Compact enough to fit in the palm of your hand, the Urban Grey Micro SE Nucleus Speaker from Anthony Gallo Acoustics will give you amazing sound for all your favorite movies and music. By utilizing a spherical shape, Gallo Acoustics has eliminated internal resonance and external diffraction, the two main culprits of loudspeaker distortion. With four separate mounting options available, Gallo''s Micro SE Speaker is flexible and conforms to your living space. This speaker is outfitted with a specially developed ultra-wide dispersion flat-diaphragm transducer that covers a frequency range from 100Hz to 22Khz, all powered by a single driver. This technology is what leads the Micro Nucleus SE to perform like a true audiophile loudspeaker without the bulky dimensions or excessive price tag. • Note: Stands and mounts are sold separately. [Details]Frequency response (on-wall or floor-stand): 100 Hz to 22 kHzFrequency response (isolation ring): 120 Hz to 22 kHzSensitivity: 85 dB/w 2.8v (1M)Nominal impedance: 4 OhmsPower handling: 125 WattsDriver: 3" wide-dispersion flat diaphragmCone material: Aluminum honeycomb sandwichEnclosure material: mild steel/stainless steelDimensions: 4" sphereHeight on wall-stand: 91.5 cmWeight: 737gWarranty: 5 years parts and labourModel: GMSEUG