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Customer reviews

Rating 4.9 out of 5 stars with 48 reviews

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98%
would recommend
to a friend

Customers are saying

Customers are satisfied with the StudioMonitor 45 5-1/4" 2-Way Bookshelf Speaker's sound quality, with many praising its clarity and accuracy. The price point is also a positive factor for many customers, with some noting that it offers great value for the money.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 48 reviews
  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Great quality sound from a bookshelf

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These bookshelf speakers have a nice warm neutral tone. The finish and build quality is excellent. I'm using these with a Sonos Connect Amp in my living room and the SM-45s fit nicely on a built-in bookshelf. They just disappear sonically and the room is filled with clear sound. I have to say, every time I've compared Definitive Technology speakers to the more expensive B&W's, I always prefer the DefTechs. The B&W always sound cold/dry/harsh compared to the warm full sound of the DefTechs. These speakers pack a fair amount of bass for their size also. I only notice the Sonos sub making a difference on serious bottom end material.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great side speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I called Definitive Technology about these speakers and 2 others and they said hands down these were best ones for front speakers. They sound great and easy to set up.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great speaker

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I like how there is a removable cover to protect speaker. Great sound

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality, Value

    Rated 5 out of 5 stars

    Amazing sound.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I paired these up with the larger bookshelf speakers in my retail location of 3500 sq. ft. Completely covers the entire store from corner to corner with great sound. My employees love it, and our customers have given us numerous compliments on our system. Great value for the price.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great sound for such a small speaker!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I purchased two of these for our daily TV viewing needs to free up our home theater speakers to be moved to the new home theater room in our house. These speakers provide excellent sound quality for daily TV, sports, etc.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality, Value

    Rated 5 out of 5 stars

    Nice surround speakers in 5.1 setup

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Previewed in Magnolia Room prior to purchase and then tested at home on 25 year old Carver Stereo system with excellent results in medium sized rooms. Finally added as rear surrounds on my 7.1 Onkyo AVR with Def Tech SM55 fronts and Def Tech CS8040 center channel. System setup as 5.0 pending sub purchase. Very happy with the results and the Best Buy pricing on these can't be beat anywhere. Thinking about another pair for a second system in my home office.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great Speakers for the price

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I already had DT sub and center channel so this completes the set with the bookshelf speakers. Sounds great.

    I would recommend this to a friend
  • Pros mentioned:
    Bass

    Rated 4 out of 5 stars

    Great speaker for the price

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I was looking for speakers for my rear surrounds to match the DefTech SM55 mains that I have. I was debating between these SM45s and the ProMonitor 1000. Both were on sale and the SM45 was cheaper. After listening to the two sets of speakers, I would buy the SM45s even if they were full price. The ProMonitor 1000 was a bit harsh in the highs. These are a more mellow speaker with more bass. Even though they are more mellow they don't sound muffled in the highs or mids. Tough to go wrong with these for under $200.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Perfect

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It gave perfect sound and there were no problems with the wiring.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Definitely worth the money!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I went from the ProCinema 600 speakers to the ProMonitor 800's to the Studio Monitor 45's as my front L/R. WOW! What a difference! With the Studio Monitor 45's, the ProCenter 1000 (I may get a bigger center soon), and (4) ProMonitor 800's as my side and rear surrounds to go along with two SVS PB-1000 subs this makes a great 7.2 surround system. I'm pushing them with a Pioneer Elite VSX-90 AVR. I listened to the ProMonitor 1000's and the Studio Monitor 55's before making my purchase. The SM45's just sounded better and more full than the 1000's and just sounded more clear than the 55's. I couldn't be happier with these speakers.

    I would recommend this to a friend
  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Great replacement for Bose Lifestyle speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy installation, excellent sound. Bookshelf size and attractive look.

    I would recommend this to a friend
  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Great bookshelf speaker

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice size. Great sound. Easy to set up. Just what I wanted.

    I would recommend this to a friend
  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Awesome speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome Speakers! Just awesome. Heard them next to a B&W speakers before buying them and thought they sounded far better. I have always preferred Definitive Technology. Did not want the big tower speakers and these definitely fit in perfectly. These fit in well along with DT Sub-Woofer and ProMonitor 800's for surround.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Great sounding book shelf speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using theses as rear surrounds in my 5.1 setup. Very happy with the sound quality. Music sounds great as well

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Awesome

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The speakers are awesome. I bought 4 of them for my home theatre system

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Awesome speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome speakers, they are built nice and the sound is unbeatable

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Amazing sound quality for the price!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These speakers are amazing. I have had them for three months now and they seem to sound better and better each time. If you're on a budget and already have a sub, I would check these out for sure!

    I would recommend this to a friend
  • Pros mentioned:
    Size, Sound quality

    Rated 5 out of 5 stars

    Awesome!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Big sound from a small speaker. Great as rear surrounds for a home theater setup.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Excellent Speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Two years ago I bought the Studio Monitor 55 and center channel. The salesperson at Magnolia demonstrated many pairs to me, I didn't intend to buy Definitive but I was persuaded after listening to them. So when when BB had the SM45's on sale, I jumped at the opportunity to make these my rear speakers. I am not disappointed

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 4 out of 5 stars

    great rear speakers

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    very good quality sound especially when using as rear speakers

    I would recommend this to a friend
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