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Klipsch® KA-1000-THX Subwoofer Amplifier
Klipsch® KA-1000-THX Subwoofer Amplifier 0
Klipsch® KA-1000-THX Subwoofer Amplifier 1

Klipsch® KA-1000-THX Subwoofer Amplifier

Model #: KA-1000-THX (120V)
875251
Klipsch
At a Glance
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.
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Get to know this product.

  • 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 can deliver 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.

Useful Documents
Specification Sheet
Manual
Specifications

General

Frequency Response20Hz-1kHz +0/-3dB
Enclosure TypeUse only with KW-120-THX subwoofer enclosures (either one or two)
AmplifierHigh-Efficiency Class D
Auto Power On2 second ON delay, 15 minute OFF delay
Low Pass CrossoverContinuously variable from 40-120Hz, 24dB/octave slope above 120Hz (non-THX mode)
Inputs2 Gold-plated RCA phono jacks
Outputs2 Gold-plated RCA phono jacks (unfiltered) / 2 Speakon® NL2 jacks
PhaseContinuously variable from 0 to 180 degrees
FinishBlack anodized aluminum
Voltage110/120 VAC 60Hz
Export Voltage230 VAC 50/60Hz
Key FeaturesTHX On/Off, Boundary Gain Compensation On/Off

Amplifier Power

FTC Rated Power500W into 8 ohms, 1000W into 4 ohms, 20Hz-1kHz @ <1.5% THD
Dynamic Power2050W into 8 ohms, 3025W into 4 ohms @ 5% THD

Misc. Specs

Depth (in.)12.25
Height (in.)4.75
Impedance4; 8 Ohms
Width (in.)17.5
MPN1016569
Product Weight (lbs.)27
ColorBlack
WarningProposition 65 Warning for California Residents
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