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Jan-Henrik SennholzJS

Jan-Henrik Sennholz

Audio. Digital. Event. – Studio & Live Support

€500/day
Hannover, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jan-Henrik

I am an audio professional with over 10 years of experience in studio and event technology. I offer high-quality audio post-production for podcasts, events, media productions, and corporate content.

Services (German & English):

Editing, Cutting, Mixing & Mastering
Voice optimization (noise reduction, EQ, leveling)
Sound design & Audio branding
Technical event planning & sound system conception
Audio processing for podcasts, image films, YouTube & social media

I work efficiently, detail-oriented, and coordinate closely with the project team – remotely or on-site.

Ready for long-term collaboration or project-specific support.
  • German

    Native or bilingual

Can work on-site
Hannover (up to 50km)

Experience

  • JS Events & Media
    Business Owner
    January 2020 - Today (6 years and 5 months)
    Hanover, NI, Germany
    As an experienced audio freelancer specializing in studio and live technology, I offer tailor-made solutions for demanding audio projects. Whether it's editing, audio cutting, mixing, or live sound reinforcement – I provide reliable support with a keen ear for detail.

    My work stands for clear communication, technical precision, and creative sound design – whether for agencies, companies, or stage productions.

    My services include, among others:

    Audio processing (editing, mixing, optimization)
    Technical event planning (cross-trade)
    Evaluation & conception of sound systems
    Audio design for events, installations, or media productions
    I work efficiently, solution-oriented, and integrate seamlessly into existing project teams – remotely or on-site.
  • Imti Enterprises GmbH
    Freelancer
    February 2021 - December 2021 (10 months)
    "Imti" is in the business of creating a better life together. We make construction fast, profitable and climate friendly. We are Smart Green Tech. Our planning and delivery: completely digitized and vertically integrated. Our materials: CO2-friendly and mainly renewable. We create affordable sustainable high quality-housing. Wood based, modular, with all architectural freedom.

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Education

  • System V-Series, Y-Series, T-Series, A Series K2 System System & Workflow
    System V-Serie, Y-Serie, T-Serie, A Serie K2 System System & Workflow
  • B.A.
    Hannover University of Applied Sciences and Arts
    2023
    B.A.

Skill set

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