Polk CSi A4 Upgrade Kit (Single)
$148.00 – $177.00
A budget kit to fix a number of issues with this speaker, kit includes all new crossover parts, along with wire, solder, heat shrink a pair of Tube connectors and your choice to add NoRez to the order. Crossover mounting boards are not included
Additional information
Weight | 8 lbs |
---|---|
Dimensions | 13 × 13 × 4 in |
NoRez | Include, Do Not include -$29 |
Before
![On Axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/On-Axis.jpg?resize=640%2C480&ssl=1)
![Horizontal](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/Horizontal.jpg?resize=640%2C480&ssl=1)
![Vertical Axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/Vertical-Axis.jpg?resize=640%2C480&ssl=1)
![CSD](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/CSD.jpg?resize=640%2C480&ssl=1)
![Impedance](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/Impedance.jpg?resize=640%2C480&ssl=1)
After
![on axis response](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/on-axis-response.jpg?resize=640%2C480&ssl=1)
![horizontal off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/horizontal-off-axis.jpg?resize=640%2C480&ssl=1)
![vertical off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/vertical-off-axis.jpg?resize=640%2C480&ssl=1)
![csd](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/csd-1.jpg?resize=640%2C480&ssl=1)
![impedance](https://i0.wp.com/gr-research.com/wp-content/uploads/2024/06/impedance-1.jpg?resize=640%2C480&ssl=1)
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