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Used AKG Acoustics K240 Studio Over-Ear Semi-Open Professional Headphones, 15-25000 Hz Frequency Bandwidth, 55 Ohms Impedance, 1/4" and 1/8" Screw-on Jack Combo 2058X00130
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Amazon.com: AKG Pro Audio K240 STUDIO Over-Ear, Semi-Open, Professional Studio Headphones : Everything Else
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