Oxygen Audio Sphere 693 Category:   » Audio. video. a photo » Car audio-video equipment » Autoacoustics Model: Sphere 693 Manufacturer: Oxygen Audio A type       coaxial speaker Number of bands       3 Sensitivity (dB)       89 Frequency Response_2 (Hz)       50 Frequency range_1 (Hz)       25000 Description:

Oxygen Audio Sphere 693