POWERBOX65.4MVAUX4: Optisound Vauxhall/Opel Plug and Play Amplifier Upgrade

  • Vehicle specific fitment
  • Powerbox 65.4M amplifier and Vehicle Harness
  • Vauxhall Plug and Play amplifier Kit


Need help fitting?

This product requires specific tools to fit, we recommend having this product installed by a professional

Find a dealer

Plug and Play Vauxhall/Opel Amplifier Upgrade

Direct Plug and Play amplified sound for your Vauxhall, this provides everything that you need to easily install an amplifier and keep your factory stereo, No Void of Warranty, No loss of function just added volume and enhanced sound quality



  • 4 x 65w @ 4 ohm
  • 520w Peak
  • 1.5″” x 7.4″” x 3.2″” (37mm x 187mm x 82mm)
  • Molex to ISO connection included to connect to OEM unit
  • Frequency response: 20Hz – 20kHz
  • Crossover type: HP/Full
  • Crossover range: 50Hz Class D micro amplifier
  • Vauxhall Insignia A 2013-2017 OEM Specific
  • Vauxhall Insignia B 2017- on OEM Specific
  • Vauxhall Viva 2015-2019 OEM Specific



Installing our products is easy. See for yourself in the video below

Click download below to view PDF versions of the manuals for this product

POWERBOX65.4MVAUX3: Optisound Vauxhall/Opel Plug and Play Amplifier Upgrade Manual Download

Need more help?

Can’t find the answer you’re looking for in our product manuals? Get in touch today and one of our experts will be happy to help.
Get in touch

Additional information

Weight1.07 kg
Dimensions44 × 9.6 × 4.9 cm

Find the perfect audio set up for your vehicle in 3 easy steps

Find my Car