January 30, 2023
Apple Details High-Impedance Headphone Jack on New MacBook Pros

Apple Details High-Impedance Headphone Jack on New MacBook Pros

Posted October 28, 2021 at 2:46pm by iClarified · 3509 views
Apple has posted a support document offering more detail on the new MacBook Pro's high-impedance headphone jack.

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The 3.5 mm headphone jack on the MacBook Pro (14-inch, 2021) or MacBook Pro (16-inch, 2021) features DC load detection and adaptive voltage output. Your Mac can detect the impedance of the connected device and will adapt its output for low- and high-impedance headphones, as well as for line-level audio devices.

When you connect headphones with an impedance of less than 150 ohms, the headphone jack provides up to 1.25 volts RMS. For headphones with an impedance of 150 to 1k ohms, the headphone jack delivers 3 volts RMS. This may remove the need for an external headphone amplifier.

With impedance detection, adaptive voltage output, and a built-in digital-to-analog converter that supports sample rates of up to 96 kHz, you can enjoy high-fidelity, full-resolution audio directly from the headphone jack on your MacBook Pro.
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You can order the new MacBook Pros here:
14-inch MacBook Pro ($49.01 off)
16-inch MacBook Pro ($49.01 off)


Apple Details High-Impedance Headphone Jack on New MacBook Pros
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