Kopul designed this compact balanced headphone amplifier for detailed studio monitoring, immersive home-theater listening, DJ use, and audiophile headphone systems. Its tabletop design accepts a balanced stereo signal through two 3-pin XLR inputs for direct connection to compatible mixing consoles, audio interfaces, and other professional audio sources.

• Balanced and standard headphone support: A 4.4 mm tip-ring-ring-ring-sleeve balanced output supports compatible balanced headphones, while a 1/4-inch tip-ring-sleeve unbalanced output connects standard studio, DJ, and home audio headphones.
• Wide headphone compatibility: The amplifier is designed for headphones with an impedance from 16 to 600 ohms, accommodating a broad selection of consumer, studio, and audiophile headphones.
• Precise listening-level adjustment: The stepless volume knob provides smooth control with up to 22 dB of gain, making it easier to set an appropriate monitoring or listening level.
• Full-range audio performance: A frequency response of 20 Hz to 20 kHz ±1 dB supports accurate reproduction of bass, midrange, dialogue, vocals, and high-frequency detail.
• Clean analog signal path: The amplifier offers a signal-to-noise ratio of 85 dB or higher and a listed maximum output level of 7.6 dB. It does not include wireless connectivity, digital audio inputs, equalization, a display, or digital audio processing.
• Convenient USB-C operation: Power can be supplied through the USB-C input from a suitable computer USB port or compatible USB power adapter. An on/off switch and LED indicator provide straightforward operation and visible power status.
• Rugged compact construction: The durable steel housing helps protect the amplifier during desktop use, equipment setup, storage, and transport while maintaining a compact footprint.