetooth receivers can be linked to an external amplifier to power your speakers.

Audio Amplifiers for Motorcycles

To hear your music well while going at 65 miles per hour, you’ll need loudspeakers and an amplifier capable of driving those speakers without distortion. Motorcycle amplifiers come in two- and four-channel variants with power ratings ranging from 45 to over 150 watts per channel.

You’ll want an amplifier that is as efficient as possible, in addition to one that fits in the available space on your bike. Motorcycle electrical systems aren’t built with the same reserve current supply capabilities as car or truck electrical systems. They are frequently limited to 20 or 25 amps. As a result, you’ll need an amplifier that can take advantage of the limited current available to drive your speakers. The most efficient motorbike amplifiers on the market are above 90% efficient.

When selecting an amplifier for your motorcycle, consider where the shop will put it. It will be shielded from water, dust, and debris if it is in a saddlebag, but it may not have enough airflow to stay cool if it is not an efficient model. The front fairing is the most popular site for amplifier mounting. This site provides adequate shelter, although it is not waterproof. Amplifiers with IPX6 or IPX7 ratings are available from companies like Rockford Fosgate and JL Audio, ensuring that they will keep playing even if they get wet.

Upgrade Your Motorcycle’s Speakers for Better Sound

One of the most important aspects of replicating your music with precision and detail is the speakers you choose for your audio system. Consider how horrible your music would sound if you had a wonderful source unit and a high-power amplifier coupled with cheap auto parts store speakers. Yuck!

Three essential requirements must be met by motorcycle speakers: They must be able to tolerate long periods of UV exposure. They must be able to play loudly and with a lot of power. Last but not least, they must be water-resistant. Naturally, every speaker should have a smooth frequency response that is devoid of peaks, dips, or undesirable resonances that detract from the listening experience. It’s not easy to combine all of these characteristics into a single product.

Visit Music In Motion for Motorcycle Audio Upgrades

When you go to your local specialty mobile improvement merchant to look for new speakers, you should have a list of questions prepared to go along with a listening audition. When it comes to UV protection, you want something that won’t fade, chalk, yellow, or crack after being exposed to the sun for a year or two. Waterproofing should be included in the speaker’s design. Because UV stabilizers may be applied during the manufacturing process, polypropylene cones are the easiest to make UV resistant. Cones made of paper, composite, or carbon fiber often do not fare as well.

A flexible secondary seal around a centrally positioned tweeter mounting post is critical in coaxial setups. A tweeter affixed to a bridge that spans the woofer is used in many recent motorcycle-specific speakers. This design allows for a larger woofer with more surface area, which improves efficiency and midbass output.

It’s not the same as auditioning a set of speakers made for a motorcycle as it is for a conventional automobile audio application. To begin, you’ll notice that in order to improve their efficiency, these speakers lose some bass and midbass output. Higher frequencies are emphasized on the top end to help overcome wind noise or allow you to hear music through a helmet.

When placed on your bike, what appears bright or aggressive on a display may sound fine. Having stated that, during the auditioning process, the standard criteria of smooth response and lack of resonance remain true. No amount of tuning will be able to remove distortion if the midrange is harsh or the speakers sound muddy.

Locations of Speakers and Upgrade Options

In the front fairing of most touring bikes are 4-, 5.25-, or 6.5-inch speakers. You can choose like-sized replacements if you’re having things upgraded. There may be adapters available that will allow your installer to install a larger speaker in the same spot without having to adjust or modify the motorcycle. The most typical location for rear speakers on motorcycles is on either side of the back seat. These are known as Tour-Pak speakers on Harley-Davidson motorcycles. These speakers are usually a little smaller, measuring about 5.25 inches in diameter.

If you want greater output, you may install additional speakers after you’ve picked outstanding speakers for the existing positions on your bike. Several firms produce pods designed to attach speakers on each side of the radiator or the engine guard for Harley-Davidson owners. The majority of these speakers are made for 6.5-inch speakers. “Lowers” refers to the location of the speakers.

Upgrading the lids on a set of saddlebags for the back of your bike is a terrific way to add big sound to your motorcycle audio system. Although most of these lids have room for a 6-9 speaker, others employ 6.5-inch or dual 6.5-inch or 8-inch drivers. These lid covers come in a variety of colors or can be custom painted to fit your bike.

Rockford Fosgate TMS69BL9813

The Rockford Fosgate TMS69BL9813 and TMS69BL14 kits are a great upgrading choice for bag lid speakers. These kits contain a template for adding grilles to your current bag lids by your installer. The main advantage is that your lids won’t need to be painted, allowing you to finish the speaker update in a matter of hours rather than days.

Of course, if your motorcycle isn’t as well-supported as Harleys, there are still plenty of upgrade possibilities. To accommodate new speakers, the shop can construct unique mounting solutions or adapt a saddlebag, storage trunk, or fairing.

For bikes without fairings, compact stand-alone speaker systems are also available. To provide an all-in-one sound system, these speaker solutions often feature a built-in amplifier and a Bluetooth receiver. Keep in mind that, while these solutions are amazing, they won’t match the output of a pair of 6.5-inch drivers in a fairing driven by a high-quality amplifier.

Motorcycle Audio and Subwoofers


The Definitive Guide to Motorcycle Audio makes clear it’s quite tough to replicate the lowest notes of your song on a motorcycle. You don’t have the benefit of a compact cabin that can be pressed by a relatively modest speaker like you would in a vehicle. Consider the number of speakers and the wattage required to produce bass for an open-air rock concert.

You’ll also have to contend with the motorcycle’s own exhaust noise. If you believe that “loud pipes save lives,” the task will be significantly tougher for you. Last but not least, subwoofers require suitable enclosures to perform properly. Of course, saddlebags, Tour-Paks, and trunks are available.

Adding a subwoofer and focusing it on the midbass region of 50 to 125 Hz could help the system by reducing the amount of work the little speakers have to do. If you want to do this, you’ll need a subwoofer that can handle the midbass well. While driving on the interstate, don’t expect to hear the lowest synthesizer or organ notes.

Choosing the Best Shop for Your Motorcycle Audio System Upgrade

As significant as the things you select are, the manner in which they are integrated into your motorcycle is critical to their performance and dependability. While companies like ARC Audio and Rockford Fosgate sell installation tools and connections that work with Harley-factory Davidson’s wiring, knowing how to properly remove your bike, run cables along the factory wire channels, and configure a new amplifier requires adequate instruction. Before you agree to let them work on your prized possession, you should see proof that the shop you chose has worked on motorcycles comparable to yours and, if feasible, audition those systems.

If you’re upgrading a newer bike that may still be covered by the manufacturer’s warranty, make sure the shop installing your speakers and amplifier is aware that no wire should be removed.

You’ll want to work with a store that provides good after-sales service, just like you would with any other investment in electronics or entertainment products. They can assist you if you have any questions about how anything works or if you wish to expand the system further. They can take care of any component service you require. With this in mind, “on the street” improvements during a show or rally should be avoided. How are they going to stand behind what they’ve sold you if they’re three or four states away?

Upgrade Your Motorcycle’s Sound System Today!

It’s time to upgrade your motorcycle audio system if it’s not crystal clear or doesn’t play loudly enough. Visit Music In Motion to learn about the many source units, speakers, and amplifiers available to make your next ride even more enjoyable.

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