QSC K12 and JBL PRX715 are both two-way powered speakers with exceptional power and quality. These two speakers are very popular in the market, available in a similar price range. These speakers are excellent choices for a budget of under a thousand bucks. So, how do they compare against each other? Which model does hold the fullest value for the money? The following article will highlight the differences and comparisons between QSC K12 and JBL PRX715 to help you make a decision. So, continue reading!


While it is understandable that a powerful speaker can get kind of heavy, a more compact and lightweight design is always to be welcomed. Between these two models, QSC K12 is the one that is smaller and lighter. The differences are not huge, but noticeable nonetheless. So, QSC K12 has a better edge in portability. The speaker features steel grille and rugged, durable ABS enclosures, with a pair of ergonomic handles on the sides for easy handling. The 12” cone LF driver and 1.75” diaphragm compression driver are able to provide 75-degree vertical and horizontal coverage.

On the other hand, JBL PRX715 is rather bigger and bulkier due to utilizing ferrite magnets. It features a 15” low-frequency driver and a 1.5” compression driver, with 90-degree x 50-degree nominal coverage. The housing is made of poplar plywood cabinets with the DuraFlex protective finish, and is equipped with a cloth-backed dent-resistant 16-gauge steel grille.

JBL PRX715 comes with a frequency response range of 58.1 Hz – 17.2 kHz, 136 dB maximum SPL handling, 750 Watts RMS and 1500 Watts peak power rating. Actually, the audio reproduction is very good. With such frequency response range, JBL PRX715 is able to deliver accurate and well-staged sounds. The lows, mids, and highs are full and accurate. The midrange and treble are especially crisp and clear. However, the bass is not very powerful. The volume levels also don’t go as loud as QSC K12.

Meanwhile, QSC K12 boasts 1000 Watts RMS and 2000 Watts peak power rating. It is certainly much more powerful than JBL PRX715. In addition, it has a frequency response range of 52 Hz – 18 kHz. The mids and highs are bright, crisp, and accurate. The bass is stronger.


Key Features- Two-way powered speaker with 12-inch woofer - 75-degree vertical and horizontal coverage angle- JBL designed waveguide for accurate coverage - Efficient Class-D amplifier technology

Ratings4.8 out of 5.0 stars4.5 out of 5.0 stars
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Generally, QSC K12 should be the way to go. It has better, more compact design, as well as better and more powerful output.

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