BJ10 is a hifi headphone amplifier with 3.5mm and 4.4mm outputs, supporting a maximum of 384kHz/32-bit and headphones with an impedance range of 16 Ω to 600 Ω Greatly enhancing the auditory experience for music enthusiasts Having two flagship devices with good reputation, -CS43131 chip, equipped with Master HiFi technology, excellent performance, outstanding listening experience, Supports up to 384KHz/32-bit PCM and DSD256 digital audio codec With a sampling rate of up to 32bit/384Hz, it supports high-resolution audio formats, Realistic restoration of music details, always feeling beyond CD level, Non destructive listening experience Equipped with a gain switch, one key to activate high thrust. Easily drive professional grade Hi Fi equipment, with balanced port output power of up to 162mW under high gain, and powerful output power. model:BJ11Pro Output impedance:160-6000 adaptive dynamic range:125dB frequency response:20HZ-80KHz signal-to-noise ratio:124dB distortion:-105dB decoding ability:32Bit/384KHZ-PMC Output power:Unbalanced 125mW@32ohm/Balanced 500mW@32ohm Color: As Shown Material: ABS Package Contents: 1 * Headphone Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.