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    • Crown DCi 4|600N Four-Channel 600W @ 4 Power Amplifier with BLU link 70V/100V

      Crown DCi 4|600N Four-Channel 600W @ 4 Power Amplifier with BLU link 70V/100V

      The Crown DriveCore install series amplifiers is a complete line of high performance installation amplifiers based on the proprietary DriveCore technology. DCi Series amplifiers are designed, engineered and manufactured to the industry's highest quality standards, and provide system integrators with the advanced features and flexibility required for challenging 21st century installed sound applications. Versatile, compact and highly energy-efficient, DCi Series amplifiers continue the unbroken Crown...

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      Item #: CROWN-DCI 4-600N

      Availability: Usually ships in 3-10 business days

      Our Price: $4,248.00

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    • Crown CDI-1000 2-channel - 500W/4 Ohms - 70V/140V Power Amplifier

      Crown CDI-1000 2-channel - 500W/4 Ohms - 70V/140V Power Amplifier

      The Crown CDI-1000 is a 2-channel, 500W @ 4Ω, 70V/140V Power Amplifier that is part of the CDi Series of power amplifiers. These are professional power amps designed and built for installed sound applications. The CDi Series are all rugged and lightweight, and offer unmatched value in their class. CDi-Series amplifiers feature an intuitive front-panel LCD screen to guide installers through their configurations. CDi amplifiers also offer onboard DSP for loudspeaker signal processing....

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      Item #: CDI-1000

      Availability: In Stock

      Our Price: $1,179.00

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    • Crown CT4150 ComTech DriveCore 4-Channel  - 125W/4 Ohms Power Amplifer

      Crown CT4150 ComTech DriveCore 4-Channel - 125W/4 Ohms Power Amplifer

      The Crown CT4150 is a 4-channel, 125W @ 4Ω Power Amplifier that provides state-of-the-art technology for installations that require premium sound quality, multi-channel configurations, noiseless operation and a small footprint with excellent quality and performance. Powering this remarkable amplifier is the pioneering technology of DriveCore™, which integrates the amplifier drive stage into the power output stage fusing everything into a chip the size of a dime. DriveCore's...

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      Item #: CROWN-CT4150

      Availability: Usually ships in 3-10 business days

      Our Price: $1,349.00

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    • Bose FreeSpace IZA 2120-HZ 120V Integrated Zone Amplifier

      Bose FreeSpace IZA 2120-HZ 120V Integrated Zone Amplifier

      For background/foreground music and paging applications, Bose FreeSpace IZA 2120-HZ integrated zone amplifier elevates the audio experience when using FreeSpacer loudspeakers. Optimized for commercial applications, FreeSpace IZA amplifiers feature selectable Loudspeaker EQ to enrich audio quality, Opti-voice paging for clear speech intelligibility while providing seamless transitions and Dynamic EQ that ensures full and balanced music at any volume level. APPLICATIONS: Retail...

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      Item #: BOSE-IZA-2120-HZ

      Availability: Usually ships in 3-10 business days

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    • Bose FreeSpace IZA 190-HZ Integrated Zone Amplifier

      Bose FreeSpace IZA 190-HZ Integrated Zone Amplifier

      For background/foreground music and paging applications, the Bose FreeSpace IZA 250-LZ and IZA 190-HZ integrated zone amplifiers are designed to deliver premium sound, provide simplified set up and easy daily operation, and offer the flexibility to expand when more loudspeakers are required. When used with FreeSpace DS 16 and DS 40 loudspeakers, even further sound optimization is possible through onboard selectable EQ presets. Features: Specifications: Amplifier Power FreeSpace IZA 250-LZ integrated...

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      Item #: BOSE-IZA-190-HZ

      Availability: Usually ships in 3-10 business days

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    • JBL CSA2300Z CSA 2300Z Dual-Channel 300W Amplifier

      JBL CSA2300Z CSA 2300Z Dual-Channel 300W Amplifier

      By combining years of innovation, invention and insight from HARMAN brands, the JBL CSA2300Z Commercial Series Amplifiers (CSA) go well beyond the expected in generating powerful sound. The efficient performance of Crown’s DriveCore Technology continues to set new standards in commercial power amplifier technology. Simple to configure, the CS amp provides a DriveCore-based sound solution. This replaces up to 500 parts with one small chip, significantly reducing the part count...

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      Item #: JBL-CSA2300Z

      Availability: Usually ships in 3-10 business days

      Our Price: $779.00

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    • Electro-Voice PA 2450L 2 x 450 Watt Dual Channel Power Amplifier

      Electro-Voice PA 2450L 2 x 450 Watt Dual Channel Power Amplifier

      The Electro-Voicer PA2450L is from the PA series of professional commercial audio amplifiers. The direct path airflow design reduces the heat buildup significantly and allows for more amplifier channels and output power in slim two rack space chassis. The audio performance of the PA2450L is superior and fulfills the requirements in many demanding long term applications from sound reinforcement, paging or life safety installations. The PA2450L features many of the same comprehensive protection...

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      Item #: EV-PA-2450L-120V

      Availability: Usually ships in 3-10 business days

      Our Price: $724.49

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    • QSC GX3 Professional Power Amplifier - 300 Watt at 8 Ohm

      QSC GX3 Professional Power Amplifier - 300 Watt at 8 Ohm

      GX Series amplifiers are ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers, headed by Pat Quilter, have optimized output and appearance while reducing raw material cost and weight. It's all here - dramatic styling, easy hookup and adjustments, excellent audio quality and QSC reliability. GX amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. Most loudspeaker manufacturers recommend...

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      Item #: QSC-GX3

      Availability: In Stock

      Our Price: $349.99

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    • Xantech 79144 One-Zone Amplified Connecting Block

      Xantech 79144 One-Zone Amplified Connecting Block

      One Zone Ten Source Amplified Connecting Block This item requires the PS12-1.25 Power Supply Features: Emitter port jumpers permit high or low power IR outpout Requires the PS12-1.25 Power Supply High-speed opto-isolator for improved operation Parallel emitter ports drive 10 single or 10 dual emitters Contains red LED input signal Test-IR Dimensions: 6" x 2 1/4" x 15/16" (153mm x 58mm x 24mm) Up to nine 790-00's can be connected to the 791-44 for control of up to...

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      Item #: XAN-079144

      Availability: Usually ships in 3-10 business days

      Our Price: $73.00

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    • QSC GXD 4 Professional 400 Watt Class-D Power Amplifier with DSP

      QSC GXD 4 Professional 400 Watt Class-D Power Amplifier with DSP

      GXD Series amplifiers are ideal for entertainment and production applications requiring performance and the convenience of integral signal processing. The hallmarks of the QSC brand - professional audio quality, engineering and manufacturing focused on long-term reliability - are all intrinsic to GXD. Add contemporary styling, multiple routing options, light weight, digital signal processing and advanced protection circuitry, and the GXD Series clearly represents real value - something everyone...

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      Item #: QSC-GXD4

      Availability: Usually ships in 3-10 business days

      Our Price: $549.99

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    • Crown XLi800 XLiSeries 600W 2 Channel Power Amplifier

      Crown XLi800 XLiSeries 600W 2 Channel Power Amplifier

      The XLi Series of power amplifiers from Crown represents a new era in affordable, quality power amplification. All four models in the series are powerful, rugged and reliable. They are suited for musicians, DJs, and entertainers as well as houses of worship, discos, and pubs. Features: Stereo/parallel/bridge-mono mode User selectable input sensitivity - 0.775V and 1.4V Electronically balanced RCA and XLR inputs; Speakon and binding post outputs Two level controls, power switch, power LED,...

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      Item #: XLI-800

      Availability: Usually ships in 3-10 business days

      Our Price: $269.00

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    • Behringer Ultra-Lightweight 6000-Watt 4-Channel Class-D Power Amplifier w/ SmartSense Loudspeaker Impedance Compensation

      Behringer Ultra-Lightweight 6000-Watt 4-Channel Class-D Power Amplifier w/ SmartSense Loudspeaker Impedance Compensation

      The Behringer NX4-6000 is an ultra-lightweight 6000-watt 4-channel Class-D power amplifier with SmartSense loudspeaker impedance compensation. This unit delivers 4 x 1600 Watts into 2 Ohms, 2 x 3000 Watts into 4 Ohms and weighs less than 13.4 pounds! The NX4-6000 is the ultimate in reliability through a revolutionary cool-running High-Density Class-D technology with "near-zero" thermal buildup and an ultra-efficient switch-mode power supply for noise-free audio, superior transient...

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      Item #: BEH-NX4-6000

      Availability: Usually ships in 3-10 business days

      Our Price: $549.99

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    • QSC GX5 Professional Power Amplifier 500 Watt at 8 Ohm

      QSC GX5 Professional Power Amplifier 500 Watt at 8 Ohm

      GX Series amplifiers are ideal for professional entertainers who require maximum performance and portability on a limited budget. The hallmarks of the QSC brand - professional audio quality, meticulous engineering, precision manufacturing and long-term reliability - are all intrinsic to GX. Add contemporary styling, multiple input/output options, light weight, and advanced protection circuitry, and the GX Series clearly represents real value - something everyone can use. GX amplifiers deliver...

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      Item #: QSC-GX5

      Availability: In Stock

      Our Price: $449.99

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    • Remote Audio Speakeasy R1 12VDC Powered Speaker System

      Remote Audio Speakeasy R1 12VDC Powered Speaker System

      The SPEAKEASY R1 is a self-contained, stereo, 12VDC powered speaker system built into a single rack space. Its low current draw (55mA at idle) and compact light-weight enclosure make the SPEAKEASY R1 ideal for remote audio production, yet the R1 has the volume needed for use in facility equipment rooms. The R1's line level inputs are for standard line-level signal ratings of -10dbV to +4dBu, or the signal from a stereo headphone jack. Two XLR inputs allow for a stereo input signal. In addition,...

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      Item #: REM-SPKEZR1

      Availability: Usually ships in 3-10 business days

      Our Price: $349.99

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    • Crown XLS-1002 Two-channel 350W @ 4 Ohm Power Amplifier

      Crown XLS-1002 Two-channel 350W @ 4 Ohm Power Amplifier

      The next generation of XLS got a makeover with a sleek new look, a LCD display that is three times larger, and more DSP with higher capabilities. Like its predecessor, the new XLS-1002 is ultra-efficient with Crown's patented DriveCore technology and can drive 1100W at 4O bridged with tons of headroom guaranteeing a clean, undistorted signal straight to your speakers. The XLS DriveCore 2 assures that you will be heard as you deliver a powerful, pure sound experience for any venue. Features: Class...

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      Item #: CROWN-XLS-1002

      Availability: In Stock

      Our Price: $339.00

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    • TOA AV-20D Micro Amplifier

      TOA AV-20D Micro Amplifier

      The AV-20D introduces a new standard in small amps for plenum use. With ultra-compact size, a flexible compliment of inputs & power configuration, control features and carrying both UL2043 & Energy Star 2.0 certification, the AV-20D is an ideal choice for corporate meeting rooms, POS/signage & kiosks or any place where space and placement limitations are a factor. Features: Micro Class D amplifier for use in meeting/board rooms & signage applications UL 2043-rated for plenum installation Energy...

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      Item #: TOA-AV-20D

      Availability: Direct Ship From Manufacturer

      Our Price: $288.00

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    • ART SLA-1 Studio Linear Amplifier

      ART SLA-1 Studio Linear Amplifier

      Robust yet compact power amplifier designed for studio and even live applications. It has been designed and engineered to provide clean, quiet power and excellent sound with ultra-low noise and distortion. Specifications: 100 watts rms/channel @ 8 ohms (130 watts rms/channel @ 4 ohms and 260 Watts/Bridged Mono @ 8 ohms) input impedance of 22k ohm unbalanced (44k ohm balanced) XLR & 1.4in I/Os Ground Lift Switch, Fan Cooled Design, Power, Clip, Signal and Protect LEDs IU rack Space Frequency...

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      2 Models Available

      Item #: ART-SLA1

      Availability: In Stock

      Our Price: $239.00

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    • Rolls RA235 35w Rack Mount Power Amp 1RU

      Rolls RA235 35w Rack Mount Power Amp 1RU

      The Rolls RA235 is a virtually indestructible single rack space amplifier intended for musicians and studio owners alike. The unit is ideal for home studio applications or wherever a clean, efficient, medium wattage amp is required. The front panel acts as heat distribution, there is no fan to induce noise. Features: 35 Watts per channel of clean amplification 1/4" and RCA inputs Convenient spring-loaded output terminals Front panel heat sinking for proper venting Level controls...

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      Item #: RA235

      Availability: In Stock

      Our Price: $225.00

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    • Samson Servo 120A 52W Per Channel Power Amp-1RU.

      Samson Servo 120A 52W Per Channel Power Amp-1RU.

      Ideal for powering near field monitors or installation sound, the new Servo 120a provides you with "reference-class" audio performance and reliability in a compact package. This single rackspace stereo power amplifier delivers 60 watts of power per channel into 4 ohms or 120 watts into 8 ohms in bridge mode. The intuitive front panel offers controls and displays that include a power switch, independent left and right-channel input level controls, 10-segment LED meters, a protection LED and a convenient...

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      Item #: SERVO 120A

      Availability: In Stock

      Our Price: $229.99

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    • Atlas Sound SSAA5 5W Single Speaker Audio Amp

      Atlas Sound SSAA5 5W Single Speaker Audio Amp

      The SSAA-5 is a small analog audio amplifier designed to power a single 8 Ohm speaker. This devise is a perfect solution for small paging and back ground music systems. Its small form factor has been designed to use the existing 70.7V transformer mounting holes that is provided on many Atlas 8" ceiling speakers. The SSAA-5 utilizes a single balanced analog input, 24DC Input, and a 4 Ohm speaker output. Features: Small Form Factor Balanced Input Mounts to Atlas Sound 8" Ceiling Speakers Output...

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      Item #: ATL-SSAA5

      Availability: Usually ships in 3-10 business days

      Our Price: $32.99

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    • Atlas AF140 High Quality 140 Watt Autotransformer

      Atlas AF140 High Quality 140 Watt Autotransformer

      Model AF140 consists of a single coil autoformer with multiple taps for maximum flexibility in matching a wide variety of loudspeaker loads to power amplifier outputs. A single AF140 will handle loads up to 150 watts and by connecting two units in series, power handling capacity can be increased to 300 watts. Features: Serves as a Method for Matching Loudspeaker Loads to Amplifier Outputs Suitable for Professional and Commercial Sound Applications

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      Item #: AF140

      Availability: Direct Ship From Manufacturer

      Our Price: $164.99

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    • Amplivox S805A Multimedia Stereo Amplifier

      Amplivox S805A Multimedia Stereo Amplifier

      Battery-operated portable 50-watt multimedia stereo amplifier with 3 mic inputs, line in with separate volume & tone controls; line out. The S805A works with most microphones including condenser dynamic and wireless. The condenser (electret) input includes phantom power. All 3 mic inputs can be used simultaneously. Tape record your mixed multimedia presentation as it is happening! Or provide a mixed output to the room's built-in sound system that you control. Connect (with optional Y-jacks) up...

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      Item #: AMP-S805A

      Availability: Usually ships in 3-10 business days

      Our Price: $301.00

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    • Amplivox SW805A Wireless Multimedia Stereo Amplifier

      Amplivox SW805A Wireless Multimedia Stereo Amplifier

      AmpliVox's 50 watt multimedia stereo amplifier with built-in wireless receiver has A and B channels which allow two presenters to use 2 wireless mics from the SAME amp when they use an optional external receiver. For more flexibility in presentations up to 4 mics can be used simultaneously: 2 wireless, one dynamic and one condenser with phantom power. Cordless portable 50-watt multimedia stereo amplifier with 3 mic inputs, line in with separate volume & tone controls; line out. The SW805A works...

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      Item #: AMP-SW805A

      Availability: Direct Ship From Manufacturer

      Our Price: $399.70

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    • ART SLA-4 4x140W Power Amplifier

      ART SLA-4 4x140W Power Amplifier

      Offering superb sound quality, the ART SLA-4 studio linear power amplifier delivers the clean power you need for any professional audio application including project or professional studio environments or commercial sound installations. The SLA-4 is a true four-channel amplifier in a single rack-space that can be switched easily from Multi-channel, Stereo and Bridged Mono Modes. Separate mode switches allow you to bridge channels 1 and 2, or channels 3 and 4, or both channel pairs. This maximizes...

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      Item #: ART-SLA4

      Availability: Direct Ship From Manufacturer

      Our Price: $409.00

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    • Ashly KLR-2000 2-Channel 1000W @ 2 Ohm / 600W @ 4 Ohm Power Amplifier

      Ashly KLR-2000 2-Channel 1000W @ 2 Ohm / 600W @ 4 Ohm Power Amplifier

      Ashly's KLR-Series amplifiers are high-efficiency, lightweight, two-channel, high power amplifiers incorporating the latest technologies delivering quality and value for professional quality performance at an extremely affordable price. Whether your application is professional audio or fixed performance installation, KLR amplifiers are optimized to provide reliable audio performance with sonic perfection. Covering a power range from 1000 to 2000 watts per channel at 2 ohms (20Hz-20kHz, 1% THD),...

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      Item #: ASH-KLR-2000

      Availability: Direct Ship From Manufacturer

      Our Price: $699.00

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      Power Amplifiers

      At Markertek, we carry power amplifiers for a variety of applications, including live sound, broadcasting, and more. These cutting-edge amplifiers provide an efficient power source to your speaker system, so that you can achieve the best possible performance, while also reducing energy costs. We're proud to carry powered amplifier systems from respected brands like Crown, QSC, and Stewart Audio.

      What is an Audio Power Amplifier?

      A powered amplifier (also known as a "power amp") recreates an audio signal at a stronger level, so your loudspeakers can play it back at full volume. Typically, this is the last piece of equipment in the signal chain before the audio reaches the speakers. Before the audio power amplifier, you might also have a pre-amp for boosting low-power signals, an EQ for adjusting frequencies, and other tonal/effect controls.

      If you're searching for a professional-grade power amp for installed sound applications, look no further than the Crown CDI-1000. This two-channel marvel produces crystal-clear sound with virtually no distortion, as well as advanced protection against power shortages and overheating. Meanwhile, if you're looking for a four-channel power amp, the QSC CXD.4 contains robust DSP functionality, including multiple EQs, alignment delay, and limiting.

      To learn more about our speaker amplifier selection, click the "Live Chat" button to chat with us online, or call us toll-free at 800-522-2025. We offer a 100% Money Back Satisfaction Guarantee and free shipping on any order, even if you're purchasing a single speaker accessory. We also carry a wide variety of studio monitors and subwoofers for your rig. Thank you for visiting Markertek!

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