Crystal Audio

Crystal Audio

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Studio 40 b

Champions Pro

TEST

Quick Overview

Gaming Reference Active Noise Cancelling Earphones with 2.4GHz dongle

Perfect Video Synchronization, Sound Quality, with Noise Cancellation
  • Zero latency via 2.4GHz adapter for life-like movies and gaming experience
  • True Wireless functionality for perfect convenience
  • Active Noise Cancellation for minimal distractions
  • 8 hours of playback, 33 hours with case
  • Playful and lightweight case
$69
  • 2.4GHz Ultra Fast Connectivity

    Enjoy Seamless Audio-Video Sync

    Experience the pinnacle of wireless audio with a 2.4GHz USB dongle for rapid connectivity. This cutting-edge technology ensures superior sound quality and ultra-low latency, outperforming traditional Bluetooth connections. Perfect for gaming, movies, and music, enjoy a flawlessly synchronized audio-visual experience without compromises.

  • Ultra-Low Latency

    Elevate your video, gaming and movie-watching experience and enjoy flawless entertainment without delay

    Ultra-low latency ensures audio and visuals are in perfect harmony. This feature enhances your entertainment experience, making it ideal for avid gamers, movie enthusiasts, and anyone who appreciates precision in sound delivery. Enjoy music, videos, and games with the confidence of no lip-sync errors, immersing you in a seamless auditory and visual journey.

  • Active Noise Cancelling

    Filter out unwanted external sounds from your surroundings

    Leveraging advanced noise-cancelling algorithms, these ANC headphones are engineered to filter out external distractions, allowing you to immerse fully in your music or maintain concentration during meetings and calls. Whether you are navigating the bustling city streets or working from the tranquility of your home, they ensure your audio experience is uninterrupted and pure. Perfect for enhancing productivity and enjoying a serene listening environment.

  • Call Noise Cancelling

    Clear Conversations, Anywhere

    Equipped with sophisticated Call Noise Cancelling technology, these headphones excel in isolating human voices from the background noise of busy streets or windy environments. This ensures your voice remains clear and natural during calls without the need to speak louder. Experience seamless communication, making every conversation as effortless as if it were happening in a quiet room.

  • Long Playback Time

    Enjoy many hours of listening

    The earbuds offer a total of 8 hours of playback time.

  • Long Playback Time with ANC

    Enjoy many hours of listening

    The earbuds offer a total of 6.5 hours of playback time, with ANC.

  • High Capacity Battery

    Forget frequent charging

    The high capacity of the batteries included in each earpiece and the case, ensures that you will not run out of battery mid-day

  • Bluetooth 5.3

    Enjoy longer playback time and stable connection

    The new Bluetooth version adds several feature enhancements that improve the reliability, the energy efficiency and offer the best user experience available.

  • Premium Sound

    Experience great audio, superb dynamic range, exceptional sound accuracy

    Enjoy you Music, Videos and Games! Test your Headphones, Speakers, on every aspect of Sound Performance with the Best Tracks for:
    BASS, MIDRANGE, TREBLE, SPATIAL IMPRESSION, IMAGING, 3-Directional Soundstage Width, Depth, Height & Focus, SOUND BALANCE & Dynamics, TRANSPARENCY, Rhythm & Timing, TIMBRE, Attack & Decay.

    Enjoy and share our 9 PLAYLISTS* with the Best Tracks to Test your Speakers and Headphones on TIDAL and Spotify:
    Playlists

    *Selected by Crystal Audio engineers, based on ITU-R BS.1284-2 (01/2019) International Standard for Sound Performance.

  • Deep & Powerful Bass

    Enjoy impressively deep Bass that brings out all low-end frequencies from movie sound effects to lively music tracks

    Bass: The four low octaves, with their centre frequencies below 250 Hz.

    A. SUB-BASS: Center Frequency:31Hz, Frequency Range: 20-40Hz
       Sound Characteristics: Weighty Sound felt more than heard.
       The sound is free from these Colorations: Rumble
    Examples of instruments sound: Kick Drum, Bass, Organ

    B. LOW BASS: Center Frequency:63Hz, Frequency Range: 40-80Hz
       Sound Characteristics: Depth, Thud, Bass Fullness
       The sound is free from these Colorations: Boomy, lose definition
    Examples of instruments sound: Kick Drum, Bass, Piano

    C. MID-BASS: Center Frequency:125Hz, Frequency Range: 80-160Hz
       Sound Characteristics: Fat, Body, Weight
       The sound is free from these Colorations: Chesty, plummy, boomy, unclear
    Examples of instruments sound: Punchy Bass, Vocals’ fullness, Toms Attack, Guitar & Snare Fullness, Warm Piano & Horns

    D. UPPER BASS: Center Frequency:250Hz, Frequency Range: 160-320Hz
       Sound Characteristics: Warmth,
       The sound is free from these Colorations: Boxy, hollow, muddy
    Examples of instruments sound: Vocals, Electric Guitar, and Snare Fullness & Liveliness. Many acoustic instruments, Brass (e.g., alto saxophone), Woodwinds (e.g., clarinet), Violins, etc.

    Enjoy and share our BASS PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Natural & Pleasant Vocals

    Listen to information-rich midrange frequencies that deliver even the tiniest sound details leading to a fine-tuned audio experience.

    Midrange / Vocals: The three midrange octaves, with their centre frequencies between 250Hz-4kHz

    A. Low-Mid: Center Frequency 500Hz Frequency Range: 320-640Hz
    Sound Characteristics: Projection, Presence
    The sound is free from these Colorations: Tubelike, Tunelly, Honky
    Examples of instruments sound: Texture balance, Horn effect on Vocals, Bassline Attack & Clarity

    B. Mid-Midrange: Center Frequency 1kHz Frequency Range: 640Hz-1.25kHz
    Sound Characteristics: Focused & Loud Projection, Whack, Attack
    The sound is free from these Colorations: Cuplike, Honky, Nasal
    Examples of instruments sound: Attack on snare drum, guitar and percussion, ""phone effect"" on vocals

    C. Upper-Mid: Center Frequency 2kHz Frequency Range: 1.25-2.5kHz
    Sound Characteristics: Crunch, Crispy, Musical, Natural, Intense of Sound
    The sound is free from these Colorations: Nasal, Hard, Gritty
    Examples of instruments sound: Vocals Articulation, Guitars liveliness

    Enjoy and share our MIDRANGE PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Crystal Clear Treble

    Experience pure, crisp high frequencies without distortions

    Treble: The three high octaves, with their centre frequencies above 4kHz.

    A. Low-Treble: Center Frequency 4kHz Frequency Range: 2.5-5kHz
    Sound Characteristics: Clarity, Presence, Edge, Detail
    The sound is free from these Colorations: Upper hardness, Wiry, Harshness
    Examples of instruments sound: Vocals Clarity, and Detail, Toms Attack, Snare Crispness, Violin & Piccolo Harmonics, Clarity of any instrument taking a solo

    B. Mid-Treble: Center Frequency 8kHz Frequency Range: 5kHz-10kHz
    Sound Characteristics: Crystal, Metallic, Sizzle, Brightness, Brilliance, Detail, Air
    The sound is free from these Colorations: Sharp, Metallic, Sibilant
    Examples of instruments sound: Attack on snare drum, guitar and percussion, ""phone effect"" on vocals Cymbals, Synths, Metallic Percussion, Steel string instruments, Snare crispness, Electric guitar air/sizzle

    C. Upper-Treble: Center Frequency 16kHz Frequency Range: 10-20kHz
    Sound Characteristics: Air, Openness, Light, Crispy, Delicate
    The sound is free from these Colorations: Fizzy, Gritty, Hiss
    Examples of instruments sound: Hi-hat & Cymbals, Adds ambience to all sounds

    Enjoy and share our TREBLE PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Spatial Impression

    The performance appears to take place ​in an appropriate spatial environment

    Experience Homogeneity of Spatial Sound Reverberance, Acoustic balance, Apparent room size, Depth perspective,​ Sound color of Reverberation.
    Examples of common descriptive terms: Reverberate /dry, Large/small room, Direct/indirect.

    Enjoy and share our SPATIAL IMPRESSION PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Stereo Impression - Imaging

    The Sound Image appears to have the correct and appropriate ​Direction Distribution of the Sound Source.

    Experience Directional balance​, Stability, Sound Image width, Location accuracy. Examples of common ​descriptive terms: Wide / Narrow , Precise / Imprecise

    Enjoy and share our STEREO IMPRESSION PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Sound Balance

    The individual Sound Sources appear to be properly balanced in the general Sound Image.

    Experience Loudness Balance​, Dynamic Range
    Examples of common ​descriptive terms: Sound Source too Loud / too Weak, Sound Compressed / Natural

    Enjoy and share our SOUND BALANCE PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Transparency

    The subjective impression that​ all details of the performance can be clearly perceived.

    Experience Sound source definition, Time definition, Intelligibility
    Examples of common ​descriptive terms: Clear / Muddy

    Enjoy and share our TRANSPARENCY PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

  • Timbre

    The subjective impression of the accurate portrayal of the different sound characteristics of the sound source(s).

    Experience Sound Color, Sound Attack
    Examples of common ​descriptive terms: Boomy / Sharp​, Dark / Light​, Warm / Cold

    Enjoy and share our TIMBRE PLAYLIST*
    with the Best Tracks to Test your Speakers and Headphones on TIDAL and SPOTIFY:

    *Test your Headphones and Speakers with the Best Tracks, selected by Crystal Audio engineers, and based on ITU-R BS.1284-2 (01/2019) International Standard.

    Connectivity

    • Bluetooth Version
      5.3
    • Low Latency (ms)
      50

    Audio Technology

    • Active Noise Cancelling
    • ANC dB Reduction
      25
    • Call/Enviromental Noise Cancelling

    Playback Time (up to (x) hours, at 50% volume)

    • Listening with Charging Case (h)
      33
    • Listening (h)
      8
    • Listening ANC with Charging Case (h)
      27
    • Listening with ANC (h)
      7
    • Talk Time with Charging Case (h)
      33
    • Talk Time (h)
      8

    Battery

    • Piece Charging Time (h)
      1.5
    • Case Charging Time (h)
      1.5
    • Piece Battery (mAh)
      40
    • Case Battery (mAh)
      350
    • Charger Type
      USB Type-C

    Dimensions & Weights

    • Case Height (mm)
      33
    • Case Width (mm)
      65
    • Case Depth (mm)
      52
    • Piece Weight (g)
      4.5
    • Case Weight (g)
      42

    Technical Specifications

    • Fit
      In Ear
    • Range (m)
      10
    • Frequency Response (Ηz-KHz)
      20Hz-20KHz
    • What's in the box
      (1) Product (2) User Manual (3) USB Type-C Cable
     Enjoy your music as the artists intended