Audio-Technica AT-PHA55BT User Manual

Audio-Technica AT-PHA55BT Amplifier manual cover
Pages 16
Year 2017
Language(s)
English en

Audio-Technica AT-PHA55BT Amplifier Specification

The Audio-Technica AT-PHA55BT is a compact, high-fidelity portable headphone amplifier designed to enhance audio quality for discerning listeners. This device incorporates Bluetooth 4.2 technology with support for aptX, AAC, and SBC codecs, ensuring a rich and detailed wireless audio experience. The amplifier features a robust aluminum body that houses a high-quality AKM AK4375 DAC, which delivers superior sound resolution by processing digital signals with remarkable clarity and precision. With an output power of 35 mW per channel and an impedance range of 16 to 100 ohms, it is adept at driving a wide variety of headphones, providing enhanced depth and dynamics across the frequency spectrum.

The AT-PHA55BT also supports multi-point connectivity, allowing users to pair it with two Bluetooth devices simultaneously, and offers a 3.5 mm auxiliary input for wired connections. Its built-in lithium polymer battery provides up to eight hours of continuous playback on a single charge, and it can be conveniently recharged via a micro USB port. For added convenience, the amplifier includes built-in controls for volume, track selection, and call management, as well as a microphone for hands-free communication. Weighing just 78 grams, its lightweight and portable design make it ideal for on-the-go use, while the sleek aesthetics and durable construction ensure both style and longevity. The Audio-Technica AT-PHA55BT delivers a seamless blend of convenience, performance, and portability, making it a versatile choice for audio enthusiasts seeking to elevate their listening experience.

Audio-Technica AT-PHA55BT Amplifier F.A.Q.

How do I pair the Audio-Technica AT-PHA55BT with my smartphone?

To pair the AT-PHA55BT with your smartphone, turn on the amplifier and enable Bluetooth pairing mode by pressing and holding the power button until the LED indicator flashes. On your smartphone, enable Bluetooth and select 'AT-PHA55BT' from the list of available devices.

What should I do if the AT-PHA55BT is not charging?

If the AT-PHA55BT is not charging, ensure that the USB cable is securely connected to both the amplifier and a power source. Try using a different USB cable or power adapter if the issue persists. Check the power source to ensure it is functional.

How can I reset the AT-PHA55BT to factory settings?

To reset the AT-PHA55BT, turn off the device. Press and hold the power button and the volume down button simultaneously until the LED indicator flashes red and blue alternately, indicating a reset.

What is the battery life of the AT-PHA55BT?

The AT-PHA55BT offers up to 8 hours of continuous playback on a full charge, depending on the volume level and audio content.

Can the AT-PHA55BT be used while charging?

Yes, the AT-PHA55BT can be used while charging. Connect it to a power source using the USB cable, and you can continue listening to audio without interruption.

How do I update the firmware on the AT-PHA55BT?

To update the firmware on the AT-PHA55BT, visit the Audio-Technica website and download the latest firmware version. Follow the instructions provided with the firmware update tool to complete the installation.

What should I do if there is no sound from the AT-PHA55BT?

If there is no sound, check the connection between the amplifier and your audio source. Ensure the volume is turned up and the amplifier is powered on. Try restarting the amplifier and reconnecting it to your device.

How can I improve the Bluetooth connection stability of the AT-PHA55BT?

To improve Bluetooth connection stability, ensure there are no obstructions between the AT-PHA55BT and your audio source. Minimize interference from other electronic devices and keep both devices within close proximity.

Is the AT-PHA55BT compatible with all headphones?

The AT-PHA55BT is designed to be compatible with most headphones that use a standard 3.5mm audio jack. However, performance may vary depending on the headphone's impedance and sensitivity.

What is the range of the Bluetooth connection for the AT-PHA55BT?

The Bluetooth connection range for the AT-PHA55BT is approximately 10 meters (33 feet) in open spaces, but it may vary depending on environmental factors and obstacles.