Do I need a special adapter for Harman Kardon speakers in my Subaru?

Yes. Harman Kardon equipped Subarus use different speaker connectors than the standard audio system - often on the same car. Use AHH-4431 for Harman Kardon dash speakers on 2015+ Legacy/Outback, 2019+ Ascent, 2022+ WRX, 2024+ Crosstrek/Impreza and 2025+ Forester, and AHH-4434 for 2015-2021 WRX, 2014-2018 Forester, and 2018-2023 Crosstrek/Impreza Harman Kardon systems.

Can I install new door speakers in my Subaru without cutting the factory wiring?

Yes. The AHH-4400 adapter plugs into the factory door speaker connector on 2005-2026 Subaru models (Crosstrek, Impreza, WRX, Legacy, Outback, Forester, Ascent, Tribeca, BRZ) so you can wire aftermarket speakers with no splicing.

Which speaker adapter fits my Subaru dash tweeters?

For standard (non-Harman-Kardon) audio, AHH-4447 fits the factory dash tweeters on 2012-2026 Impreza, 2013-2026 Crosstrek, 2014-2026 Forester, 2015-2026 WRX, 2015-2025 Legacy/Outback, 2019-2026 Ascent, and 2013-2020 BRZ. All applications are verified against Subaru factory wiring diagrams.

Subaru Speaker & Tweeter Wiring Adapters (Plug-and-Play)

These adapters let you install replacement tweeters and door speakers in your Subaru — WRX, Crosstrek, Impreza, Forester, Legacy, Outback, Ascent, BRZ, Tribeca, and the Solterra/Trailseeker/Uncharted EVs — without cutting or splicing the factory wiring. Standard and Harman Kardon audio systems are covered, and every application below is verified against the Subaru factory wiring diagrams. Sold as a Pair!:

(click your model or type it here)

Item Number	Picture	Application (Speaker Position)
AHH-4447 $16/pair		2013-2026 Crosstrek - Non-Harman Kardon - (Front Tweeter) 2012-2026 Impreza - Non-Harman Kardon - (Front Tweeter) 2015-2026 WRX - Non-Harman Kardon - (Front Tweeter) 2015-2025 Outback - Non-Harman Kardon - (Front Tweeter) 2015-2025 Legacy - Non-Harman Kardon - (Front Tweeter) 2014-2026 Forester - Non-Harman Kardon - (Front Tweeter) 2019-2026 Ascent - Non-Harman Kardon - (Front Tweeter) 2013-2020 BRZ - (Dash Tweeter)
AHH-4400 $25/pair		2013-2026 Crosstrek - Non-Harman Kardon - (Front and Rear Door speakers) 2018-2026 Crosstrek - With Harman Kardon - (Front and Rear Door speakers) 2008-2026 Impreza - Non-Harman Kardon - (Front and Rear Door speakers) 2018-2026 Impreza - With Harman Kardon - (Front and Rear Door speakers) 2010-2014 Impreza WRX/STI - Non-Harman Kardon - (Front and Rear Door speakers) 2015-2026 WRX - Non-Harman Kardon - (Front and Rear Door speakers) 2022-2026 WRX - With Harman Kardon - (Front and Rear Door speakers) 2005-2026 Outback - Non-Harman Kardon - (Front and Rear Door speakers) 2015-2026 Outback - With Harman Kardon - (Front and Rear Door speakers) 2005-2025 Legacy - Non-Harman Kardon - (Front and Rear Door speakers) 2015-2025 Legacy - With Harman Kardon - (Front and Rear Door speakers) 2005-2026 Forester - Non-Harman Kardon - (Front and Rear Door speakers) 2006-2014 Tribeca - (Front and Rear Door speakers) 2013-2026 BRZ - (Front Door speakers) 2019-2026 Forester - With Harman Kardon - (Front and Rear Door speakers) 2014-2018 Forester - With Harman Kardon - (Front Door speakers only — see AHH-4434 for rear doors) 2019-2026 Ascent - Non-Harman Kardon - (Front and Rear Door speakers) 2019-2026 Ascent - With Harman Kardon - (Front and Rear Door speakers) Note: does not fit 2015-2021 WRX With Harman Kardon (different door speaker connector — see AHH-4434 for those).
AHH-4430 $29/pair		2023-2026 Solterra (EV) - (Front Door speakers) 2026 Trailseeker (EV) - (Front Door speakers) 2026 Uncharted (EV) - (Front Door speakers) These EV models are built on the Toyota platform and use Toyota speaker connectors (90980-12808). For rear speakers, contact us.
AHH-4431 $33/pair		2022-2026 WRX - With Harman Kardon - (Dash Speakers & Under-seat Woofer) 2025-2026 Forester - With Harman Kardon - (Dash Speakers & Woofer) 2015-2025 Legacy - With Harman Kardon - (Dash Speakers) 2015-2026 Outback - With Harman Kardon - (Dash Speakers) 2019-2026 Ascent - With Harman Kardon - (Dash Speakers & Woofer) 2024-2026 Crosstrek - With Harman Kardon - (Dash Speakers) 2024-2026 Impreza - With Harman Kardon - (Dash Speakers)
AHH-4434 $30/pair		2015-2021 WRX - With Harman Kardon - (Dash Speakers & Front and Rear Door Speakers) 2014-2018 Forester - With Harman Kardon - (Dash Speakers & Rear Door Speakers) 2018-2023 Crosstrek - With Harman Kardon - (Dash Speakers) 2018-2023 Impreza - With Harman Kardon - (Dash Speakers) 2013-2020 BRZ - (Dash Midrange Speaker) 2013-2020 BRZ Rear Quarter Speakers: same connector but with the key notch on the opposite side — the adapter must be modified to fit. Contact us before ordering.

Description:

These adapters are sold as pairs. Applications are verified against the Subaru factory wiring diagrams and confirmed installs, but it is always best to look at the connector on the speakers currently in your Subaru. If you are unsure, feel free to contact us at inquiry@autoharnesshouse.com and we can look up your exact configuration.

Not listed above (different factory connectors — contact us): 2022+ BRZ dash and rear speakers, and dash speakers on 2019-2024 Forester With Harman Kardon.

Related Products:

Subaru Aftermarket Amplifier or Subwoofer Installation
T Harness for Amplifier in Subaru WRX