Subaru Car Audio UK

Subaru car audio upgrades: the 2026 buying guide

Subaru builds cars for people who actually drive them, and the factory audio rarely matches that intent. Whether you own an Impreza, a Forester, an Outback, a Legacy, a Levorg or an XV, the standard head unit and paper cone speakers leave a lot of performance on the table. A considered upgrade brings back clarity at motorway speed, adds modern smartphone connectivity and keeps every factory control exactly where you expect it. This guide explains what to fit, in what order, and how to budget sensibly.

Head units for Subaru models

The head unit is the heart of the system and the single biggest improvement most owners make. Subaru dashboards accept both single and double DIN units depending on model and year, and the correct fascia adapter makes the finished job look factory.

• Apple CarPlay and Android Auto. Wired and wireless units mirror maps, music and messaging on a clean touchscreen without touching your phone.
• DAB plus radio. Adds national and local digital stations with a supplied aerial, which is a genuine upgrade over older analogue tuners.
• Bluetooth hands free. Legal, clear calling with contact syncing and audio streaming from any modern handset.
• Pre outputs and time alignment. Look for three sets of RCA pre outs if you plan to add amplifiers later.

Speaker upgrades that suit Subaru door apertures

Most Subaru models take common round sizes in the front doors and rear, so replacement is straightforward with the right pods or spacers. Coaxial speakers are the simple drop in choice, while component sets separate the tweeter for a higher, more accurate soundstage across the windscreen.

• Coaxial sets. Best value option, easy fitting, a clear step up from worn factory drivers.
• Component sets. Separate tweeters and crossovers for depth, imaging and vocal detail.
• Speaker adapters and foam rings. Small parts that seal the mounting and stop rattles and lost bass.

Amplifiers and subwoofers

Adding power is what separates a tidy system from a properly capable one. A compact four channel amplifier drives front and rear speakers cleanly, while a monoblock handles a subwoofer. Estate and crossover Subaru models such as the Outback and Forester have useful boot space for an active or passive enclosure without losing practicality.

• Four channel amplifiers. Roughly 60 to 100 watts RMS per channel suits most speaker upgrades.
• Monoblock amplifiers. Efficient class D power for a single subwoofer in a sealed or ported box.
• Active underseat subwoofers. Slim, amplified units that add weight to the low end with almost no boot intrusion.
• Wiring kits. Correctly rated oxygen free cable, fuse holder and earth strap for a safe, reliable install.

Brand quality at a glance

• Pioneer. Broad head unit range, strong smartphone integration and dependable build quality.
• Kenwood. Excellent sound processing and a clear, responsive user interface.
• Sony. Bright displays, refined tuning and a well regarded speaker range.
• Alpine. Premium audio credentials with strong amplifier and speaker options.
• JBL and Focal. Speaker specialists offering serious upgrades in coaxial and component form.
• Connects2 and Autoleads. The UK standard for fascias, harnesses and control interfaces.

Compatibility and fitting

Four parts turn a generic aftermarket unit into a proper Subaru fit. Order them together with your head unit and the job takes an afternoon rather than a weekend.

• Fascia adapter. Fills the dash aperture neatly so the new unit sits flush and looks original.
• ISO harness. Plugs into the factory loom with no cutting, keeping the vehicle wiring intact.
• Steering wheel control adapter. Retains your stalk and wheel buttons for volume, track and phone.
• Aerial adapter. Matches the factory antenna plug to the new unit and preserves signal strength.

Choosing the right screen size and features

Screen size matters more than headline power figures. A single DIN mechless unit keeps costs down and suits older Imprezas. A double DIN touchscreen of six to seven inches fits most modern Subaru dashboards. Floating screen units of nine or ten inches give a modern look where the dash allows the extra depth, so check clearance before ordering.

Installation advice and support

Every order ships with the parts list you need, and our team can confirm fitment by model year before you buy. If you would rather not fit it yourself, any competent auto electrician can complete a plug and play install using the harness and fascia supplied.

Why buy from Bass Junkies

Bass Junkies has been supplying car audio since 1995, and that experience shows in the advice as much as the product range. Our Wolverhampton workshop tests and stocks what we sell, so you speak to people who have fitted these parts to real vehicles. Call 01902 863 005 for model specific guidance, or browse the full Subaru range online with fast UK delivery and genuine aftersales support.