G-WIZ Audio Visual

G-WIZ Audio Visual

Introducing Cel-Fi, New Zealand's only approved and legal cell phone booster
Looking for a tested, trusted and legal cell phone signal booster that does the job it promises? If you’re one of the many people searching for a booster to enhance poor mobile reception, look no further. G-WIZ is an authorised stockist and installer of Cel-Fi – the only cellphone repeater approved by Spark, Vodafone and 2degrees.

TV viewing solutions.
G-WIZ is proud to offer professional expertise and second-to-none audio visual knowledge – a backed by a ‘do-it-once, do-it-right’ philosophy to ensure your satisfaction.
We operate with integrity in all of our services; taking the time to understand your needs, and discussing the best solutions with you so you understand what you’ll be getting before we pick up the toolbox.
Our friendly, down-to-earth approach is free from techno lingo, and our focus on deadlines, value and efficiency ensures the best possible customer experience.
G-WIZ owner/ director Brian offers 10+ years’ experience in the audiovisual field, and is trusted by New Zealand’s digital TV giants.
Whether you’re retrofitting or building new in Canterbury, G-WIZ can tailor a complete audio visual solution to meet your needs.

Memberships and Accreditations

SiteSafe certified.


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-Supply & installation of Freeview Antenna.
-Up to 25 metres of cable installed to 1 TV.
-Setup & tuning TV.
Most suburbs of the Christchurch metropolitan area only.

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