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

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  • High efficiency design in a dual-driver bookshelf size gives you more options for high performance audio.
  • 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 5.25 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.
  • 5-way binding post connectors, allowing for more secure hook-up options.

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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
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
Great speakers

Pros: Great price
Great sound

Cons: None

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Ownership: 1 month to 1 year
Verified Owner
5/ 5

Pros: Sounds great in combination with the PSW505 subwoofer

Cons: None so far

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Upgrades from smaller Klipsch units, very happy

Pros: Long time owner of other Polk products. Wasn't hard to pick these. While I am using these as part of a humble 5.1 system as my front left and rights, I didn't expect them, as bookshelves, to have much bass response. I am pleasantly surprised, though that is in comparison to the previous single-driver bookshelves I had before. The high end is fairly detailed and clear, and the boxes themselves feel sturdy and look good.

Cons: None that I can think of. For the price and size, these are good units.

Other Thoughts: For the price and size, if you want a "beefy bookshelf" speaker, these will suit you well. To get lower frequencies, or much louder, you'd need to move up a size category regardless of brand, and for the bookshelf category, these units will please.

2 out of 2 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5

Pros: Big
Clear sound
Loud
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.

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Loud, 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 4 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
never 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.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Impressive 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.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Awesome

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

1 out of 2 people found this review helpful. Did you?
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  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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