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QSC K8 2-Way 1000 Watt Active Speakers with 8" Woofers & KSub Subwoofer Package

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Item#: K8NSUBGOPACK
UPC: 635292769634
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Regular Price: $3,007.89

Special Price: $2,456.40

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About This Product

QSC K8 1000 Watt 8” Powered Loudspeaker

The QSC K8 8" powered loudspeaker features a 1000-watt Class-D power module, and its extremely compact size won't intrude on audience sight-lines. Its 105° wide dispersion is a major advantage when the audience is up close to the loudspeaker. Low frequencies extend to ~61Hz (-10dB) and the unit outputs an amazing 127dB.

QSC's K8 speaker features a 1-3/4" HF device in its 2-way enclosure. The primary differentiator is the resulting output dispersion—the K8 being the widest at 105° and the K12 the narrowest at 75°. This radical approach is achievable due to a process called Directivity Matched Transition (DMT). DMT allows QSC to take advantage of a fundamental law of acoustics: smaller diameter woofers have wider coverage patterns than larger ones. The K Series matches the HF device to the LF dispersion, allowing for the smoothest and flattest frequency response possible across the entire sound field.

Add to this advanced DSP processing and an enclosure molded from ABS—a material far more rugged and sonically pleasing than conventional plastics—and the QSC K8 Speaker delivers exceptional performance in this category of loudspeakers.

Several proprietary QSC DSP technologies are incorporated into the K8 PA speaker. One such technology is Digital Extension and Excursion Processing (DEEP). DEEP allows the K8 to deliver levels of low-frequency extension previously impossible in enclosures of this size. Intrinsic Correction, first featured in QSC line-array technology, use dozens of spatially averaged measurements mapped to the processor to deliver smooth and accurate reproduction across the entire sound field.

Preventing amplifier clipping or overload is QSC's proprietary GuardRail technology. GuardRail closely monitors the input voltage and controls the amplifier output stage before the onset of clipping. Unlike typical clip limiters, when GuardRail is activated, the results are all but undetectable—there's none of the typical "pumping" associated with other methods. In addition, user EQ controls are provided to select between subwoofer settings (EXTSUB, VOCAL, or FLAT response).

The K8 speaker boasts other user-friendly features. For example, when the PA speaker is pole-mounted, the Tilt-Direct pole socket converts to a 7.5° down-tilt with a simple 180° rotation of the dial. A locking IEC power cord is included, preventing accidental disconnect during a performance. For installed applications, connecting a commonly available potentiometer to the unit's Euroblock connector allows the operator to have gain control from a remote location. Multiple K Series units can be daisy-chained together to one centralized control. Additionally, the QSC K8 Speaker enters Standby mode after 5 minutes of inactivity, conserving power.

The entire PA package is housed in rugged and sonically friendly ABS (the sub in birch plywood) with steel grilles and carry-friendly ergonomic aluminum handles.

Processing, Connectivity, & Monitoring

The brain of the system is its expansive digital signal processing. While the DSP functions are optimized using Intrinsic Correction, DEEP, DMT, and GuardRail technologies (with the high-pass filter included for use with subwoofer systems), two XLR-combi inputs, each with its own Level control, are provided. Both accommodate line-level inputs and one may be switched to microphone level sensitivity. Phono (RCA) input jacks are also included for connection of consumer electronics sources. Dual XLR outputs are provided for dual "loop-thru" XLR/M connectors and a single XLR jack is available as a summed output. All 3 input sources may be used at once and mixed via the 2 Gain control knobs.

Input Panel LED indicators are provided for Power, Signal Present, Mic Level Sensitivity, and Limit annunciation. A front-mounted power LED may be disabled by means of a rear-panel switch when desired or set so it indicates when the limit circuitry has been engaged.

Waveguide

Each K model incorporates a conical waveguide that maintains pattern control all the way down to the crossover frequency. The coverage angles of the waveguides are tailored for a smooth transition from woofer to compression driver with far less "waistbanding" or other directivity related anomalies than other products in this class.

Suspension and Mounting

The K8 2-way PA speaker may be pole-mounted, suspended, or yoke-mounted. The K8 yoke accessory kit (not included) allows for either horizontal or vertical yoke mounting, providing a flexible means of attaching K Series loudspeakers to a building structure or truss. When suspended deployment is required, M10 threaded inserts support vertical or horizontal suspension, while the integral polemount socket accommodates 35mm speaker poles for use on a speaker stand or over a sub. The pole socket is designed so that the speaker may be angled down 7.5° in order to cover the audience while keeping acoustic energy off reflective walls and ceilings.

QSC K8 Features:

  • 8” Woofer; 1.75” diaphragm compression driver.
  • 105° Nominal coverage angle.
  • Maximum SPL 127 dB peak.
  • 1000-watt continuous Class D power modules in all models.
  • Attractive and professional appearance.
  • Rugged ABS enclosures.
  • 16-gauge powder coated steel grille.
  • Comfortable ergonomic handles.
  • 35 mm pole sockets with Tilt-Direct.
  • M10 rigging points.
  • Eyebolt and yoke mount accessories available.
  • Onboard mixer with two combo XLR and ¼” inputs, and stereo RCA inputs, (three audio input sources); two direct channel outputs and single summed balanced output.
  • Extensive DSP enhances system performance:
    • 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 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat band pass 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 protects both the amplifier module and your performance from unnatural and destructive clipping.


    QSC KSub 1000 Watt Powered 2-way Subwoofer

    The QSC KSub Powered Subwoofer is the ideal supplement to QSC K Series 2-way speakers for live reinforcement of bass instruments and drums, or higher-level playback of recorded music. Its 1000W Class-D power module never fails to deliver. The KSub subwoofer's M20 threaded pole socket (pole included) provides a secure, wobble-free method of elevating a mid-high speaker over the subwoofer. The KSub subwoofer's compact footprint won't take over the stage, dance floor, or seating area of smaller venues. A pair of high-power 12" speakers in an optimized band-pass enclosure will handle everything the 1,000-watt power module can give them. Compact in size, the QSC KSub has ergonomically designed handles and 3" noise-free casters ease load-in and load-out.

    Ksub Features:

    • 2 x 12” Woofers.
    • Maximum SPL 130 dB peak.
    • Lightweight portable powered speaker with legendary QSC amplifier power and reliability.
    • 1000 watt continuous Class D power modules in all models.
    • Extensive DSP enhances system performance.
    • Attractive and professional appearance.
    • Comfortable ergonomic handles.
    • Rugged birch plywood enclosure.
    • Comfortable ergonomic handles.
    • Threaded pole socket with speaker pole included.


    Shure SM58 Vocal Microphone

    Legendary vocal microphone, tuned to accentuate the warmth and clarity of lead and back-up vocals.

    The legendary Shure SM58 vocal microphone is designed for professional vocal use in live performance, sound reinforcement, and studio recording. Its tailored vocal response for sound is a world standard for singing or speech. A highly effective, built-in spherical filter minimizes wind and breath "pop" noise. A unidirectional (cardioid) pickup pattern isolates the main sound source while minimizing unwanted background noise.

    Rugged construction, a proven shock-mount system, and a steel mesh grille ensure that even with rough handling, the SM58 will perform consistently, outdoors or indoors.

    SM58 Features:

    • Frequency response tailored for vocals, with brightened midrange and bass rolloff.
    • Uniform cardioid pickup pattern isolates the main sound source and minimizes background noise.
    • Pneumatic shock-mount system cuts down handling noise.
    • Effective, built-in spherical wind and pop filter.
    • Supplied with break-resistant stand adapter which rotates 180 degrees.
    • Legendary Shure quality, ruggedness and reliability.
    • Cardioid (unidirectional) dynamic.
    • Frequency response: 50 to 15,000 Hz.
    • Replacement cartridge: R59.


    Ultimate Support JS-TS50-2 Tripod Speaker Stand Pair with FREE Carry Bag

    Speaker stands need to be both sturdy and easy to move. The Speaker Stand (Pair) fits on both accounts, giving you a stable environment in which to elevate your speakers to optimum height. Crafted from aluminum and powder-coated for finish durability, these stands will give you years of service. Each stand can hold up to 120 lbs. The strong telescoping and leg collars provide a stable stand for your speakers. The height adjustment collar has a safety pin for extra security. The JS-TS50-2 also includes a handy carry bag for FREE!

    JS-TS50-2 Features:

    • Part Name: JS-TS50-2.
    • Long-lasting aluminum construction.
    • Durable powder-coated finish.
    • Tripod base is very stable and sturdy.
    • Stand is height-adjustable.
    • Carrying bag included for FREE!
    • Holds up to 120 lbs.
    • Height 46.5" - 81.5”.
QSC K8 Specifications
Specifications K8
Configuration Trapezoidal 2-way
Transducers
Low-frequency
High-frequency

8" cone transducer
1.75" diaphragm compression driver
Frequency Response (-6 dB) 66 Hz - 18 kHz
Frequency Range (-10 dB) 61 Hz - 20 kHz
Nominal Coverage (-6 dB) 105° conical DMT
Maximum SPL1 127 dB peak
Amplifiers
Power Output2 1000 W continuous Class D
(500 W LF, 500 W HF)
2000 W peak
Input Impedance XLR / ¼": 40 kΩ balanced / 20 kΩ unbalanced
XLR / ¼" MIC mode: 2260Ω balanced
RCA: 10 kΩ
Controls Power, Gain A, Gain B, Mic/Line, LF Mode (Ext Sub/Norm/DEEP), HF Mode (Flat/Vocal Boost), Front LED (On/Off/Limit)
Indicators Power, Signal A, Signal B, Standby, Limit, Mic
Connectors Balanced female XLR/¼" line/mic level input, Balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out , Balanced male XLR "mix" out, Stereo RCA line level input, 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 to 60 Hz
AC Power Consumption
(1/8 of full power)
100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
Enclosure
Material Impact resistant ABS
Finish Black paint
Grille Rugged powder-coated steel
Dimensions (HWD) inches 17.7 × 11 × 10.6
Dimensions (HWD) mm 450 x 280 x 269
Weight (Net) 27 lb / 12.2 kg
Available Accessories K8 tote, K8 yoke, M10 Kit-C
 
QSC KSub Specifications
K Series  
SpecificationsKSub
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 SPL1 130 dB peak
Amplifiers
Power Output2 1000 W continuous Class D (2x500 W) 
2000 W peak
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
 
Shure SM58 Specifications
Type Dynamic (moving coil)
Frequency Response 50 to 15.000 Hz
Polar Pattern Unidirectional (cardioid), rotationally symmetrical about microphone axis, uniform with frequency
 
Ultimate Support JS-TS50-2 Specifications

Product Name: JS-TS50-2
Part Number: 17318
Height: 46.5” – 81.5”
Base Diameter: 47”
Load Capacity: 120 lbs.
Telescoping Tube: 1 3/8” (35mm)
Weight (Per Stand): 4.2 lbs.

The K8nSub Go Package Includes:
(2) QSC K8 1000 Watt 8” Powered Loudspeakers
(1) QSC KSub 1000 Watt Powered 2-way 12” Subwoofer
(1) Shure SM58 Vocal Microphone
(2) QSC K8 Tote Bags
(1) QSC Ksub Subwoofer Cover
(3) 20FT XLRF to XLRM Sure-Fit Speaker Connecting Cables
(1) 20FT XLRF to XLRM Sure-Fit Microphone Connecting Cable
(3) Black 10FT 16 Gauge AC Extension Cords
(2) Pair of Ultimate Support JS-TS50-2 Tripod Speaker Stands with FREE Carry Bag
Each QSC K8 Box Includes:
(1) Locking Power Cable
(1) Euro-style Connector Plug, 3-pin
(1) K Series Hookup Drawings
(1) Warning Information Sheet

The QSC KSubBox Includes:
(1) Subwoofer system
(1) Locking power cable
(1) Euro-style Connector Plug, 3-pin
(1) M20 threaded loudspeaker pole
(1) K Series Hookup Drawings
(1) Warning Information Sheet

The Shure SM58 Box Includes:
(1) Shure SM58 Vocal Microphone
(1) Swivel Stand Adapter
(1) Storage Bag
(1) Microphone Clip
(1) User Guide

The Ultimate Support JS-TS50-2 Box Includes:

(2) Tripod Speaker Stands
(1) FREE Durable Speaker Stand Carry Bag