Insurround sound, the subwoofer is assigned to its own channel.

It iswhere the “.1” in “Dolby 5.1” or “7.1” comes from.

It is also referred to as theLFE(Low-Frequency Effects) channel.

RCA Audio Connection Y-Adapter w/Sub Pre Out

Onkyo

Subwoofers provide that knock-your-socks-off low-frequency impact that any solid home theater system needs.

This enables the same low-frequency reproduction profile for your room.

Be aware of any differences in power output, size, and frequency range.

Onkyo TX-NR787 Home Theater Receiver – Subwoofer Preamp Outputs

Onkyo

As you’re able to imagine, that means a lot of cables.

The Wireless Subwoofer Option

One additional subwoofer connection trick is to go wireless.

The considerations and options discussed above are designed to be used with standard powered subwoofers.

Subwoofer with Input and Output Connections

Buying multiple subs and setting them up to get the best result can be an expensive and time-consuming project.

This process may differ for different brands.

Optimal subwoofer placementultimately depends on the dimensions and layout of the room.

Sunfire SDS-WITX and WIRX Wireless Subwoofer Kits

Sunfire