I don't know really..but here's the specs from the Klipsch site...
Specifications
FREQUENCY RESPONSE:
25Hz-20kHz +/- 5dB
POWER HANDLING:
FTC Rated per Satellite: 60 w/channel @ ≤ 1% THD, 100Hz - 1KHz (Note: all channels driven)
FTC Rated Subwoofer: 170 w @ ≤ 3% THD, 40 - 100Hz
Maximum Burst Power*: 500 w
MAXIMUM ACOUSTIC OUTPUT:
115dB at listening position (near field)
CROSSOVER FREQUENCY:
HF: 3000Hz
LF: 120Hz
TWEETER:
25mm metalized polymer
HIGH FREQUENCY HORN:
MicroTractrix ™ horn
MIDRANGE:
3" fiber composite
SUBWOOFER:
Dual 8" side-firing fiber composite drivers
AMPLIFIER:
BASH ®, dual supply, switching/linear hybrid
ENCLOSURE MATERIAL:
MDF
ENCLOSURE TYPE:
Satellites and center—sealed
Subwoofer—6th order bass reflex
WIRE GAUGE ACCOMMODATED:
18 gauge supplied
INPUT CONNECTIONS:
DIN cable to control module
INPUTS:
6 analog discrete channels (3 stereo miniplugs), Auxiliary stereo miniplug music input
OUTPUTS:
5 speaker level outputs (spring clips)
MOUNTING:
Wall brackets (wb-1) and telescopic floor stands (SAT 2) available at Klipsch web store
WEIGHT:
52.5 lbs
FEATURES:
Center channel has rear post angle adjustment for positioning
VOLTAGE:
120 volt
BUILT FROM:
2003