The HKTS 15 includes four satellite speakers with 3-inch midrange and 1/2-inch high-frequency drivers, and a voice-matched, dual-midrange center channel speaker with a 3/4-inch-dome tweeter. Heart-pounding bass is provided by a 10-inch subwoofer with a built-in 100-watt amplifier. Wall-mount brackets for the center channel and satellite speakers are included.
Specifications Satellite
Recommended Power Amplifier Range: 10 – 80 Watts
Impedance: 8 Ohms nominal
Frequency Response: 35Hz – 20kHz (–6dB)
Sensitivity: 86dB @ 1 Watt/1 meter
Tweeter: One 1/2" dome, video-shielded
Midrange Driver: One 3" driver, video-shielded
Dimensions (W × H × D): 3.9 × 6.6 × 3.6 in / 100 × 167 × 92mm
Weight: 1.65 lbs / 0.74kg
Center Channel
Recommended Power Amplifier Range: 10 – 80 Watts
Impedance: 8 Ohms nominal
Frequency Response: 35Hz – 20kHz (–6dB)
Sensitivity: 86dB @ 1 Watt/1 meter
Tweeter: One 3/4" dome, video-shielded
Midrange Driver: Dual 3" drivers, video-shielded
Dimensions (W × H × D): 9.5 × 4 × 3.6 in / 241 × 102 × 92mm
Weight: 2.69 lbs / 1.21kg
Subwoofer
Amplifier Power (RMS): 100 Watts
Bass Driver: 10" Woofer, bass-reflex enclosure
Dimensions (W × H × D): 13.4 × 18.9 × 13.4 in / 340 × 479 × 340mm
Weight: 35.11 lbs / 15.8kg
We only sell brand new USA retail Harman/Kardon HKTS 15 Speaker System. The Harman/Kardon HKTS 15 comes complete with a 5 Year USA Limited Warranty (2 Year on Enclosures).
Can't be shipped to APO/FPO 
