Compatible with most 2009 Honda Acura models, this Metra 40-HD21 adapter cable allows you to easily connect your vehicle's radio to an aftermarket antenna.
Q: What is the warranty period for this adapter?
A: The adapter is covered under a 1-year warranty for parts.
Q: Can this adapter be used with all Honda and Acura models from 2009 to 2023?
A: This antenna adapter is compatible with select Honda and Acura models from 2009 to 2023, not all models.
Q: How does the adapter connect to the vehicle's radio?
A: This Metra adapter cable allows you to easily connect your vehicle's radio to an aftermarket antenna.
Customers highly value the Bluetooth feature of the Antenna Adapter for Select 2009-2023 Honda, finding it essential for installing XM Onyx radio with a car kit.
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Compatible with most 2009 Honda Acura models, this Metra 40-HD21 adapter cable allows you to easily connect your vehicle's radio to an aftermarket antenna.

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Enjoy virtually static-free sound with this SiriusXM FM direct adapter, which provides a high-performance wired audio connection to your vehicle's radio. You can still listen to your local AM and FM stations when your Satellite Radio is turned off. Compatible with most SiriusXM, XM and Sirius radio models with a PowerConnect Vehicle Kit.
| Pros for Metra - Antenna Adapter for Select 2009-2023 Honda - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Compatibility, Installation, Ease of use, Overall Performance, Antenna | Installation, Ease of use, Compatibility, Sound Quality, Reception |
| Cons for Metra - Antenna Adapter for Select 2009-2023 Honda - Black | |||
| There were no cons for this product— | There were no cons for this product— | Price | Static, FM Reception |