Vintage JBL SYNTHESIS II Main S2M (L-R) Horn Loaded THX Certified For Sale - US Audio Mart
JBL 3.1 Professional Theater Speaker System 18" Subwoofer!! THX Certif
JBL THX Speakers - 10 Channel - HT Series - $500 | AVS Forum
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JBL HT1 THX Certified
JBL Professional - Powerful performance and flexibility meets superior sound reinforcement. JBL Pro 7 Series studio monitors and 4641 subwoofers deliver exceptional sound quality and impressive detail to all of your recording
JBL Synthesis S4Ai In-Wall Surround Loudspeaker - Reference AV