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Cambridge Audio Minx Min 21

Ultra-compact satellite speaker (White)

16 Reviews | 3 questions - 16 answers

Item # 779MINX21W

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Our take on the Cambridge Audio Minx Min 21

Cambridge Audio's Minx Min 21 proves that great, soul-stirring sound can come from incredibly small speakers. Hook a set of these babies up to your home theater system and get ready to hear extraordinary levels of power and sonic refinement that'll send chills down your spine. Designed for hi-fi sound on a low-fi budget, the Minx Min 21 will instantly fill your living space with a tonal quality that has to be heard to be believed. You'll be blown away by the accuracy, detail, and realism from this stacked speaker that measure just 6" high and less than 4" deep. Whether you're looking to maximize your music or movie experience or add depth to your favorite TV shows and sports events, the Minx Min 21 is waiting to reveal what you've been missing.

The sound of Cambridge Audio

Cambridge Audio's Minx Min 21 proves that great, soul-stirring sound can come from incredibly small speakers. Hook a set of these babies up to your home theater system and get ready to hear extraordinary levels of power and sonic refinement that'll send chills down your spine. Designed for hi-fi sound on a low-fi budget, the Minx Min 21 will instantly fill your living space with a tonal quality that has to be heard to be believed. You'll be blown away by the accuracy, detail, and realism from this stacked speaker that measure just 6" high and less than 4" deep. Whether you're looking to maximize your music or movie experience or add depth to your favorite TV shows and sports events, the Minx Min 21 is waiting to reveal what you've been missing.

Note: These great-sounding satellites require a powered subwoofer.

Cambridge Audio Minx Min 11 Lifestyle shot

Engineered with passion

Building upon the highly regarded original Minx Min 20, Cambridge Audio engineers carefully designed the Minx Min 21 at their London facility to deliver even more refined sound, including greater bass extension for better sonic matching with a powered sub. This overachiever rewrites the rulebook of what's possible from miniature speakers thanks to BMR (Balanced Mode Radiator) technology. BMR drivers use a flat speaker surface that combines the traditional "pistonic" movement of speaker cones with a "bending-wave" movement to create sound. It's what allows the Minx Min 21 to cover a much wider frequency range than comparably sized speakers. You'll also experience a much broader sound dispersion across your entire room, for the most enveloping sound imaginable. Plus, the compact, acoustically damped cabinet offers extreme rigidity, so you hear pure, clean sound no matter how intense your movies get.

Speakers that fit your lifestyle

Naturally, you want your speakers to fit into your home, rather than having to design your living space around your system. That's why the compact Minx Min 21 satellites can be mounted to your wall, placed on stands, or positioned on a tabletop using optional hardware. You can mix and match between colors, or use the Minx Min 21 models in the front of your room with smaller Minx Min 11s in the back.

size comparison

Minx speaker size comparison (from Left to Right): Min 11 satellite speaker, Min 21 satellite speaker, X200 subwoofer, X300 subwoofer, X500 subwoofer

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Product Highlights:

  • frequency response 120-20,000 Hz
  • recommended amplifier power: 25-200 watts
  • sensitivity 88 dB
  • 8-ohm impedance
  • Balanced Mode Radiator driver technology creates a wide soundstage
  • dual 2-1/4" BMR full-range drivers
  • ultra-compact push-pull neodymium magnets
  • acoustically damped thermo-polymer and extruded aluminum cabinet
  • scratch-resistant high gloss lacquer finish
  • binding post terminals
  • included key hole slot wall mounting bracket
  • screw hole for use with optional pivoting wall bracket, floor stand, or tabletop stand
  • 3-1/8"W x 6-1/8"H x 3-3/4"D
  • weight: 1.88 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee

What's in the Box:

  • High-gloss white satellite speaker
  • Silver grille (installed)
  • 6mm machine screw (installed)
  • Key-hole slot adapter
  • 4 Self-adhesive rubber feet
  • Installation Guide

Been looking for satellite speakers for a while and these fit the bill perfectly. Sound great and look great!

Jr, North Carolina


Cambridge Audio Minx Min 21 Reviews

Average Customer Review(s):

(16 Reviews)

Love them

Jr from North Carolina on 8/20/2015

Crutchfield Customer Review (What's this?)

Been looking for satellite speakers for a while and these fit the bill perfectly. Sound great and look great!

Pros: Small in size. sound great

Cons: No cons on the speakers..just know if you buy the wall mounts with them, it doesn't come with wall screws

Great speakers in a small size

Bryan from New York on 8/11/2015

Crutchfield Customer Review (What's this?)

I have a 5.1 surround system consisting of 5 Minx Min 11's and the CA x300 subwoofer. As most other reviews state, these speakers sound better after they've been played for a while. They have a very clear and detailed sound that fills up my 10'X12' tv room nicely. You absolutely do need the subwoofer with these as they do not produce a lot of bass on their own. When combined with the x300, this is a pretty great-sounding system that does not take up a lot of space. The cabinets are stylish and the finish is attractive, especially the white ones. I recommend the Cambridge Audio floor stands for these, as they allow you to get some distance between the speakers and the wall. The design compliments the speakers nicely, too. The stands are overpriced, though, IMO.

Pros: Small and discreet Stylish design Great sound for such small speakers

Cons: Better for movies/TV/games than for music Not cheap

Love these speakers!

Eric S from Florida on 6/3/2015

Crutchfield Customer Review (What's this?)

I bought these to replace a 5 speaker set of Paradigm Atoms and cc-150 center channel. I mostly wanted to get smaller speakers that I could mount to the walls instead of having 4 stands in my room. I had read several tests of these speakers that were very favorable so I figured they were worth a try with Crutchfield's 60 day return policy. I had read that they need a long break in time, but they sounded good right out of the box. The sound got noticeably better after about 30 hours. The best thing I can say about these speakers is they just sound right. Much clearer vocals then the Paradigms. They sound very well balanced and have an incredibly wide soundfield, they just blend in and sound great. My Marantz NR-1603 is plenty of power for them and I am using a Klipsch 12" subwoofer that blends well. The only low point of these speakers is that they don't go that low in the bass, in certain listening scenarios there seems to be a little hole in the mid to upper bass, but I expected this with the smaller drivers and it is not really an issue. My room is large, 20x22 and they fill it just fine. I am very impressed with these speakers and highly recommend them.

Pros: Wide soundfield, awesome neutral sound, beautiful finish, small size

Cons: A little lacking in mid to upper bass.

Very impressed

ChHawkeye from Kentucky on 4/20/2015

Crutchfield Customer Review (What's this?)

I bought these at the sale price as front speakers for 5.1 set up. I have a small space, and these speakers fit well. Most importantly, I'm Very Impresses with the sound! I've been a fan of Cambridge Audio since the late '80's, and the Min 21 continues the legacy of audiophile quality sound at a reasonable price.



Impressive Speakers

RC from Massachusetts on 4/17/2015

Crutchfield Customer Review (What's this?)

These minx21's are impressive. Without question you need a sub to enjoy the full benefits of the speakers. I use this strictly as a 2-1 set up replacing a set of Mirage OM9's. Do they match the sound and power of the 9's? No but they come pretty darn close. The crispness and detail in the music are impressive for such a small speaker and at a great price. Hands down if you are in the market for a small speaker system for a family room with a sub these are the speakers for you!

Pros: Small footprint impressive sound (Wife loves them)

Cons: Need sub but I have no problem with this

Outstanding (mini) center speaker

JohnP from Roanoke, Virginia on 3/30/2015

Crutchfield Customer Review (What's this?)

I already had the Cambridge Audio Minx S215 5.1 set-up for my home theater but was not completely satisfied with the center speaker. I thought I'd try replacing the center with the larger Minx 20 which happened to be on sale, so a good opportunity. Yeah, it's noticeably better as expected. Good upgrade for the money.

Pros: Matches my current S215 system in black. Looks great. I have the front Minx 10's wall mounted and the rears on stands, the Minx 20 under the wall mounted TV and the sub on the floor. It's a clean look, especially compared to my former, and much larger footprint Canton 5.1 set-up.

Cons: None really. It's a small system so you know what you're getting.

Very good product, especially if the size is highly important

Mark H from Maryland on 3/30/2015

Crutchfield Customer Review (What's this?)

I bought a pair of the Minx 11's (1/2 the size of the 21's) am using the small cube 11's for rears. They do a fine job, and so when I thought about new main speakers for use with a radio/receiver in a different room, I considered the size and mounting. My room was such that a small stealth install was very important. So, knowing I liked the smaller Minx 11's I decided to roll the dice and purchase these 21's + the separate Cambridge mounting brackets. I found the brackets to be a tad expensive but they work perfectly so I have no regrets at all - I do recommend the optional mounting brackets. I have the Minx 21's in a small room, and have a 10" powered subwoofer. I found I have the volume down on the sub more than I expected. These tiny Minx 21 speakers just can't product significant bass (they are small, smaller than a single brick and they weigh less than 2 lbs) but they produce much more than I was expecting. The sound is quite clear, the appearance is great (I have them wall-mounted just behind a sheer white curtain and you don't even notice the speakers in the room until you look for them). I think overall, considering the size, considering the cost, and considering the appearance of the product, I do recommend these speakers. Consider also the sound quality and I think you'll be pleased overall.

Pros: Small Good quality sound Cost

Cons: None, as long as you know these are small, lightweight speakers and as such they could use some help with bass by having a subwoofer- that should come as no surprise but I was surprised how much sound can come from these little boxes.

Great for satellite but less so for music

Familyman from Apple Valley, MN on 3/29/2015

Crutchfield Customer Review (What's this?)

Very well made speaker, attractive, compact and good value at the sale price. Unfortunately, sound just wasn't full enough for my main purpose, music listening. Seems like an excellent choice as a compact home theater sattelitte speaker. Trading up to a compact speaker with greater range. Thanks Crutchfield for the excellent support and advice on the trade in. Great experience overall from a customer service standpoint.

Pros: Compact, stylish, good value

Cons: Short on full range of sound for music

Great product

D from Missouri on 1/4/2015

Crutchfield Customer Review (What's this?)

These are great sounding and small enough to easily blend well into modern decor. Easy to install with separate brackets.



Cambridge Audio Minx Min 21

David B from Belmont NC on 11/18/2014

Crutchfield Customer Review (What's this?)

Although not cheap, great value and great sound in a small package. Definitely able to fill a family room with a clear, crisp sound!



Family room fit!

Geoff C from Fairfield, CT on 9/29/2014

Crutchfield Customer Review (What's this?)

Having completed a remodel of the family room we wanted to update our home theater speakers. Purchased a pair of these little dynamos based on the recommendation from a Crutchfield tech person. We were limited on the center channel speaker dimentions given the new design height between fireplace mantel and lower edge of TV so went with a PSB Alpha CLR1 center and were told the Minx min 21s would pair well. (have a couple of options for the sub that i'm still trying). I let them break in for a a while and recently had daughter and friends watching the Nightmare before Christmas. A musical, so plenty of opportunities to hear effects, music, dialog, and so many different characters unusual voices. I know the center was doing lots of work at the same time (it's great, see other review) but the Minx21s as front left and right speakers helped fill the room with rich sound and I never detected anything the least bit tinny or felt that they were lacking the power to fill a good size room (sitting back 12 feet from speakers, and having 12 ft ceilings). I'm not anywhere near an audio geek, but I do love and appreciate great music and great sound. I have the Energy micro theater (5.1) set up for the "man cave" which is a much smaller room. Those sound great in there. These sound just as good in a bigger room.

Pros: Tiny size great sound sleek black design

Cons: none yet perhaps not the greatest if you want room filling tunes from your collection of vinyl

Minx Min 21 Review

Murph from Sacramento, CA on 7/19/2014

Crutchfield Customer Review (What's this?)

I am using these speakers as Front Presence speakers in my 9.1 home theater system. They are bright and clear and really add another dimension to the sound produced by my Yamaha Aventage preamp. My wife likes the fact that the speakers are small and fit in well with our family room.

Pros: Size, sound, and price

Cons: Haven't found any as yet


Anonymous from San Francisco on 5/13/2014

Crutchfield Customer Review (What's this?)

Great sound from such a small package. Very clear with no distortion even on higher levels. This replaced my 300 series speakers from a decade ago which I loved, but these are far superior in every way. I use them mainly for TV Surround sound , but also use them for music and gaming.

Pros: Small package. Looks. EXTREMELY CLEAR SOUND.

Cons: None so far

so good it's scary

Paul from New Britain, PA on 2/21/2014

Crutchfield Customer Review (What's this?)

I've been using a Minx 2.1 system (Minx 10's and Minx 200 sub from Crutchfield) for about 2 years as TV speakers, and stereo now and then. Crazy good for TV and movies, acceptable for stereo, but nothing to write home about. I'm using Music Hall amp and CD player, about $1500 for the pair, and I'm pretty particular about having clean sound. Thought I'd upgrade to the Minx 21's to see if there was much difference between the 21's and the 10's for music listening. Out of the box they sounded pretty amazing, a huge leap from the single driver 10's., I couldn't be happier. My room is a converted porch room 12'x16' with hip roof, 14' to the peak. I've had Totem Mites and Arros in there, also Meadowlark Kestrels, even mounted Allison 4's. Nothing sounded great in there except the Minx 21's. Even my wife noticed how great they sound. Go figure. Go and buy the 21's, but you may want to use them with a larger sub than the 200w Minx sub, depends how loud you like to listen.

Pros: Very wife friendly, I have them mounted on the Minx stands, more efficient than the 10's, the drivers are slightly different, with the top being the conventional Minx driver, and the bottom speaker has a longer throw that puts more growl in the bottom end.

Cons: none

Cambridge Audio Minx Min 21

Mark F. from Michigan on 5/4/2013

Crutchfield Customer Review (What's this?)

These are probably the best sounding mini speakers out there, but by themselves, they do not do bass. They cast a spacious, detailed soundfield and are great for casual listening.

Pros: compact size, well built, good through the upper frequencies and upper midrange, cast a wide, unified, yet detailed soundfield

Cons: a bit pricey, require a bass module for ful range sounds (but this limitation applies to all compact speakers)

Dialogue sounds cold and highs a bit shrill/harsh

Tennyson from Rocklin, CA on 4/8/2013

Crutchfield Customer Review (What's this?)

I really wanted to like these, but I've used them for 3 weeks and found movie dialogue to be cold sounding and the highs to be a bit shrill or harsh. The sound quality did improve noticeably after the first week, but was stable after that. The improvement was surprising as I haven't noticed other speakers requiring break-in. The high frequency response is much better than the dual driver Bose cubes (from an acoustimass 15 system), but the dialogue sounds more tinny and cold. The speakers were driven by a Harman Kardon AVR7000. After some experimentation, I found replacing the center speaker of the Bose system with an ESS heil driver greatly improves the high frequency response while also providing clear dialogue. I'm planning to go with this combination rather than use the Minx MIN21's.

Pros: better high frequency response than bose satellites

Cons: dialogue sounds cold/tinny, highs sound a bit harsh/shrill


Hands-on research

Features and Specs

Enclosure Acoustic Suspension
Video Shielded No
Tweeter Type N/A
Tweeter Size (inches) N/A
Midrange Size (inches) 2.25
Woofer Size (inches) N/A
Woofer Composition N/A
Woofer Surround N/A
Power Range 25-200
Sensitivity 88 dB
Impedance (Ohms) 8
Frequency Response 120-20k Hz
Connector Type Post
Bi-amp Inputs No
Height (inches) 6-1/8
Width (inches) 3-1/8
Depth (inches) 3-3/4
Weight (pounds) 1.88
Mounting Bracket Included Keyhole
Recommended Stand Height (inches) 31-36
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research

Driver Technology
Enclosure Design
Mounting Options

Driver Technology

Minx Satellite Speaker: The Cambridge Audio Minx MIN21 satellite speaker provides accuracy, detail, and realism from a compact speaker. Its wide dispersion capabilities make it easy to integrate into any room. The Cambridge Audio Minx MIN21 is designed to be mated with your choice of Cambridge Audio Minx Subwoofer (779X200W, 779X300W, 779X500W; sold separately).

BMR (Balanced Mode Radiator) Technology: The Cambridge Audio Minx MIN21 satellite speaker features dual 2.25" BMR (Balanced Mode Radiator) drivers. The Cambridge Audio BMR driver utilizes patented 'bending wave' principles normally seen in advanced flat-panel speakers, combined with piston-movement (backwards and forwards) like in a traditional speaker design. This type of design provides the Minx satellite speaker with a much wider frequency response and deeper and more powerful bass frequencies, plus incredibly spacious sound. The BMR driver design also adds value by delivering a much broader sound dispersion across the entire room, avoiding the typical "sweet spot" pitfall, for a more enveloping sound.

Rubber Surround: The 2.25" BMR (Balanced Mode Radiator) driver employs a rubber surround for added durability and excursion.

Neodymium Magnets: The BMR driver utilizes ultra-compact push-pull neodymium magnets for greater efficiency.

Frequency Response: The Cambridge Audio Minx MIN21 satellite speaker features a 120Hz to 20,000Hz frequency range.

Power Handling: The Cambridge Audio Minx MIN21 satellite speaker can handle 15 to 50 watts (RMS).

Enclosure Design

Compact Enclosure: The Cambridge Audio Minx MIN21 satellite speaker features a 3.125" (w) x 6.125" (h) x 3.75" (d) enclosure.

Acoustic Suspension: The Minx MIN21 satellite speaker features an acoustic suspension (sealed) enclosure for greater detail and tonal accuracy.

Acoustically Damped Cabinet: The Minx MIN21 satellite speaker employs an acoustically damped thermo-polymer and extruded aluminum cabinet to prevent distortion caused by resonance and vibration.

Removable Grille: The Cambridge Audio Minx MIN21 includes a detachable cloth grille.

High-Gloss Finish: The Minx MIN21 is available in a high-gloss black (with black cloth grille) or high-gloss white finish (with silver cloth grille). The black and white high-gloss lacquers are finished to the highest standard using paint application techniques developed by premium automotive manufactures. The black and white lacquer finishes are hard to scratch and easy to clean.


Binding Posts: The Cambridge Audio Minx MIN21 satellite speaker is equipped with a pair of binding post terminals. The binding post terminals will accept bare-wire, pin-connectors, and spade-connectors. The terminals are color-coded (black/red) to distinguish between positive and negative.

Banana Plugs: The satellite speaker's binding post terminals can be removed to allow use of banana plugs (single only). The binding post terminals simply pull out of the back of the speaker, which allows access to banana connector inputs.

Mounting Options

Placement: The speaker can be mounted vertically or horizontally (as center-channel speaker). The speaker should be angled toward the listener, if possible.

Table-Top Mount: The Minx MIN21 satellite speaker comes with four self-adhesive rubber feet to simply place the speaker securely on a table or shelf. There is also an optional Minx Table-Top Stand (779MTSA, sold separately) available, which allows placement on a desk, table, or shelf.

Wall Mount: The Minx MIN21 features a rear-mounted 6mm threaded insert which allows you to wall-mount the speaker using the included keyhole-slot adapter, the Cambridge Audio Minx Wall Bracket (779MPWM, sold separately), or other optional wall-mount bracket (sold separately).

Speaker Stand: The 6mm threaded insert on the back of the satellite speaker can be used to attach the speaker to the Cambridge Audio Minx Floor Stands (779MFSB, sold separately).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

3 questions already asked

I do own the minx 21 speakers. I have never used or owned the Minx 11 speakers. I think the 21s are fantastic and work great as they are but I don't know how a 21 will sound with the smaller 11 speakers. I suspect it will be ok. [ ELLIOT  Dec 19, 2014 ]
ABSOLUTELY! I use the minx21 as my center speaker and it sounds crystal clear with no distortion at higher volumes. I also use it for the fronts as well and have the minx11 for the rear. I love the setup and could not be happier with the sound quality for all of them. I would HIGHLY recommend the minx21 & minx11. [ ROBERT P  Dec 17, 2014 ]
I think the Minx 21 are a great smooth sounding speaker but I have not tried them for a center channel. I have a larger, full range for my center channel since music sound stage is my focus. A minx 21 might be just fine as a center channel speaker for TV/movie surround since they are usually not mixed in the same way as a stereo recording. [ KENT  Dec 17, 2014 ]
Toan T, I didn't use them for my center because of the importance of that piece I went with something with a bit more power (and a higher price) PSB satellite/center. However I did buy a pair of the Minx21s for my front left and right at the same time and have to say that all the reviews I read before purchasing were spot on. Very crisp and clear. Plenty power to fill a rather large family room with high ceilings. The sound is great for music when I'm in a different room entirely (though, don't think you're going to get floor standing biggie sounds from them). My guess is that one of these would hold up pretty well as a center too! [ Geoffrey  Dec 17, 2014 ]
I am pleased with the minced 21 as surround. I have paired with four minx 11 as surround and a klipsh powered sub. Given small firm factor I am happy with it, mostly watching sports [ David  Dec 17, 2014 ]
Yes I think they sound clear for voice. I use them for music, not TV, with a subwoofer. They are not ideal for music but I think they'd be very good for front surround speakers. [ Thatcher  Dec 17, 2014 ]
I set a pair of them up with a small sub in an RV with a 32" LED TV. I was impressed with the quality of sound for music and for dialog in movies. [ Frank  Dec 17, 2014 ]
I am using minx 11 as my front left, right, and rear surrounds and a minx 21 as my front center channel. The sound is crisp and clear and does not overpower the 11s. The minx 21 matches well with the minx 11s and the minx sub. You do need to ask cambridge audio for a grill with the cambridge logo in the horizontal position though if you are using the minx 21 as a center. They sent me one for free. Hope this helps. [ HEATHER  Dec 17, 2014 ]
I have the Minx21 as my left, right, and center speakers with a sub woofer. As a center speaker they work very well. With my set up the voices are crisp and clear. I used to have two very nice tower speakers and a sub woofer and I consistently had to change the volume to hear the dialog clearly over the sounds affects. With my current setup the voices are crisp and clear and the sound affects still fantastic and I do not have to change the sound levels at all. I highly recommend the Minx 21 as a center speaker. [ Donald  Dec 17, 2014 ]
Yes. I believe so. I have the minx 21s set up for a 7.1 and 5.1 configuration and I'm very happy for the size and sound. I replaced my bose lifestyle with these and have no regrets. [ WILLIAM  Dec 17, 2014 ]
I have Minx 21s for the fronts (and rears) with the CA Aero 5 for the center and CA Minx 300 for the sub. The sound whether it be music, voice or environmental is crisp, clear and fantastic. I highly recommend this setup. [ Kimberly  Dec 17, 2014 ]
Honestly, I'm not impressed. I like crisp clear highs and a nice full mid and these just didn't do it for me. I think you can do better for the money, Definatve Technology Pro Monitor 800 is a good choice. [ MICHAEL J  Dec 17, 2014 ]
Thanks for your question. For information on selecting the best speakers for your system I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget. [ Jeff  Jan 20, 2014 ]  Staff
I think the speakers are great in the correct configuration. Nothing shrill, brittle or fuzzy at all. Crisp, clear highs that fill the room and surround us with beautiful music. I have them installed in an 18x29 room with a fireplace. I have two subs. Very pleased. [ Kimberly  Dec 17, 2014 ]
Easily. The satellite speakers are great. You may not even need 2 subs. That's more of a personal preference. As long as you have the right a/v receiver you should be good to go with 5 minx 21 speakers. Enjoy! [ CONNOR  Jan 21, 2014 ]
In my opinion they will. As long as the subwoofers are well located and the crossover freq set up correctly for the room, I think you won't regret it, specially at mid-high levels, I find that subwoofer usually lacks at low levels (without having to increase the sub level). You also have to realize that these speakers will sound beautifull but will not play lower than 120 Hz or so, which will limit the subwoofer placement (at least one of the two, depending on your crossover capabilities) due to the ability to locate freq between 80-120hz appvrox. Or whatever croozover freq you end up using (140hz?) In my case I have a 12" sub located next to the tv and I love the setup, if placing the sub close to the front speakers will not work for you, then you might want to consider some bigger speakers than can play down to 80hz and then place the subwoofer somewhere else (i.e. behind couch) These speakers are small but very capable of reproducing beautifull and loud sound. [ Carlos  Jan 19, 2014 ]