Universal Audio Power Supply Apollo Twin X
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What you need to know
What you need to know
- Replacement power supply dedicated to Universal Audio Apollo Twin X (Duo/Quad) and Apollo X4 interfaces
- Compliant specifications: 12V DC and 4.2 A for stable studio power
- Suitable connector: 2.1 x 5.5 mm barrel plug
- Connection safety: positive polarity inside
Manufacturer Information
Universal Audio
https://www.uaudio.com
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Safety manager:
Universal Audio, Inc.
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A simple solution to get your Apollo Twin X or X4 back in operation
Designed as a replacement power supply, this adapter meets the needs of Apollo Twin X and Apollo X4 users who want to restore reliable power after loss, failure, or to equip a second workstation. The goal is clear: to maintain the expected behavior of the interface (stability, startup, performance) by respecting the recommended power values.For which users and studio applications?
This model is intended for musicians, beatmakers, sound engineers, and content creators who use an Apollo Twin X Duo/Quad or an Apollo X4 daily. Ideal for both fixed studios and mobile setups, it helps secure your recording and mixing sessions by preventing unexpected interface shutdowns due to incompatible power supply.Compatibility, connectivity, and connection precautions
Compatibility depends as much on voltage and current as on the plug format. Here, the whole is designed to fit the specified models, with a 2.1 x 5.5 mm barrel plug and positive polarity inside. Always verify before powering on that the device concerned is indeed an Apollo Twin X (Duo/Quad) or an Apollo X4 to avoid any incompatibility.Technical specifications
| Headphone outputs | No | ||
| Type | replacement power supply | Current | 4.2 A |
| Compatibility | UA Apollo Twin X Duo/Quad, UA Apollo X4 | Connector | 2.1 x 5.5 mm barrel plug |
| Voltage | 12V DC | Polarity | center-positive |
Questions frequently asked
Is this power supply compatible with an Apollo Twin X Duo or Quad?
This power supply is designed for Apollo Twin X Duo and Apollo Twin X Quad interfaces.
Can this power supply be used with an Apollo X4?
The power supply unit is intended for the Apollo X4. Compatibility should be verified with the interface model before powering on.
What is the plug size of the Universal Audio Apollo Twin X power supply?
The connector uses a 2.1 x 5.5 mm barrel plug. The polarity is positive on the inside.
What polarity is required to power an Apollo Twin X?
A positive center polarity is required with this 2.1 x 5.5 mm barrel plug.
Can this power supply be used for a second studio workstation?
It can equip a second workstation using an Apollo Twin X or an Apollo X4. It is suitable for both fixed studio and mobile setups. The unit ensures proper startup and expected interface stability.



