RCA LFE vs Speaker line sub inputs?

[L.J.]

Can someone please break down the diff between the two?

I'm assuming if you go with speaker line inputs, your sub's controls take over. You will have extended bass with your mains, but your AVR will not recognize the sub, correct

[kexodusc]

Pretty much. The speaker lines carry the signal from the receiver...all frequencies. The sub's plate amp will then use its crossover to re-route the bass signals to the subwoofer.

You're better off using the LFE output from the receiver if the option is available to you (with some exceptions, of course).

[L.J.]

Pretty much. The speaker lines carry the signal from the receiver...all frequencies. The sub's plate amp will then use its crossover to re-route the bass signals to the subwoofer.

You're better off using the LFE output from the receiver if the option is available to you (with some exceptions, of course).

Thanks Kex. Actually the sub in question was the 10" Titanic kit at PE. I noticed this morning that the free shipping offer was available. It states high and low level inputs, but no LFE in.

[kexodusc]

LJ....high level is the speaker leads...low level is the RCA inputs (LFE in). Think of it as voltage....high voltage from the speaker leads, low voltage from the RCA (LFE) output of the receiver.
Just different terminology.

Don't worry...it hooks up the same way any sub does.

[L.J.]

LJ....high level is the speaker leads...low level is the RCA inputs (LFE in). Think of it as voltage....high voltage from the speaker leads, low voltage from the RCA (LFE) output of the receiver.
Just different terminology.

Don't worry...it hooks up the same way any sub does.

Kex,I was confused about that, so I called PE this morning and asked their tech support if the 10" kit had RCA inputs and he told me no. Perhaps there was a misunderstanding in our communication.

[kexodusc]

Kex,I was confused about that, so I called PE this morning and asked their tech support if the 10" kit had RCA inputs and he told me no. Perhaps there was a misunderstanding in our communication.
I'd say so.
Look at all the plate amps PE sells...I don't think anyone makes a plate amp without inputs anymore. Many people don't call them RCA inputs. Could explain it.

[Geoffcin]

Kex,I was confused about that, so I called PE this morning and asked their tech support if the 10" kit had RCA inputs and he told me no. Perhaps there was a misunderstanding in our communication.

I haven't seen a self-powered sub without RCA inputs yet.

ALL unpowered subs will not have them, but that's not what your getting, as those are a speciality item.