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Amazon.com: iFi Hip-dac2 - Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced – MQA Decoder : Electronics
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Amazon.com: iFi Hip-dac Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced (Unit only) : Electronics
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Amazon.com: iFi Hip-dac2 - Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced – MQA Decoder : Electronics
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Amazon.com: Audioengine D1 Portable Desktop Headphone Amp and DAC, Preamp, USB/Optical Inputs, Hi-Res Audio Playback : Electronics
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Amazon.com: iFi Hip-dac Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced (Unit only) : Electronics
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Amazon.com: iFi Hip-dac Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced (Unit only) : Electronics
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Amazon.com: FiiO i1 Portable DAC and Amplifier for Apple Lightning Port with Built-in Microphone and IOS Remote Controls for IPHONE/IPAD/IPOD : Electronics
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