50mm driver pulls even without amp, just turn on Windows Sonic for a wide soundstage. Deciding to forge ahead regardless, about 45 min into the assembly I realize the bolts for the part I was working on did not function. PASSIVE SOUND MODE: As Ive said before, the Active Noise Cancellation on these is INCREDIBLY good. Están muy bonitas. For the price its a very reliable replacement cable, and should suit your needs just fine. The bolts provided are for concrete, so if your hanging on an interior or garage wall with studs and Sheetrock, be prepared to buy your own screws or hollow wall anchors. The rhinestones look more blue than clear so it didn’t look great It is also important to realize that the main purpose of these mud guards is to protect the bike frame, the suspension components, and linkage. These are closer to something you’d grab at a dollar store. I read other review than people received defective product and kept ordering replacement.