KA-1000-THX vs SpeakerPower SP2-8000-HT
The SP2-8000-HT's power @ 8ω is 1.3kW against the KA-1000-THX's 500W, its power @ 4ω 2.6kW against 1.0kW, and its output impedance 2Ω against 8Ω. Both share class (D).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$850 - $2,199
Around — community and catalog average, updates slowly
About the KA-1000-THX
The Klipsch KA-1000-THX is a high-performance, THX Ultra2-certified Class D digital power amplifier specifically designed to drive Klipsch KW-120-THX subwoofers. It delivers 500 watts continuous output into 8 ohms (single subwoofer) or 1000 watts continuous into 4 ohms (two subwoofers in parallel). The amplifier features a massive toroidal power supply, a continuously variable low-pass crossover from 40 to 120 Hz, adjustable phase control from 0 to 180 degrees, boundary gain compensation, and a signal-sensing auto on/off mode. It includes two gold-plated RCA line-level/LFE inputs and outputs, and professional SpeakOn NL2 speaker outputs for secure, high-current connections. The unit has a machined black anodized aluminum front panel with aluminum control knobs and a detachable AC power cord. It is designed for rock-solid dependability and high sound quality in demanding home theater and music applications.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 500W @ 8Ω
- Power @ 4Ω
- 1.0kW @ 4Ω
- Amplifier Class
- D
- Minimum Impedance
- 4Ω
Analog Output
Analog signal output specifications
- Output Impedance
- 8Ω
Connectivity
Input and output connections
- Analog Inputs
- RCA
- Analog Outputs
- RCA, SpeakOn
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 440.45 × 117.48 × 350.51 mm (W × H × D)
- Weight
- 12.25 kg (27 lbs)
Key Specifications
Power: 500W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions