QSC KW153
QSC has set the standard for powered PA loudspeakers with their industry-leading K series and KW series. With 1000 watts of room-filling sound and smart onboard DSP to help you get the most out of those watts, it's no wonder these PA speakers are huge hits. And the QSC KW153 loudspeaker is no exception. KW153s make killer main PA speakers in high-SPL, long-throw applications. Pair them with subs in the corners of dance clubs. Set them up as side-fills on large stages. With these speakers in your rig, there aren't many gigs you can't handle. Each KW153 weighs 87 pounds, with handles placed at just the right height to make them portable.
Reinforce the Midrange with a Three-Way PA
The only three-way loudspeaker in QSC's K family, the QSC KW153 has dedicated drivers for high, mid, and low frequencies: a 1.75" HF compression driver, a 6.5" midrange cone, and a 15" woofer for the lows. The KW153's 15-inch woofer cone digs down to a thunderous 35 Hz, while the dedicated midrange horn reinforces the real star of your mix: the vocals and instrumental solos. Since these speakers boast a frequency response all the way down to 35 Hz, you're that much less likely to require dedicated subs.
KW is for Kilowatt: 1000 Watts of Class D Power
Like the other loudspeakers in the QSC K and KW series, the KW153 is a powered, active speaker with 1000 watts of lightweight Class D amplification. These speakers' built-in Class D power amps employ QSC's Guardrail limiter to prevent destructive clipping distortion and woofer over-excursion, while a virtually silent internal fan turns on when the amp senses high temperatures -- making the KW153 truly robust.
DEEP Mode: Bigger Bass Output, Less Distortion
To get impressive bass output from 1000 watts, all Ks and KWs employ DEEP: Digital Extension and Excursion Processing. Flip the DEEP switch on the back of your KW153, and this virtually transparent limiter kicks in to increase the average output of bass frequencies. Much more than just a low-frequency EQ boost, DEEP employs sophisticated DSP to identify and limit brief low-frequency transients while preventing distortion.
Cover the Room Consistently, from Lows to Highs
The QSC KW153 lets you control high frequencies with application-specific EQ settings. Set the HF switch to "Flat" for full-range music, or "Vocal Boost" for increased intelligibility and presence for speech or vocal reinforcement. In addition, QSC's Intrinsic Correction EQ implements FIR linear phase filters to adjust the KW153's response, helping deliver consistent sound over the entire audience.
Great for Clusters and Larger Venues
While QSC's smaller K series speakers project sound in a cone-shaped pattern, KW series speakers like the KW153 project an axis-symmetric pattern with a more square cross-section. In plain English, the KW153 lends itself to being grouped in a cluster of 2 or more speakers, because the square pattern edges match up with each other -- helping to blanket a larger venue in consistent sound. When you're working with a frequency response as wide as the KW153's (35 Hz to 18 kHz), physics prevents the loudspeaker's coverage pattern from being contained to an extremely narrow angle. Still, the KW153 disperses sound over a well-contained 75-degree coverage angle, which makes them a great candidate for cluster applications.
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