• HOTMAI A555 USB Power Multimedia Speaker

    🔊 Core Specifications & Design

    • Configuration: This is a 2.0 stereo speaker system with two compact satellite units. The speakers are powered via a standard 5V USB connection and use a 3.5 mm AUX cable for audio input.

    • Output Power: Typically rated at around 2.5 W RMS per speaker (total ~5 W RMS), though some versions may be rated at 3 W + 3 W.

    • Drivers: Each speaker houses a 2-inch (approx. 50 mm) full-range driver, offering reasonable clarity for multimedia use.


    🎧 Audio Performance & Technical Specs

    • Impedance: 4 ohms, which is standard for compact multimedia speakers and compatible with USB power systems.

    • Signal-to-Noise Ratio (S/N): About 65 dB, offering acceptable sound quality for personal use.

    • Isolation Rate: Around 45 dB, helping reduce external noise interference during playback.

    • Power Supply: The system is powered directly through USB, so no external power adapters are required.


    🧱 Physical Attributes

    • Dimensions: Each speaker is approximately 7.5 cm wide and 13 cm tall—compact enough for use on a desktop or in tight spaces.

    • Build: Durable plastic construction with a basic, functional design.

    • Controls: Includes a physical volume control knob, typically located on one of the speakers or inline with the cable.

    • Connectivity: Comes with two cables—one USB for power and one 3.5 mm AUX for audio input—making it compatible with desktops, laptops, tablets, and phones.


    ✅ Pros & ⚠️ Cons

    ✅ Pros ⚠️ Cons
    USB-powered—no need for external power adapter No Bluetooth or wireless capabilities
    Plug-and-play functionality Limited bass due to compact driver size
    Compact and space-saving design Sound may distort slightly at high volumes
    Volume knob for manual control Not suitable for large rooms or surround sound

    🎯 Ideal Use Cases

    • Desktop setups: Enhances audio for PCs and laptops.

    • Dorms or small rooms: Great for small spaces with limited plug access.

    • General multimedia: Suitable for music, video streaming, online classes, or podcasts.

    • Office environments: Adds clear, low-profile audio without disrupting your workspace.

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