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Totaldac Balloon are claimed as the only fully passive spherical loudspeakers offering full-range response, high efficiency, and point-source sound reproduction without edge diffraction.
The two-way coaxial design combines a 10-inch bass-reflex woofer with a hidden 1-inch compression driver and circular horn integrated inside the cone.
A one-piece 500 mm spherical enclosure delivers low directivity, flat frequency response, 95 dB sensitivity, 8 Ω impedance, and up to 500 W power handling.