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Polk Audio CSI A6 Center Channel Speaker (Single, Black)

4.7 out of 5 stars 82 customer reviews
| 12 answered questions

List Price: $399.95
Price: $350.00 & FREE Shipping. Details
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Only 2 left in stock.
Black
  • A single center channel speaker timbre-matched to fit any Polk Audio home theater or multi-channel music system
  • Two 6.5-inch dynamic balanced drives with polymer composite cones
  • One 1-inch silk composite dome tweeter
  • Features a neodynium magnet, low viscosity ferro-fluid cooling, and a heat sink on the back of the magnet
  • All MDF construction and extensive asymmetric cabinet bracing ensure resonance-free enclosures
15 new from $348.99 4 used from $285.00
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$350.00 & FREE Shipping. Details Only 2 left in stock. Sold by Value_Electronics and Fulfilled by Amazon.

Frequently Bought Together

  • Polk Audio CSI A6 Center Channel Speaker (Single, Black)
  • +
  • Polk Audio RTI A7 Floorstanding Speaker (Single, Black)
  • +
  • Polk Audio PSW505 12-Inch Powered Subwoofer (Single, Black)
Total price: $1,082.30
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Color: Black

Product Specifications

Color: Black
Brand NamePolk Audio
Speaker TypeCenter Channel Speakers
Color NameBlack
Item Display Height7.75 inches
Depth14 inches
Driver Configuration2x 6.5" Mid/woofer, 1x 1" Tweeter
Frequency Response Curve45 Hz - 27 kHz
Speaker Driver Material TypePolypropylene
Maximum Speaker Depth (inches)14 inches
RMS Power Range - Amplifiers200 watts

Technical Details

Color: Black
  • Brand Name: Polk Audio
  • Model Number: AM6615-C|4
  • Color: Black
  • Speaker Type: Center Channel Speakers
  • Item Display Depth: 14 inches
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Compare to Similar Items


This item: Polk Audio CSI A6 Center Channel Speaker (Single, Black)
Customer Rating 4 out of 5 stars (82) 5 out of 5 stars (72) 4 out of 5 stars (1367) 4 out of 5 stars (131)
Price $350.00 $249.95 $233.30 $159.00
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Value_Electronics Amazon.com Amazon.com Electronics Expo
Speaker Connectivity Information not provided Information not provided Wired Wired
Output Wattage 200 Watts 180 Watts 460 Watts 150 Watts
Frequency Response Curve 45 Hz - 27 kHz 55 Hz - 27 kHz 23Hz- 160Hz 48 Hz - 25 kHz
Impedance 8 Ohm 8 Ohm 8 8 Ohm
Color Black Black BLACK Black
Dimensions 24 inches x 14 inches x 7.75 inches 20 inches x 8.75 inches x 6.88 inches 16.13 inches x 18.19 inches x 15.13 inches 7.38 inches x 10.75 inches x 20 inches
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Product Description

Color: Black

Center channel speakers easily carry the 50% or more of center channel info delivered in multi-channel sources for home theatre systems. The Polk Audio CSI A6 Center Channel Speaker has an aimable cabinet to give you placement flexibility and finer sound-tailoring for your high performance home theater system. The CSi A6 features the latest generation of Dynamic Balance polymer composite drivers for smooth wide-range response with low distortion as well as a 1-inch silk/polymer dome tweeter to deliver better sound detail. The dual rear PowerPort bass venting vastly reduces chuffing or port noise. It provides deeper, more powerful, lower distortion bass than other conventional ported or sealed designs can offer. All-MDF construction creates an acoustically inert cabinet. Acoustically inert stamped driver baskets and floating anti-diffraction grilles minimize grille diffraction for spacious, 3-dimenional sound imaging. Neodymium magnet, low-viscosity ferro-fluid cooling and a heat sink on the back of the magnet to create better power handling and reliability. You are assured classic Polk performance in a design that speaks to today's high-end home décor. True performance art.

Product Details

Color: Black
  • Product Dimensions: 14 x 7.8 x 24 inches
  • Shipping Weight: 28.6 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B000V2SEYQ
  • Item model number: AM6615-C|4
  • Average Customer Review: 4.7 out of 5 stars 82 customer reviews
  • Amazon Best Sellers Rank: #15,213 in Electronics (See Top 100 in Electronics)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: September 1, 2007
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Customer Reviews

Top Customer Reviews

Color: Black
I recently replaced all of my speakers, going with all Polk after having a haphazard combo of old Altec 3-way fronts, a Boston Acoustics center channel, and Bose satellite rears. I bought a pair of Polk Audio RTI A7 fronts, Polk Audio RTI A3s for rears, a Polk Audio PSW505 Subwoofer, and this unit for a center. I have to say that after a week I'm really pleased with the performance of the CSI A6. It delivers crisp dialogue for entertainment and sounds really great with music, especially when listening to multichannel audio. These speakers are rated at 55Hz -3dB lower limit, which is exceptional low-end response for a center unit. Like the rest of the RTi-A line the mid- and high-range response are excellent, getting all the way up to 26kHz -3dB upper limit. The unit projects a 3-dimensional sound field that's difficult to pinpoint. The result is a detailed, rich, seamless and enveloping sound stage when listening to 5.1 media.
In comparison to the Boston Acoustics center I used to have this unit has much better high-end and low-end response. Across the board things sound richer and fuller. It has unquestionably enhanced my HT setup. I also briefly tried out a Polk Monitor CS2, but again the CSI A6 wins handily.
It should be noted that this is a pretty big center: it's only 7.5" tall, but 24.25" wide and 14.5" deep. It also weighs ~30 lbs. Make sure you have the space for this.
Fit and finish are excellent.
Read more ›
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Color: Black
This is a great center speaker with very clear vocals and presence. You should always buy the biggest center channel possible since it carries 60% or more of the movie. It will also give your dialogue more presence, overall weight and anchor the system. Timbre matched with all RTi speakers.

CSi5 vs CSi A6: get the one that best matches your system aesthetically, they are both very similar except that the CSi A6 is newer, looks better, little bit on the warmer side and slightly maintains resolution over a greater distance. The CSi5 has a more angular cabinet while the CSi A6 is rounded. Functionally, the CSi5 can be placed upside down and with the shape of its cabinet you could tilt the speakers slightly upwards. This was a plus if you had to mount your center in a location that was a little lower than ideal. It would project the sound upwards toward the listener's ears more effectively. The CSi A6 is not as deep and the height is slightly shorter.

CSi5 7-11/16" H x 24" W x 14-1/2" D (19.53cm H x 60.96cm W x 36.83cm D)
CSi A6 7 3/4" H x 24" W x 14" D (19.68cm H x 60.96c W x 35.56cm D)
Comment 16 of 16 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Color: Cherry Verified Purchase
It is important to mention that this speaker is HUGE! This is the biggest center channel speaker I have ever seen, particularly its depth. Before ordering, make sure that you have enough room. That being said, I am extremely satisfied with this speaker. The center speaker is the most important speaker in your home theater and the A6 doesn't disappoint. This is def a full range speaker and the depth and clarity of the dialog is fantastic. I have pushed this speaker relatively hard and it doesn't struggle at all. The crossover is set to 80Hz but I experimented with 60Hz and the speaker handled it with ease. I highly recommend the cherry finish. It gives the speaker an elegant appearance especially combined with the "teardrop" design. I would highly recommend this speaker to anyone
1 Comment 15 of 15 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Color: Black
I purchased the Polk CS20 and was not very happy. It's a good value at $170, but it was not really as good as the B&W CDM center channel speaker that I was replacing. I have Proac Studio 1's from the mid-eighties and I was trying to timbre match them. I just replaced the rubber surrounds on my Proacs, so I got enthused about improving my sound system for movies and Blu Ray concerts. I was missing some movie dialog and concert vocals weren't as good as they should be. I really wanted the Proac Studio Center, but it is $1,200, so I was being cheap and trying to find something that sounds better for music and movies. My B&W sounded sort of muffled and also seemed to have exaggerated mid bass. Part of that was because it was too big and bulky to angle it up and part of it was that it only had one 5-1/4 inch woofer, so it didn't blend well with my other speakers. My Proac Studio 1's have 6.5-inch woofers, so about the same size drivers as the CS20 and the A6. (The B&W sounded much better when matched with my Proac Super Tablettes, which have 4-inch woofers.) I didn't see this more expensive Polk (A6) center channel until I was researching a replacement for the CS20. I kept the CS20 until the A6 arrived, so that I could compare them. The A6 has more bass and the bass is more solid. Part of that is probably the better drivers and it also has a much heavier speaker enclosure. For testing I set them up on 24" speaker stands side by side so that I could perform an A/B listening test. The CS20 starts to distort much sooner when cranking up the volume at even moderate levels. The midrange is very harsh on the CS 20 unless the volume is very low. The CS20 really strains and the A6 sounds smooth and natural by comparison.Read more ›
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Polk Audio CSI A6 Center Channel Speaker (Single, Black)
This item: Polk Audio CSI A6 Center Channel Speaker (Single, Black)
Price: $399.95
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