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Energy > 
Item#: 9SIA1J70FP0970

Energy EF-500 Tower Speaker Pair

  • Dual 5.5" woofers
  • 1" soft dome tweeter
  • Front-firing port
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The EF-500 is a high-value, compact floorstanding speaker that balances engineering and style. These speakers offer both good looks and sound quality that is rarely heard from speakers in this price range.

The EF-500 features dual 5.5” woofers that produce amazing bass for the speaker size. Instead of a single, larger diameter woofer, the EF-500 uses two, smaller woofers to create a similar large movement of air for deep bass in a more compact, less width cabinet. The 1” soft-dome tweeter reproduces smooth high frequencies, while the waveguide that surrounds it helps to control the tweeter’s dispersion. The high frequencies are aimed directly at the main listening position for a more open and lifelike listening experience. A front firing port allows flexible room placement. The optimized “bass reflex” design creates deep bass using both the air movement in front of the dual woofers and a front-firing port to reinforce that bass with air movement behind the drivers. Unlike rear-firing port designs, the EF-500’s can be tucked-away in a corner if desired.

  • newegg Unparallel Sound Featuring dual 5.5" woofers and 1" soft-dome tweeter, the ENERGY EF-500 tower speaker produces amazing sound with smooth highs, sweet mid-range and shaking bass that greatly exceeds your expectation at the price point.
  • newegg Stylish Looks Besides its ear-pleasing sound, the ENERGY EF-500 tower speaker also comes with an eye-pleasing look. The stylish black ash cabinet radiates a classic, low tone elegance that can fit into any décor. The front firing port also allows easy placement in your room.


Learn more about the Energy EF-500

Model

Brand
Energy
Model
EF-500

Spec

Type
Floorstanding Speakers
Sold As
Pair
Driver Units
1 x 1" tweeter; 2 x 5.5" woofers
Power Rating
Amplifier Power Output: 100W long term / 140W short term
Frequency Response
48Hz - 20kHz +/- 3dB
Nominal Impedance
6 ohms
Sensitivity
89dB (2 speakers in a typical room)
Remote Control
No
Dimensions & Weight
Overall Dimensions (H x W x D): 35.8" x 7.1" x 9.4" / 90.9cm x 18cm x 23.9cm

Features

Features
Balances engineering and style

Offers both good looks and sound quality

Dual 5.5" woofers produce amazing bass for the speaker size

1" soft-dome tweeter reproduces smooth high frequencies

A front firing port allows flexible room placement

The stylish black ash cabinet is designed to fit into any décor

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Energy EF-500

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  • Sandra G.
  • 1/22/2014 1:13:17 PM
  • Tech Level: Somewhat Low
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPaid $129.99 each Am I dreaming>

Pros: Made By KLiptch. Reviews here even at the reg price of 599 here. $129.95 each, free ship at that sale.

These are not 3500 each speaks but I was amazed at the sound. I surely did not expect much, wondered if it was a closeout. It was not.

Cons: Well, not a true knowlegable Audiophile, I would think only we would be happy with the lows, actually amazed, but the highs might be better. $129.95 sale, Money's Worth, Personal Con, would have liked option of wood look

Other Thoughts: I am not sure I would have even looked at these at the normal price. When it came to my email, as I had only purchased a Kamon Hardon 3700 receiver for 749, I read the reviews here and those that tested. I could not find bad reviews for those that knew at what level speaker you were buying, When I read a review at another site and know their reviews, they said no not this or that, but not too much from it, speaking of a higher cost, higher end Kliptch, I was not expecting mush and said, for that price, I could use tham as the 7,2 receiver as sides. Been Running as Fronts. However, Negegg had the Polk 75Ts for $199 each right now, picked up two (see that review if approved in a few days) They moved to the front. Added from newegg the PSW10 Sub, $99 and newegg givers you a 30 Gift card. $70 for this polk sub, no brainer.

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

  • Justin S.
  • 11/4/2013 7:20:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood for small room

Pros: Small, simple design
Light
Good clean sound

Cons: Lack some output
Not much low end (didn't expect it)

Other Thoughts: I bought these to replace a pair of 5.25 Sony bookshelf speakers that were serving as the mains for my small room home theater.
I'm happy with the overall performance and sound quality, however, in going from a single 5.25 bookshelf to a dual 5.5 tower speaker I was underwhelmed with overall output.
They lack bass, but I wasn't looking for much in that area as I have a high output custom 12" sub to cover the lows.
At the $99 discount price I paid these are well worth it.
The regular price of $600 would be a very, very bad purchase.

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  • Richard C.
  • 6/14/2013 10:32:44 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSurpassed ALL Expectations!

Pros: I've had these Energy EF-500 speakers for about 7 months and absolutely LOVE them! They are a key feature of our entertainment system in our large (20ft x 28ft) family room, and they fill the room with high quality sound with NO problem at all. They reproduce crisp highs, rich mids, and punchy lows; however, they are not intended for deep bass, so I have them pared with an Onkyo 10" powered sub. A first-impression, tell-tale sign of most high-end speakers is that they sound 'tight' at first and require a 'break-in period' to deliver their full spectrum of sound (cheep speakers typically sound as good as they're going to get when first hooked up). When I turned on my receiver after hooking them up, these EF-500s indeed sounded very tight. I was initially doubtful that these would sound much better after the break-in period, but after several days of use they loosened up and blew us away.

My son-in-law has a similar setup in their home with Klipsch Synergy F-20s (similar-ish design), and these Energy EF-500s sound just as good (if not better). Not surprising if you consider that Klipsch Group is the parent company for Energy speakers...

Cons: I paid $99/pair for them on sale Oct 2012, and I should have got two pair. Will probably never see that price again...

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  • Kyle D.
  • 3/12/2013 6:07:53 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood Value

Pros: Hard to go wrong for a c-note. These are doing great as rear surround speakers, and could be primaries in a small to medium room. They don't require much power and can handle a fair amount.

Cons: Coated paper drivers, not made in the USA, and the bass could be lower, but are still better than expected.

Other Thoughts: n/a

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  • Anonymous
  • 3/9/2013 7:54:00 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsGlad I got them when I did!

Pros: Great sound, look great, pretty sturdy.

Cons: Could use some better feet, especially at the price they're charging for them now.

Other Thoughts: I bought these speakers in a kit that included the center channel and surround speakers. Glad I bought them when I did because the whole kit cost me less than $300, which was obviously a HUGE bargain. The sound is nice and smooth, no real harshness to be found at all. The bass is a bit lacking, but that's what they make subwoofers for. All in all they are a great set of speakers considering most speakers that compare would cost you what they currently go for, each.

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  • Michael W.
  • 1/4/2013 3:09:55 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSurround Sound

Pros: Great looking towers. Sound is amazing; crystal clear even at high volume. Good down to 50Hz. I have two pair, one pair for front left/right and one pair for rear channels.

Cons: None at all.

Other Thoughts: Paired this with the Pioneer SW8 sub and a Denon AVR-391 receiver for an outstanding theater and music experience.

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  • Sandra G.
  • 12/15/2012 2:21:18 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsA No Brainer

Pros: Cost. So many picked these up on Black Friday for $99, I got them at $129, free shipping. These immediately replaced my Samsung HT Set.

Cons: I did not buy 4 more pair when on sale. Other than this, if they hold up for 5 years, that would be 7 cents a day for the cost delivered.

Other Thoughts: This was an absolute no brainer when I came across these. Would never have looked at the present price of $599, although still can be had elsewhere for about $300 if you look hard enough. I kick myself for not realizing, while totally realizing it was NOT to good to be true. If you get these under $300, you will not be sorry.

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

  • Ethan C.
  • 10/29/2012 8:47:47 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood Speakers, Good Price

Pros: The mids and highs very good.
Not too heavy, so moving them around was very easy.
Excellent for the price (especially if you can get them on sale).

Cons: The base isn't great, but with no sub-woofer, that's to be expected. Also, these are 6 Ohm speakers, while most low-end speakers are 8 ohms, so a lot of cheap receivers won't work as well with these (though higher end ones generally will).

Other Thoughts: They look nice and they're WAY better than the built-in speakers on the TV.

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  • ROBERT D.
  • 10/22/2012 4:58:03 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs$99, no brainer

Pros: Price
Surprisingly good mid's and highs
Value

Cons: not the best looking speakers I ever saw
not the best bass (but that is what a sub is made for)

Other Thoughts: For under a hundred bucks, you cannot beat this price. These sound better than the Polk 50's or 60's IMO. When I first got them and played through my Denon AVR-2313, I was kinda nervous. But after a couple of days I noticed how amazing they were. No fatigue like the Polk's at ALL. I can listen to these for hours. You DO need a sub though, if you like bass. These aren't the bass champs of the world, but they aren't supposed to be, they go nicely with my Martin Logan 5.1 set up. I'd say these are twice the price at least. If you need an economical set of speakers for your HT, and you are not some douchie audiophile who needs 5K worth of speakers to be cool, grab these, you wont be sorry!

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  • Wei L.
  • 10/20/2012 11:07:30 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsUnbeatable value! no brainer buy.

Pros: Efficient and dynamic. The top end and midrange manages to be open, articulate, and detailed without being harsh or edgy. Relatively forgiving when it comes to pairing... it shines with great electronics. Performs well above its price class for sure. The light weight build doesn't show up in its sonics i.e. no bad cabinet resonances.

Cons: The only fault I hear is the slight lack of cohesion between the Top and Bottom bands. The lower frequencies are less refined and can't quite keep up with the upper frequencies in terms of timing and refinement.

Other Thoughts: I guess Klipsch thinks its easier to market this speaker under the Energy label than the original Jamo label. Its a great speaker never the less.

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Item#: 9SIA1J70FP0970
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