Audio-Technica AT-PHA100 Portable Headphone Amplifier with USB DAC

The Audio-Technica AT-PHA100 Portable Headphone Amplifier is designed for audiophiles seeking superior sound quality on the go. With its compact design and robust features, this amplifier enhances your listening experience by delivering rich, detailed audio with ultra-low distortion. It supports both analog and digital inputs, making it versatile for various audio sources.

Features

• Powerful Sound Enhancement: Delivers rich and detailed audio across the frequency range with ultra-low distortion.
• Dual Input Options: Equipped with both analog (3.5 mm jack) and digital (USB micro-B) inputs for versatile connectivity.
• High/Low Gain Switch: Allows you to optimize output for different headphone impedances, ensuring the best listening experience.
• Durable Build: Enclosed in an all-aluminum casing to protect the internal circuitry and enhance durability.
• Long Battery Life: Provides up to 14 hours of playback for analog signals and up to 6 hours for digital signals.
• Precision Control: Features a machined aluminum volume knob for smooth volume adjustments.
• Sampling Indicator: Five-stage indicator for digital signal input to keep track of the sampling rate.
• Includes Accessories: Comes with a 1.0 m USB cable and a 10 cm audio cable for immediate use.

Specifications

• Supported Headphone Impedance: 10 – 300 ohms
• Maximum Output Level: 100 mW + 100 mW at 16 ohms, 80 mW + 80 mW at 32 ohms
• Frequency Response: 10 Hz – 100 kHz (-1 dB)
• Signal-to-Noise Ratio: 110 dB (A-weighted)
• Total Harmonic Distortion: <=0.001% at 32 ohms (10 mW output)
• Digital Input Formats: Supports DSD128 (DoP), DSD64 (Native/DoP), PCM up to 384 kHz/32-bit
• Power Supply: 5V DC, 500 mA bus power system
• Operating Temperature: 5° – 40° C (41° – 104° F)
• Dimensions: 27 mm H × 77 mm W × 116 mm D
• Weight: Approximately 240 g