Marantz Pro PHA3 - Frequently Asked Questions

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PHA3 hero webThe PHA-3 Stereo Field Production Headphone Amplifier provides three independent headphone feeds from balanced or unbalanced sources, and can drive headphones to high levels at audiophile quality with low distortion.  This article walks through a number of frequently asked questions about the Marantz Pro PHA3.


Frequently Asked Questions



How many headphones can I connect to the PHA3?

Each PHA3 has (3) 1/4" headphone output connections and (1) 1/8" headphone output.


Can I daisy chain multiple PHA3s together?

Yes!  Connect the LOOP OUT port to the LOOP IN of an additional PHA3. This lets you “daisy chain” multiple PHA3 units together. Use the included 1/4”-to-1/8”  TRS cable or any standard 1/4” TRS cable.


Does the PHA3 require a power supply?

The Marantz Pro PHA3 can be powered using the included power supply or using (2) AA alkaline batteries for wireless use.


How long will the unit last on full battery power?

The batteries will last approximately 12 hours when powering one set of 75 ohm headphones or approximately 8 hours powering one set of 56 ohm headphones.



Further Technical Support

Whether you are a customer or dealer, if you already own a Marantz Professional product, or if you just have pre-sales questions, the Marantz Professional technical support team is available to help!

Visit the link below to connect with any of the following support options: phone support, email support.



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