A Y splitter is definitely not a must for most subs. Any cable designed for subwoofer use should be just fine. First of all, you can hook up a powered subwoofer properly with regular RCA cables. A “Y” splitter cable is not necessarily needed. There are many ways to connect a subwoofer to a receiver. This includes using RCA cables, subwoofer cables, and even wireless. Lenovo ThinkPad USB 3.0 Secure Hard Drive". Ziff Davis. 2012-06-19. The ThinkPad Secure Hard Drive ... comes with a ... Y cable that connects the drive to two USB 2.0 ports for adequate power if your PC doesn't have a USB 3.0 port. Many people like this potential of boosting the sub’s output signal. In general, you will increase the sound level from 3dB to 6dB.

The fact is that any single, standard RCA or subwoofer cable should do just fine for your subwoofer. Using Y splitter cables can reduce the amount of Radio Frequency (RF) and Electromagnetic (EM) interference that is fed to your sub which of course causes that annoying hum. In general, most receivers come equipped with a single sub output while most powered subwoofers come equipped with left & right inputs. A Y adapter cable or splitter cable is a cable that can be used to connect your subwoofer to your receiver.The bottom line is, subwoofer Y splitter cables are not absolutely necessary. You can use them to gain the benefits mentioned above, but they are not required. A Y-cable, Y cable, or splitter cable is a cable with three ends: one common end and two other ends. The Y-cable can resemble the Latin letter " Y". A Y-adapter cable works simply by dividing one audio signal into two similar or identical audio signals, thereby enabling the input of the audio signals into two different output devices. How To Connect Your Receiver and Subwoofer Using A Y Splitter Many people use a Y splitter to connect both subwoofer inputs so they can prevent this problem because the auto-on mode of some older subwoofers (e.g the Velodyne CH-12) may not come on at lower levels without the use of a Y cable. 4. Hum Reduction

Now you may be wondering if you can use a Y cable to combine two signals. This is not recommended because you will not have control over the way the signal is combined. Advantages of Using a Y Splitter Should You Use A Subwoofer Y Cable? Yes, it’s possible to simultaneously use both ends of the USB splitter without any issues, but the transmission speed can decrease compared to when only using one end. How often should I change my USB splitter? In terms of Y splitter cables offering better bass quality, this may or may not work for your subwoofer.The fact is, in most cases, it will make very little if any, discernible difference unless you are using a stereo signal. Subwoofer hum is a common problem in home theater systems. It is so common that sometimes your subwoofer may hum without any input.