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  • Audirect Beam 4 USB DAC with 3.5mm, 4.4mm Headphone Amp | Battery Built-in

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    Audirect's Flagship Portable DAC Amplifier

    • DAC chip used is ESS Sabre HiFi saber series ESS 9281 AC PRO, supporting up to PCM 32bit/768kHz and DSD 512 decoding.
    • Offers both 3.5mm single-ended and 4.4mm balanced interfaces, catering to different needs.
    • Built-in MCU battery management system for intelligent power allocation.
    • Supports Apple Music Lossless high-fidelity lossless music.
    • The outer shell is made of an integrated copper-zinc alloy and has a sleek design, weighing only 62 grams.
    • The body comes with volume control and a three-level gain adjustment feature.
    • Frequency response range is 20Hz-40kHz, with a signal-to-noise ratio ≥-119dB.

    Three-level Gain Adjustment Feature

    • The three adjustable gain settings make driving different types of headphones easier. The Low Gain is suitable for driving high-sensitivity in-ear headphones, while the High Gain offers excellent driving capability for over-the-ear headphones. It is more convenient to set the appropriate volume level and is a great portable choice for audiophiles who desire an amplifier DAC with excellent resolution and strong driving power.

    Built-in MCU Battery Management System

    • Beam 4 has a 1200mAh large-capacity battery and is equipped with a high-end battery management IC microcontroller (MCU) for intelligent power allocation, controlling the DAC's current consumption to work between 3.85v-4.2v.
    • In addition to maintaining a strong output for extended periods, it can automatically determine the connected device's battery level, decide whether to draw power from it, improve power efficiency, extend battery life, and ensure lasting performance on the go. It also enhances the input pulse for noticeably improved audio detail and dynamics.

    Android and Apple Dual Cables

    • In addition to the Type-C cable and USB-A adapter, it also comes with a Type-C to Lightning cable.

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