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List Price  $1199.95

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QSC KSUB

QSC's KSUB is a lightweight powered subwoofer that features a 1000 Class D power module and includes dual 12" bandpass transducers. The KSUB also features auto-standby mode, XLR & 1/4" TRS mic/line level ins, RCA phono ins, direct outs on each channel, a balanced out for daisy-chaining up to three sources and extensive DSP processing. EQ settings for both the high-freq. and low-freq. transducers are adjustable on each unit. LEDs can be set to show when the unit is on or when its clip limiter has been engaged.

Multiple units can be daisy-chained for total gain control from a single remote pot. Also features a threaded pole-mount receptacle, steel grille and birch housing.

Features

• Lightweight portable powered speakers with legendary QSC amplifier power and reliability
• 1000 watt Class D power module
• Extensive DSP enhances system performance
• Attractive and professional appearance
• Rugged birch plywood enclosure
• Tour-grade 18 gauge steel grilles
• Comfortable ergonomic handles
• Threaded pole socket with speaker pole included

The KSub is a dual-12" bandpass design, constructed of premium birch and includes high-quality, low-noise casters. The subwoofer features a threaded pole receptacle for a positive, wobble free connection to a threaded speaker pole (included).

Remote gain control capability is offered via a potentiometer (not included) connected to the on-board Euroblock connector. In an installed application, multiple K Series speakers can be "daisy-chained" for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.

Extensive DSP

• DMT™ (Directivity Matched Transition) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.
• Intrinsic Correction™, first featured in our high-end line-array products maps 65-75 spacially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field.
• DEEP™ and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
• GuardRail™ protection, first introduced on our GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping.

Specifications

Configuration 4th Order Bandpass

Transducers

 Low-frequency

2 x 12" cone transducers

Frequency Response (-6 dB) 48 Hz - 134 Hz

Frequency Range (-10 dB) 44 Hz - 148 Hz

Maximum SPL (1 meter) 130 dB peak

Amplifiers

Power Output 1000 W Class D (2x500 W)  

Input Impedance (ohms) XLR / ¼": 40k balanced / 20k unbalanced

Controls Power, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)

Indicators Power, Signal, Standby, Limit

Connectors Dual balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector

Cooling On demand, 50 mm variable speed fan

Amplifier Protection Thermal limiting, output overcurrent, overtemperature muting, GuardRail™

Transducer Protection Thermal limiting, excursion limiting

AC Power Input Universal power supply 100 - 240 VAC, 50 - 60 Hz

AC Power Consumption

(1/8 Power) 100 VAC, 2.3 A

120 VAC, 2.01 A

230 VAC, 1.13 A

Enclosure

Material Painted birch plywood

Finish Black textured paint

Dimensions (HWD) 26" x 14" x 28.1" (including casters)

665 mm x 356 mm x 714 mm

Weight (Net) 74 lb / 33.6 kg

Available Accessories KSub COVER

QSC KSUB Dual 12" Bandpass Transducer Powered Subwoofer