AIYIMA 6.5 Inch Subwoofer 80W & Bass Reflex Port Tube / Woofer

I purchased this with the intention of building my own speakers during the COVID-19 pandemic, but I haven't had the time to make them. I'm listing them as they have been stored unused.
(Although they are new and unused, they have been stored for about 5 years, so there may be some age-related deterioration.)

This is a set including a 6.5-inch high-power subwoofer unit from AIYIMA and a matching bass reflex port (65mm opening diameter).
If you prepare the enclosure (box), you can immediately start building your own deep bass speaker.

[Set Contents]
1. Speaker Unit
Manufacturer: AIYIMA
Size: 6.5 inches
Output: 80W
Impedance: 4Ω
Condition: Unused (opened for photography)
Use: Bass enhancement for bookshelf speakers, subwoofer construction, car audio, etc.

2. Bass Reflex Port (Bass Reflex Tube)
Opening Diameter: 65mm
Condition: Unused

[Important Notes]
* Although I bought this with the idea of making speakers, I am a beginner in DIY audio and do not have specialized knowledge such as wiring diagrams or specific connection methods.
Therefore, I cannot answer technical questions (such as compatibility with amplifiers or connection methods). Please understand this in advance.
We ask that only those who understand the specifications and can utilize them purchase this item.

[About the Condition]
After purchase, it was stored indoors in its box.
Although it is an unused item, as it is a DIY part, there may be minor manufacturing scratches from the beginning.
Please refrain from purchasing if you are looking for perfection.

[Shipping]
Due to the strong magnet of the unit, it will be shipped with ample cushioning material for protection.

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