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Amazon.com: ALABS Wooden Over-Ear Wired Closed Back Headphones with 50mm Drivers and 32Ω impedance for PC Tablets Smartphone-HW501 : Electronics
Amazon.com: 2.1 Channel Home HiFi Stereo Amplifier, 3.5mm Audio In to 20Wx2 15W RMS Output for 2 - 8 Ohm impedance Speaker with Treble Bass Volume Subwoofer Control(Black) : Electronics
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