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Amazon.com: Headphone Amplifier, Portable HiFi Headphone Amp 3.5mm Stereo Audio Gain Switch Support Impedance 16-300Ω Headset for MP3/MP4 /Phones/Digital Players/Computers/Xbox one,PS4,PS5 Controller : Electronics
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New MacBook Pros Feature 3.5mm Headphone Jack With Advanced Support for High-Impedance Headphones, Six-Speaker Sound System - MacRumors
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