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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier

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This product is brand-new and factory sealed Klipsch KA1000THXNA Special Order
UPC : 743878026122 5% Price Promise
Warranty : 1yr Manufacturer Special Order Return Policy
Shipping : FREE in Canada Shipped when Received

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Details

The KA-1000-THX subwoofer amplifier is the powerful driving force behind the new Klipsch THX® Ultra2 system. This model offers rock-solid dependability under the most demanding conditions and allows listeners to experience all the power, detail and emotion of their favorite music and movies.

Features:

Delivers 1000-watts into a 4 ohm load
Can support two high performance subwoofers
Finished in black with a machined aluminum front panel and knobs

This full-featured Class D amplifier, which can be conveniently located near the rest of the installation's electronics, has a built-in, defeatable, low-pass crossover and level control, boundary-gain compensation switch, completely variable phase control, and an auto power function. This high-performance amplifier has a massive toroidal power supply that is capable of delivering 1000-watts into a 4 ohm load. It can also support two high performance subwoofers and has a left and right RCA pass-through.

Finished in black with a machined aluminum front panel and knobs, the KA-1000-THX uses professional style NL2 Speakon® outputs for the high current transfer of power to the subwoofer.

The KA-1000-THX delivers a combination of flexibility, reliability and sound quality that is unmatched.

Specifications

Specifications:

Auto Power On: 2 second ON delay, 15 minute OFF delay
Low Pass Crossover: Continuously variable from 40-120Hz, 24dB/octave slope above 120Hz (non-THX mode)
Inputs: 2 Gold-plated RCA phono jacks
Outputs: 2 Gold-plated RCA phono jacks (unfiltered) / 2 Speakon® NL2 jacks
Phase: Continuously variable from 0 to 180 degrees
Dimensions: 4.75" (12.1cm) H x 17.5" (44.5cm) W x 12.25" (31.1cm) D
Weight: 27 lbs. (12.3kg)
Finish: Black anodized aluminum
Voltage: 110/120 VAC 60Hz
Export Voltage: 230 VAC 50/60Hz
Features THX: On/Off, Boundary Gain Compensation On/Off
Frequency Response: 20Hz-1kHz +0/-3dB
Enclosure Type: Use only with KW-120-THX subwoofer enclosures (either one or two)
Amplifier: High-Efficiency Class D

Amplifier Power

FTC Rated Power: 500W into 8 ohms,
1000W into 4 ohms, 20Hz-1kHz @ less than 1.5% THD
Dynamic Power: 2050W into 8 ohms,
3025W into 4 ohms @ 5% THD

More Product Options

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Klipsch KL525THXBlack$1,499.00

Klipsch KL650THXLBlack$1,399.00

Klipsch KS7800THX2White

Klipsch KS7502THX2White$1,199.00

Klipsch KL7502THX2White$1,499.00

Klipsch KL7800THX2White$1,499.00

Klipsch KW120THXOpen Box Black$1,599.00

Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier Shipping : FREE in Canada
Special Order
Now $2,199.00

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Posted 10/16/2025 By: donwhiteford

I purchased a home theater receiver and subwoofer from Electronics for Less and the quality of the products is excellent. They both sound clear and crisp in my home theater setup and we're extremel...

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Posted 07/15/2025 By: DannoManno

Over the years I?ve made multiple purchases from EFLC, culminating in six SVS subs. From start to finish they?ve always taken care of me, and they offer the best discounts in Canada. Their custome...

Posted 07/14/2025 By: Reviewer175123200

Exactly what i see! Good product, good Price.

Posted 07/11/2025 By: Reviewer2630578141

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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier

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Features:

Delivers 1000-watts into a 4 ohm load
Can support two high performance subwoofers
Finished in black with a machined aluminum front panel and knobs

Finished in black with a machined aluminum front panel and knobs, the KA-1000-THX uses professional style NL2 Speakon® outputs for the high current transfer of power to the subwoofer.

The KA-1000-THX delivers a combination of flexibility, reliability and sound quality that is unmatched.

Specifications:

Auto Power On: 2 second ON delay, 15 minute OFF delay
Low Pass Crossover: Continuously variable from 40-120Hz, 24dB/octave slope above 120Hz (non-THX mode)
Inputs: 2 Gold-plated RCA phono jacks
Outputs: 2 Gold-plated RCA phono jacks (unfiltered) / 2 Speakon® NL2 jacks
Phase: Continuously variable from 0 to 180 degrees
Dimensions: 4.75" (12.1cm) H x 17.5" (44.5cm) W x 12.25" (31.1cm) D
Weight: 27 lbs. (12.3kg)
Finish: Black anodized aluminum
Voltage: 110/120 VAC 60Hz
Export Voltage: 230 VAC 50/60Hz
Features THX: On/Off, Boundary Gain Compensation On/Off
Frequency Response: 20Hz-1kHz +0/-3dB
Enclosure Type: Use only with KW-120-THX subwoofer enclosures (either one or two)
Amplifier: High-Efficiency Class D

Amplifier Power

FTC Rated Power: 500W into 8 ohms,
1000W into 4 ohms, 20Hz-1kHz @ less than 1.5% THD
Dynamic Power: 2050W into 8 ohms,
3025W into 4 ohms @ 5% THD

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About Klipsch

In-Wall & In-Ceiling Speakers • Passive Loudspeakers • Centers & Surrounds • All-Weather Speakers

Klipsch is an iconic American audio brand renowned for its high-efficiency speaker designs and signature horn-loaded technology. Known for powerful, dynamic sound with exceptional clarity, Klipsch offers a full range of speakers, soundbars, subwoofers, headphones, and home theater systems. Built on decades of acoustic innovation, Klipsch products are engineered to deliver immersive, lifelike audio for music, movies, and gaming.

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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier

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Features:

Specifications

Specifications:

The K-THX line by Klipsch

Features:

Specifications:

Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier[KA1000THXNA]

About Klipsch

Featured Klipsch Products

Canadian Owned, Canadian Operated.

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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier
[KA1000THXNA]