Boston Acoustics ProSeries 4.5 Category:   » Audio. video. a photo » Car audio-video equipment » Autoacoustics Model: ProSeries 4.5 Manufacturer: Boston Acoustics A type       component speaker Number of bands       2 Sensitivity (dB)       90 Frequency Response_2 (Hz)       85 Frequency range_1 (Hz)       22000 Description:

Boston Acoustics ProSeries 4.5