Crystal Audio

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Excellent value for money

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Quick Overview

3D-75 - Wireless Speaker with 3-Dimensional Sound 360°

Experience a realistic large soundstage,
with full depth and height like live music, in your room!
  • Ultimate 3-Dimensional Sound
  • 7 drivers
  • Bluetooth®-equipped
  • HDMI, USB, OPTICAL & AUX input
  • Ideal “In-Room Response”

    Experience natural, lively and balanced sound everywhere in the room

    Sound reflections in a room give music much of its life and vibrancy.
    WiSound speakers use these reflections in all directions equally.

    WiSound results in a natural, vibrant, large-scale, exciting and dynamic sound everywhere in the room

  • 3-Dimensional Sound

    Enjoy Room-filling sound, with 3D-Sound image

  • WiSound technology

    Place it anywhere | Hear perfection everywhere

    The WiSound speaker’s unique design achieves the optimal tonal balance throughout your listening space – not just in a narrow ‘sweet spot’ like other speakers. This vastly improves social listening, and gives you great flexibility regarding placement of the speakers, without performance compromises.

  • Wide Dispersion of Sound

    Enjoy Room-filling sound, with 3D sound image

    WiSound speaker’s unique design, with balanced drivers firing forward, sideways and upwards,
    fills any room with big, vivid, natural, finely-detailed sound and
    re-creates the music source at its full size and natural height.

  • Room Adaptive Dynamic Equalization

    Enjoy the most advanced 3-Dimensional sound experience, with 3 types of Automatic Room Equalization:

    1. 3D-360° Spherical Room Adaptive Equalization
    • natural and pleasant sound
    • rich feeling of space everywhere in the room,
    • without the narrow sweet spot of the conventional speakers

    2. Dynamic Equalization
    • full sound with dynamic Bass
    • automatically adjusted
    • even at very low Listening Levels

    3. Reflections Gain Equalization
    • Listen without Distortion
    • without reflection colorations from walls and furniture

  • Wireless Bluetooth® connection

    Connect your Bluetooth® enabled device wirelessly and enjoy your music cable-free

  • HDMI (ARC) Audio Return Channel

    Send audio from all TV connected devices via a single HDMI cable

  • Optical Input

    Connect your TV or external device via optical input and ensure HQ audio

  • USB Port

    Play your favourite tracks easily and fast

    Using the USB port you can listen to any sound files from your storage devices.

  • AUX Input

    Play audio files stored in other devices, by connecting them to boombox using the auxiliary port


    • Watts 100


    • Max Range (m) 10
    • Version 5.0



    • Woofer 1x ø13cm (5.25 in) long excursion cone
    • Midrange 6x ø5cm (2 in) cone

    Frequency Range

    • Frequency Range 35Hz-20KHz


    • HDMI (ARC)
    • Optical Input
    • USB Port
    • AUX input


    Power Supply

    • Input Voltage (V) 110V - 240V, 50Hz-60Hz
    • Standby Power Consumption <0,5W

    Supported Formats

    • MP3


     Enjoy your music as the artist intended