lexus RX350 Mark Levinson audio system upgrad ,some speaker use back ,passive crossover tuning up over 50% sq quliaty ......

new setup start all a pillar work plus ribbon tweeter ,new sound stage design ...

myvi 5 way car audio setup ,Height Depth Width live sound stage setting program ,no eq no proccesor & only passive crossover ......

lexus gs300 Mark Levinson car audio /passive crossover tuning ,usb player & power amp system upgrade .....

Mercedes-Bezn simple car audio system upgrade

hummer h2 audio system upgrand ............

4 way front speaker system ,focus front sound stage /live stage sound in the car ........... Hyundai Veloster

DLS ca 41 power amp in front seat .

custom work ...

under carpet + sound proofing , cover your tyre sound ,road sound & rain noise sound ,low cost ...

in front power fuse box & 4awg power cable 

customize subwoofer box & side pillar custom ,. focus front sound stage audio in the car ,like live home theater system , ribbon tweeter up to 35k hz fqc ,dls ultimate pro 2.5 hi mid .vifa component speaker system , active plus passive crossover professional sound setting ......

world smaller ribbon tweeter 

tube led light custom