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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier
Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier
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Klipsch KA1000THXNA THX Ultra 2 Subwoofer Amplifier
Brand New · Factory Sealed · Klipsch Authorized Dealer
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Free Canada-wide Shipping Shipped when Received
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Trusted by 150,000+ Canadian customers since 2001
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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:

  • 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

Product Details

  • Klipsch KA1000THXNA 
  • Brand New : Factory Sealed
  • UPC : 743878026122 
  • EFLC : 7866
  • Write a review

Warranty

One Year Warranty

  • Parts and Labour Warranty
  • Canada-wide Coverage
  • Klipsch Authorized
View the detailed warranty policy

Returns

Easy Returns

  • 14-day return window on eligible items
  • Full refund issued in accordance with our return policy
View our full return policy

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.

What Our Customers are Saying
Real Canadian retailer — 150,000+ customers served
68 weeks ago
★★★★★
“Great service. Clear info on the open-box condition and quick shipping. Speakers sound great!”
— Philippe C.
43 weeks ago
★★★★★
“Great speakers! Shipping was super fast, ordered Wednesday afternoon and it arrived the next morning.”
— Nancy G.
Recently posted
★★★★★
“Another excellent service from Mason S. Delivery of beautiful speakers was handled professionally.”
— Rene G.
8 weeks ago
★★★★★
“Customer service was excellent. Very friendly. I ordered online and the speakers arrived very quickly. Would recommend to anyone.”
— Patrick S-R.