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Amazon.com: dBTechnologies Opera 2-Way Active Speaker, 15 Inch, 600W, 130 dB (AMS-OPERA-15), LF : Everything Else
The Music Store, Inc. - dB Technologies OPERA 12 2 way active speaker 12" woofer, 600W RMS, max SPL 129 dB, asymmetrical CD horn, Dimensions: 350x642x349 mm, weight: 14.3 kg (31.53 lbs.)
dB Technologies Opera 10 and SUB 615 Complete PA Package at Gear4music
dB Technologies OPERA P15 2-Way 15" Passive Speaker OPERA P15
dB Technologies Opera 15 – Thomann United States
Encl Powered DB Opera 510 DX 10in 400 Watt Ceceres Music - Instruments for everyone!
DB Technologies Opera 10 - 600W 10" 2-Way Active Speaker
dB Technologies Opera 10 Active PA Speakers with Stands at Gear4music
OPERA 12
Amazon.com: dBTechnologies Opera 2-Way Active Speaker, 15 Inch, 600W, 130 dB (AMS-OPERA-15), LF : Everything Else
DB Technologies OPERA 12 12" 2-Way Active Speaker, 600W, DSP | Full Compass Systems