GMR Works

Worlds 1st 160db+ boot system in Propper Droppers. Audi A4 Avant. 160.26db @ 25hz. 158.4db average.

2 x 18 subwoofers clamping 18000 Watts in Audi A4 B7 Avant S line

158db plus playing music on 2 x 18 Subwoofers. Measured on rear headrest and peaks at 31hz.

Hairtricks.. Propper Droppers BB6 and BBX world record car

160 db car on low power

2 February 2025

Over 1 minute at 33hz clamping 3kw to each sub. Coil temp rise from 70c to 200c

Fi Car Audio Subwoofers flex

Fi Car Audio 4.11 18’s x 2

18’s doing the work

160db+ on top of the subs. 2 x Fi NEO 4.11 18’s on 2 x Powerus 15k’s

Fi Car Audio Subwoofers, Powerus Amplifiers / Audi A4 B7 Avant S Line

2 x Fi Car Audio NEO 4.11 18’ subwoofers on 30kw power

Fi Car Audio NEO 4.11 Subwoofers

Two 15’ subs on 30kw

25hz - 30hz Ratykat rebass

BB6 World Record Propper Droppers 2023. Fi Car Audio Subwoofers in Audi A4 B7 Avant.

BBX World Record Propper Droppers 2023. Fi Car Audio Subwoofers in Audi A4 B7 Avant.

Two Fi Car Audio 4.11 NEO 15’ subwoofers on 8000w. 156db at 25hz.

SQL Fi Car Audio 157db+ Audi A4 B7 Avant S Line

Propper Droppers BBX World Record. 157db+ peak @25hz, 154db+ average. Fi NEO 4.11 15's x 2 on 30KW