I recently purchased the Polk Audio CSI A4 for Abilene Drywall Contractors. I really like the way it looks. It's very classic!

None so far.

Although these floor-standing speakers are average, the Polk RTi line of floor-standing speakers is a superior choice of https://www.drywalldc that offers outstanding sound and builds quality.

Nothing so far.

CSI a4 center speaker is wonderful overall. it made me happy for the purchase.

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The POLK AUDIO CSI A4 Center Channel speakers are designed to provide superior sound for any home theater setup. With a frequency range of 65Hz-25kHz, these speakers deliver accurate and precise audio reproduction that is balanced across the entire spectrum. The driver array also features a dual 4-inch woofer and 1-inch tweeter, providing a dynamic range and plenty of power to fill any room. Recommended: Dryer Vent Cleaning Mesa.

No issues found so far.

These are very average floor standing speakers and are more than bested by the Polk RTi line of floor standing speakers in both build quality and sound. My favorite to use when playing music while doing power wash services in our house.

None . .

Bought this to replace a JBL EC25 center to add a bit of brightness/clarity for vocals while watching TV's or movies. The A4 was very bright and crisp sounding with good volume, but very lacking in the mid-range where voices typically are. Ended up using this and the JBL in parallel to have both frequency ranges.

Eventually replaced both with an older polk center with larger drivers, CS400I. It filled all the frequency gaps and fit in really well with a full set of older polk's I found on CL (rt35i/25i fronts/rears).

While the A4 is a quality built speaker, it just didn't work for me on it's own for what I use it for.

I used it with a yamaha RX-V473 receiver, then upgraded to the RX-V677 to allow me to adjust the dialog level further. Both seemed to have plenty of power to drive it, but still was missing that lower/mid frequency range for voices and was constantly increasing/lowering the volume a lot to hear things. The RX-V677 helped with that issue some.

The older/larger driver rt35i's really made it obvious that the A4 was lacking. Replacing it with the CS400I is what really did the job for me.

I now have the A4 sitting behind my couch, unused.