Klipsch KA-1000-THX (Each)

The Klimpsh KA-1000-THX subwoofer amplifier delivers the robust performance required to power the Klipsch THX® Ultra2 system with unwavering reliability. Engineered for rigorous use, this amplifier ensures listeners capture every nuance of dynamic content—from subtle musical passages to explosive cinematic moments—with authoritative control and precision.

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 @ <1.5% THD
Dynamic Power: 2050W into 8 ohms,
3025W into 4 ohms @ 5% THD
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