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Polk Audio > 
Item#: N82E16882290269

Polk Audio Monitor Series New Monitor 45B Two-Way Bookshelf Loudspeaker (Black) Pair

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  • Total Frequency Response: 47Hz-25kHz
  • 8 Ohms 20-125 watts per channel
  • 89 dB

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Polk Audio Two-Way Bookshelf Loudspeaker
The name "Monitor" adorned the speakers that first made Polk famous. Monitor means simple, sturdy construction, clear, accurate sound, powerful bass and superior imaging (all at a surprising price). This new Monitor is classic Polk: a quality-built, affordable line of high performance loudspeakers for music and home theater. They are highly efficient, so they can be driven easily by unpretentious receivers, and they are voice-matched for lifelike surround sound environments. The Monitor Series boasts a stylish look that complements today's flat screen technology, with wood grain finishes and modern Titanium faces. Built for sound quality and value, the Monitor Series is a great introduction to high performance sound.

The New Standard for Classic Performance

High efficiency design in a dual-driver bookshelf size gives you more options for high performance audio. Let the 45B reveal the classic Polk sound (open, spacious and clear) in mid- to large-sized rooms (driven by even a modestly-powered amp or receiver). The 45B mounts on the wall, or on stands (available separately).

Monitor 45B Features:

  • 1-inch (25mm) silk/polymer composite Dynamic Balance® dome tweeter with powerful neodymium magnet structure delivers clear and detailed high frequency response for realistic reproduction of vocals and instruments.
  • Dual 5-1/4-inch composite Dynamic Balance drivers are lightweight and stiff with good damping for high efficiency, excellent bass and midrange clarity with lower distortion.
  • Small-diameter driver design delivers wide dispersion, better mid-range, and more detailed bass response for an open, "box-less" three-dimensional sound.
  • Non-resonant all-MDF enclosure construction with 3/4-thick baffles ensures cleaner, clearer, more lifelike sound quality.
  • Crossovers use mylar bypass capacitors for more detailed high frequencies.
  • Five-way binding post connectors, allowing for more secure hook-up options.
  • Monitor Series speakers are modern living accessories that make a stylish statement in either black or cherry wood grain finish, with Titanium faces.
  • Critically tuned flared port minimizes port noise (chuffing) for good low frequency extension with low distortion, resulting in natural, full-bodied sound with rich bass.
  • All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry's most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.

Learn more about the Polk Audio New Monitor 45B

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the Polk Audio New Monitor 45B

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  • Anonymous
  • 4/6/2016 7:58:20 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Big
Clear sound
Haven't noticed any distortion
Great price
Newegg delivered quickly
They work great as surrounds but are probably about as good as my tower speakers these things are awesome.

Cons: Definitely need space for them so while I'm using them as rear speakers I could definitely see them being too big for a lot of people's spaces.

Other Thoughts: Great deal at $149, I would definitely recommend them.

Did you find this review helpful? Yes No

  • Joel H.
  • 3/29/2016 2:19:03 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsLoud, Clear, High Quality

Pros: Loud!
Crystal Clear
High quality, Polk is known for solid products that last
Simple, sleek design
Surprisingly light

Cons: Large, very, very large

Other Thoughts: They are big but if you wall mount them, using an aftermarket kit, their footprint can be moved off your desk.

2 out of 2 people found this review helpful. Did you? Yes No

  • Michael C.
  • 6/9/2014 9:23:23 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsnever dissapointed

Pros: Polk Audio always delivers

Cons: None - at least not yet

Other Thoughts: I've always loved Polk Audio and this set doesn't disappoint. Works as advertised.

Did you find this review helpful? Yes No

  • Bobby M.
  • 5/14/2014 8:01:59 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsImpressive and Inspiring

Pros: Great Looking!
Produces good clean accurate sound for the price!
Have them placed on speaker stands which look great!
I'm am very impressed with these speakers.

Cons: none

Other Thoughts: I don't consider myself an audiophile but I'm definitely learning and being able to tell some major differences between certain hardware and file types. Hoping someday to own a pair of really nice speakers, I saw these on sale and for the price I picked these up for now and boy am I glad I did. I did add a Polk PSW108 just to reach into the lower 40-60hz range better for a pretty full sound although they do sound very good still by themselves. I'm also using a simple stereo receiver giving each channel 100w and also an Asus Essence STX. I've also used them for some recording and mixing in Garageband, but I never get tired of listening to my music. I love these speakers.

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  • Cody H.
  • 5/3/2014 8:38:08 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome

Pros: Bought 4 of these for surround sound speakers, cannot afford my main speakers yet so I use these until then. I have to say, I am not sure I will need two big front speakers...these things really put out some good sound.

Crisp, clear and loud. what more can you ask for.

Cons: none yet

0 out of 1 people found this review helpful. Did you? Yes No

  • john c.
  • 4/9/2014 6:06:51 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorth the money I paid

Pros: Once broken in they sound very full;
fairly attractive in a generic kind of way;
solid and heavy;
Best used in a smaller enclosure, with a sub and or as a satellite (which is what I've done)

Cons: The MDF and the faux wood covering appear to be rather cheap;
they are bigger in reality than they appear in the picture (be sure to measure your space);
As a wall mounted satellite thy will require a heavy duty mounting bracket.

Other Thoughts: I use these as rears in a 5.1 that includes Monitor 60 II, a CS 11 center, 10" sub and a Pioneer vsx 1122. I paid under 100 and don't think I'd be as pleased with them if they were my mains or if I had paid full price

1 out of 1 people found this review helpful. Did you? Yes No

  • George H.
  • 3/7/2014 5:15:12 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery Satisfied

Pros: Clear sound, nice looks, banana plug terminals

Cons: none so far

Other Thoughts: Purchased these to replace my 10 year old floor standing Advent speakers. They are my L & R front speakers in my 7.1
surround setup. Also have Polk subwoofer in the mix.
very satisfied with the sound from movies and music.

1 out of 1 people found this review helpful. Did you? Yes No

  • Darrell S.
  • 1/23/2014 2:12:23 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsPolk 45B Speakers

Pros: Best speakers I've owned to date. I'm not an audiophile but the sound is clear & distinct. No hissing or humming. Nice wiring connections. I use these for stereo music as well as front speakers for HD audio on movies.

Cons: I've only owned these for a little over a month, no cons so far

Other Thoughts: From midlevel to high volume these speakers are fantastically clear. At low volume the clarity drops off some, which is probably true for most speakers.

4 out of 5 people found this review helpful. Did you? Yes No

  • Kendahl M.
  • 11/15/2013 11:09:15 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSuprisingly good

Pros: Great price for the pair.
When you turn them up, there is more than enough bass to shake the walls of a small room such as a bedroom without having to pair them with a subwoofer.

Cons: Not biwirable?

Other Thoughts: These are much larger than other bookshielf speakers.
They probably won't fit on your desk with your computer monitor, but they aren't tall enough to stand by themselves.
You wouldn't really wall mount them and they don't aren't threaded to accept a wall mount anyway.

1 out of 3 people found this review helpful. Did you? Yes No

  • Seph M.
  • 10/18/2013 7:05:34 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsFantastic value

Pros: Compact, affordable, fantastic sound, good bass for bookshelf speakers. Great clarity. Sweet looks, too.

Cons: Can't cheap out on speaker stands like I'd prefer to, as they're somewhat heavy.. Bass sounds great but doesn't get all the way down into the lower frequencies.

Other Thoughts: I'm not very well versed in stereo tech, sound apprecation, etc. but I know these are a big step up in sound quality from a Logitech Z5500 set. Less bass than the Z5500, but what you do get is so much clearer and better-defined that you won't mind. Z5500 hits lower frequencies but is muddy enough that it's harder to tell them apart. No such problem with this. Paired with a Sony STR-K502 that I was given. I could use a step up on the receiver front, but I'm quite happy with it, and somewhat blissfully ignorant as this is my first "real" stereo, ie. not an all-in-one unit or computer speaker package.

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16882290269
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