Call us on 0114 257 1550


2005 BMW 5 Series Audio Upgrade

As this customer likes music he was disappointed when he purchased this vehicle. The sound quality and volume were certainly lacking. We recommended a BMW front speaker upgrade kit from Rainbow. This was an 8″ midbass, 4″ midrange and 1″ tweeter.  These speakers were powered from an Audion Prima AP8.9BIT 8 channel amplifier. This amp was bridged into a 4 channel to give more power to the under seat woofers and the doors.

To give the customer low bass response we added a Hertz ES300D 12″ subwoofer. This was powered from a Hertz HCP 1D amplifier to give us 700w rms into the subwoofer. The ski hatch was also removed to help the bass transition from boot to cabin area.


The UK's Ultimate Car Audio, Security and Navigation Specialists, having been voted on numerous occasions by the "UK's Best Installers" by the Car Audio, Security & Navigation Industry Find out why...

The best car audio in Sheffield! Paul spent over an hour with me just talking about everything, door speakers, amps, sub woofers & these guys really know their stuff. Chris (who did the work on my car) spent ages making sure I had no rattles at all. I got a top of the range set up within my budget, head unit, amp, sub & door speakers & cannot speak highly enough for these guys, i learned loads & got a system that properly rocks. If you want car audio, go see these guys, even if just for a quick chat, you’ll see what the hype is about. 10/10

— Joe Walker

Just would like to say a big thank you to Lee and all the team there for sorting my music system out in my car today. It was much appreciated that you managed to help me to pick a new cd player and install it and also the help after showing me how it all worked. Great service and help from all in the shop (know you were all rushed off ya feet) and still managed to help me out. Hope to see you all again when i’m ready for a new set of speakers for my ford probe. All the best

— Crow

We traveled from Rotherham to get these guys to fit some reversing sensors to my wife’s car, I’d been before and they were very professional for both alarms and a radio on my van and this time as before they were brilliant. The work was completed ahead of time and one of the guys came out and spent 10 minutes explaining EXACTLY how parking sensors worked which was great as I hadn’t a clue. We are very pleased with both the professionalism of the people and the work in which they do. Perfect!!! Many, many thanks for such a great company.