Installing A Car Stereo In Your Boat: A Step-By-Step Guide

Marine stereos are more expensive than car stereos, so many boat owners opt for car stereos instead. Car stereos are not built for the marine environment, so they may not last as long as a marine stereo, especially if they are exposed to water or high humidity. However, car stereos are cheaper and often feature the latest technology, such as Bluetooth and GPS navigation, which can be helpful when out at sea. If you are thinking of installing a car stereo in your boat, there are a few things you should consider, such as the location of the stereo and whether it will be exposed to water.

Choose a car stereo with the latest technology

When choosing a car stereo with the latest technology, it's important to consider your specific needs and preferences. Here are some factors to keep in mind:

Connectivity:

Look for features like Bluetooth, Aux, and USB connectivity. Bluetooth allows for wireless streaming of music and hands-free calling, while Aux and USB ports enable wired connections for devices like smartphones, MP3 players, and thumb drives. Some stereos also offer wireless Apple CarPlay and Android Auto, seamlessly connecting your smartphone and its apps to your car's infotainment system.

Multimedia and Video Playback:

If you want to play videos, DVDs, or connect gaming consoles, look for a stereo with multimedia capabilities and the appropriate inputs like HDMI, A/V, and USB ports. This turns your car into an entertainment centre for you and your passengers.

Touchscreen:

A touchscreen interface not only looks sleek but also enhances usability. Larger screens, like 6.9" or 10.1", offer better visibility and more room to organize apps. Some touchscreens are capacitive, offering greater responsiveness than resistive screens, and they work well even in bright, direct light.

Built-in GPS Navigation:

While smartphones provide navigation apps, a built-in GPS navigation system in your car stereo offers a safer, less distracting alternative. Look for units with clear, easy-to-view screens and up-to-date maps with free lifetime updates.

Single or Double DIN:

The size of your car's dashboard opening will determine if you need a single or double DIN stereo. Single DIN is letterbox-shaped, while double DIN is a chunky square. Double-DIN openings can accommodate both types, but you'll need the correct dash kit. Some single-DIN stereos have floating touchscreens that can be positioned for optimal viewing.

Audio Quality and Tuning:

For audiophiles, look for features like high-resolution audio support, advanced crossover control, graphic EQ, and parametric EQ for fine-tuning your sound. Built-in amplifiers and RCA outputs also enhance audio quality and volume.

Expandability:

Consider your future expansion plans. If you intend to add components like rear cameras, subwoofers, or additional speakers, ensure your car stereo has the necessary inputs and outputs to accommodate these upgrades.

Compatibility:

Ensure the car stereo is compatible with your smartphone and music apps like Spotify and Pandora. Also, check for iDatalink compatibility to integrate features like climate control and steering wheel controls.

By considering these factors, you can choose a car stereo with the latest technology that suits your specific needs and enhances your driving experience.

Consider the pros and cons of a car stereo vs a marine stereo

Marine stereos are designed for boats, offering durability and resistance to the elements. They are built to withstand harsh marine conditions such as salt, moisture, and UV rays. On the other hand, car stereos are designed for land vehicles and may not handle these conditions.

Marine stereos are typically waterproof, ensuring they won't be damaged by water. They also have corrosion-resistant materials to prevent rusting. However, they can be more expensive than car stereos due to their specialized design.

Car stereos, especially Android and CarPlay, feature modern technology such as Bluetooth and GPS navigation. They are also cheaper and have more options to choose from. However, they are not waterproof and may not last as long as marine stereos if exposed to water or high humidity, especially in open-top boats.

If you're considering a car stereo for your boat, it's recommended to install it in an enclosed space, like a cabin, to protect it from water damage. Additionally, learn how to fix a car stereo if it gets wet and consult a stereo expert for advice.

Now, let's look at the pros and cons of a car stereo vs a marine stereo in a boat in direct comparison:

Car Stereo Pros:

• Cost-effective: Car stereos are typically cheaper than marine stereos, allowing you to save money.
• Latest technology: Car stereos often feature Bluetooth, GPS navigation, and other modern features that enhance your journey.
• More options: With a larger market, you have a wider range of options and compatibility choices.

Car Stereo Cons:

• Not waterproof: Car stereos are not designed to withstand water exposure, and salty, moist air can cause corrosion and damage.
• Prone to damage: Car stereos are not built to absorb shock, and the pounding from water in a boat can damage them over time.
• Frequent replacement: Car stereos are not made for water environments and are more likely to be damaged, requiring frequent replacement.

Marine Stereo Pros:

• Durability: Marine stereos are designed to withstand harsh marine conditions, including salt, moisture, and UV rays.
• Waterproof: They are typically waterproof, ensuring they won't be damaged by water exposure.
• Corrosion-resistant: Marine stereos use corrosion-resistant materials to prevent rusting.

Marine Stereo Cons:

• Expensive: Due to their specialized design, marine stereos can be more expensive than car stereos.
• Limited options: There are fewer options available compared to the vast car stereo market.
• Installation: Installing a marine stereo may require professional assistance for complex wiring and integration.

Install the car stereo in an enclosed space

Installing a car stereo in an enclosed space in your boat is a great way to save money and still enjoy your favourite tunes while out on the water. Here are some detailed steps and tips to help you with the installation process:

Firstly, choose an appropriate location for the stereo. If your boat has a cabin, it is best to mount the stereo inside to protect it from the elements and extend its life. Make sure the spot you choose is clear of any obstructions and that you have measured the space to ensure the stereo will fit. It is also crucial to check for any cables or wires that may be behind the mounting spot to avoid accidentally cutting them.

Once you have selected the perfect location, prepare the radio for installation. Strip the insulation from the power and speaker wires and crimp on connectors. It is recommended to do this ahead of time, as the wires may be in a tight space once the stereo is mounted. If you are replacing an existing unit, you may be able to simply swap out the old head unit for the new one. Otherwise, you will need to cut a hole or modify the existing one to fit the new stereo.

When it comes to mounting the stereo, use the provided template to mark the dimensions and drill the mounting holes. Ensure that the stereo is secure and consider using through-bolts with locking nuts for added stability. If the stereo does not come with a rubber gasket, apply a bead of silicone sealant around the edges to create a watertight seal.

If your boat does not have a cabin or enclosed space, you can still install the car stereo in an exposed area. Look for stereos with an IPX rating of at least 7, which indicates that the unit is submersible and can withstand water exposure. Additionally, consider using a waterproof box or cover to protect the stereo from splashes and high humidity, especially if you boat in saltwater or brackish water.

Keep in mind that car stereos are not built to resist shock like marine stereos, so try to choose a location for the stereo that minimises pounding from water. Regularly maintaining and inspecting your stereo will also help extend its life.

Protect the car stereo from water damage

To protect a car stereo from water damage, it is recommended to install it in a cabin, if your boat has one. This will keep the stereo out of the weather and extend its life. If your boat does not have a cabin, you can install the stereo in a place where water is unlikely to reach it.

If the stereo is to be exposed to water, look for one with an IPX rating of at least 7, meaning it is submersible to one meter for up to 30 minutes without damage. You can also use a waterproof radio cover or enclosure to protect the stereo from water damage. These covers are typically made of heavy-duty material and feature a flip-up door and a simple spring release mechanism for easy access. They also have a tinted front panel to protect against overheating.

Additionally, you can use a moisture barrier, plastic envelopes, foam baffles, or a polymer protectant to safeguard your stereo from water damage. It is recommended to use a high-gloss polymer with a sealant spray.

Another option is to use an aluminum sheet to cover the speaker and protect it from water damage. Cut a strip of aluminum sheet to size, cover the speaker, and bend the edges of the sheet.

Finally, if you are installing speakers, consider using marine speakers or waterproof speakers, which are designed to withstand water exposure.

Mount the speakers for optimal sound

Mounting the speakers in the correct spots can make a world of difference in the quality of the sound from your marine stereo system. Choosing the right spots can also help prevent inadvertent damage to a speaker and interference with other marine electronics.

The best quality usually results from a pair of speakers in the bowrider area, a pair under the gunwales amidships, and a pair in the aft seating area. If your boat does not have a full transom, place the speakers under the gunwales in the aft cockpit, but avoid pointing them directly at each other to prevent sound cancellation.

If you're mounting box speakers, drill the bolt holes, secure the mounts in place, and sit the speakers down next to them. If you're installing flush-mounted speakers, follow the measure-trace-drill-saw process. Once the holes are cut, make sure the speakers fit properly, but don't affix them in place just yet.

Now, cut the speaker wires to length. Crimp the ends to the stereo's speaker outputs using crimpers and butt connectors sealed with heat-shrink tubing. Route the wires to each speaker using a wire-fish, and secure them in place every eight inches, wherever possible, with wire clamps or tie-wraps. Then, connect the wires and finish securing the speakers in place.

If there's no included gasket to prevent water intrusion behind the speakers or speaker mounting holes, run a bead of silicone sealant around the edges.

Frequently asked questions