Phonitor One d Headphone Amplifier

SPL Phonitor One d

The SPL Phonitor One d is a high-resolution headphone amplifier and DAC designed for audio professionals who demand precision monitoring and powerful playback. It combines the same trusted analog signal path and Phonitor Matrix found in the Phonitor One with a premium AK4490 Velvet Sound DAC that supports PCM up to 768 kHz and DSD256, making it an ideal solution for digital workflows. With analog TRS and RCA inputs plus a USB-C port for plug-and-play audio streaming from Mac, Windows, or iOS devices, it's built to integrate seamlessly into hybrid studios.

Beyond headphone duties, the Phonitor One d includes a fixed-level Line Out for use as a standalone DAC, expanding its utility into monitor control chains, recording paths, or multilistener setups. The Matrix crossfeed circuit provides the clarity and realism of speaker monitoring directly through your headphones. With its low-noise op-amps, powerful Class AB output stage, and flexible digital and analog I/O, the Phonitor One d is an all-in-one solution for uncompromising monitoring in any format.

Phonitor One d Features

• Headphone amplifier for analog and digital sources
• Integrated 32-bit AK4490 DAC with up to 768 kHz PCM and DSD256 support
• USB-C input for Mac, Windows, iOS (Class Compliant)
• SPL Phonitor Matrix with adjustable crossfeed and fixed 30 degree angle
• Line Out for standalone DAC operation and system integration
• Class AB headphone amplifier with high headroom and low impedance drive
• Dual analog inputs (TRS and RCA) and -10 dB output attenuation switch