QSC K10 Powered 10-Inch, 1000 Watts PA Speaker

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Price: $679.00    

Product Feature

• 1,000 watt, efficient and lightweight class-D power moduleLightweight (32 lb.)Professional appearance and rugged constructionDirectivity Matched Transition (DMT) and Intrinsic Correction DSP tuning for accurate, undistorted performance across the entire sound fieldGuardRail technology discreetly protects the system from damaging overloadDEEP mode for enhanced low-frequency extension without a subwooferLocking IEC power cableXLR and 1/4" connectorsPhone Mic/Line and Line inputs with Loop-thru con

Product Description

Get ready to have your mind blown! The QSC K10 packs in an insane amount of power... not to mention studio-style sound... in a way-compact, lightweight package. That's why sound-conscious bands and venues having been snatching up the K10 � and all the other speakers in the QSC K Series — since they were on the shelves and available. You've got a home run here, really � and the reviews all over the Net speak for themselves. Everything about the K10 is premium-grade, from the choice of ABS cabinet material to the Class D power design to the DSP processing throughout... to the sound that hits your ears. And thanks to the K10's wide dispersion for mega-sized coverage area, your audience is going to be happier than ever when you stick a K10 up on a pole.

QSC K10 Powered 10-Inch, 1000 Watts PA Speaker Review

I initially purchased the Mackie SRM450v2 because I am a fan of Mackie's mixer boards. I conducted listening tests and decided it was lackluster. So I went down to a music store and listened to the QSC K8 and K12. I ordered the K10.

I performed repeat listening tests between the K10 and the Mackie SRM450v2 and a pair of 2 way Klipsch 8" bookshelf speakers (my favorite). I also did pink noise spectral analysis using a Behringer ECM8000 calibration microphone connected to a Behringer Ultracurve digital EQ box.

My ears were correct. The SRM 450 is just a good speaker, not great. It has an annoying hyper resonance around 80 hZ, the crossover transition is less than ideal (confirmed by my real time spectral analyzer), and the deep bass is loose and sometimes slightly distorted. At the end of the day the sound from the speaker is simply not very "musical." The mid-frequencies lacked detail which is something on my "must have" list. The SRM 450 was VERY loud and the HF driver had very good dispersion. The LF driver was mediocre. Plenty of power. Watts is not an issue here.

The QSC K8, K10, K12 all sound the same. The only difference between them is small variations in dispersion pattern, and low end extension. The K10 and K12 have built in wedges for floor monitor use whereas the K8 does not. The first thing my ears noticed with the K10 was the speaker was much more "musical" sounding and there was much more detail in the mid-frequencies. Additional listing indicated the low end bass was tight with much less distortion. The DEEP setting extended the bass frequency response of the speaker in a very nice fashion without artificial EQ boost, but with what appears to be more tight servo control feedback. Power was ample and the speaker is very very loud. Dispersion was a dream....something I worried about since the HF driver has a conical dispersion pattern and uses a diaphragm driver rather than the more traditional horn/compression driver. It sounded great with a little HF rolloff around 18k which is something I do with my EQ settings anyway to keep the horn speakers from sounding overly bright. Examination of the HF driver reveals what is probably a hybrid small diameter tweeter coupled to a symmetrical round low compression horn interface. Nice touch as it doesn't provide the distortion and phase problems that strong high compression asymmetrical horns can cause. RTA spectral analysis revealed an very appropriately functioning crossover system and the entire speaker was much more linear and easier to EQ and bring into balance than the SRM 450. Using the DEEP function to extend lowest frequencies was a very functional and pleasant surprise. Appears more than a little low frequency EQ boost...more than just a gimmick, actually increase in USABLE bottom end. The K10 also has the built-in 7.5 degree tilt which is necessary for most pole mount applications.

Just to compare everything I hooked up my Klipsch 8" 2-way bookshelf speakers. They don't have the high SPL output of these other two speakers, but they are by far the smoothest and most detailed and cleanest in sound production. I don't think Klipsch makes PRO audio speakers anymore. Too bad because they are great. I use these home models at home and am very happy with them.

In summary, the K10 is in a completely different class of speaker than the SRM450. If all you need is lots of volume, either will work fine. If you are after a very musical speaker with detailed midrange and high SPL for events then you want the K8, K10, or K12.

For high quality home audio, you want the Klipsch for their superior smoothness and detail that still blows me away.

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