Oxygen Audio Sphere 253 Category:   » Auto. Moto » Car audio-video equipment » Autoacoustics Model: Sphere 253 Manufacturer: Oxygen Audio A type       coaxial speaker Number of bands       3 Sensitivity (dB)       90 Frequency Response_2 (Hz)       45 Frequency range_1 (Hz)       25000 Description:

Oxygen Audio Sphere 253