Problems choosing a wall outlet to connect my subwoofer

13ms13 · 12-12-2011, 9:20 AM

Hi, I have a problem choosing the right speaker outlet for my subwoofer. I am planning on getting Jamo Sub 300

this is the subwoofer cable that I have:

And these are the wall plates that I can choose:

- I had bought this one but returned it because my technician told me that the cable is shielded and the outlet is not and also that you need 4 connectors to connect a subwoofer... so I should get one of those:

- but you need TWO speaker cables to connect it and I only have one cable running in the wall.

What should I do? How do I connect the subwoofer? Will one of those outlets be fine, or shoud I buy an adapter of some kind etc.? Thanks for the help!

Andy98765 · 12-12-2011, 11:24 AM

What are you plugging the SUB and loudspeakers in to?
A Stereo amp or 5.1 AV amp?

13ms13 · 12-12-2011, 12:33 PM

5.1 AV amp

davehk · 12-12-2011, 2:15 PM

Does your 5.1 amp have a built in amp for the sub-woofer (passive subwoofer) with big speaker terminals on the amp, or does the sub have its own amp (active subwoofer), with normal phono socket sub output on the amp?

The latter is more common, and the cable from the main amp to the sub is a low level, screened signal cable - a single one is all that is needed. To connect that, you do NOT use speaker terminal connections, you need low-level screened connections, typically phono plugs/sockets, at both ends.

The instruciton manual for your amp should explain this in detail.

Andy98765 · 12-12-2011, 4:12 PM

Typical 5.1 AV amp.
5 unscreened speaker cables go from the amp to the individual speakers.
A screened cable (single core or just one of a pair) go from the AV amp out to the sub.
Ignore all other connections on the the sub you mention. All you do is connect to the left OR right input. In your case it states Left/LFE input.

Mr Incredible · 12-12-2011, 4:20 PM

As Davehk suggests, all you need is a screened "low-level" plate like this, and use just the one connection.

2x Phono RCA Connection Wall Plate

13ms13 · 17-12-2011, 12:11 PM

Thanks for the replies. I have Gira outlets in my house, European standard. I guess all there's left to do is ask Gira if they manufacture screened outlet plates... If not, I have a problem

12-12-2011, 9:20 AM	#1
13ms13 Restricted Member Join Date: Jun 2011 Location: Tychy Thanks: Gave 0, Got 0 Posts: 8	Problems choosing a wall outlet to connect my subwoofer Advertisement Want to Advertise? Hi, I have a problem choosing the right speaker outlet for my subwoofer. I am planning on getting Jamo Sub 300 this is the subwoofer cable that I have: And these are the wall plates that I can choose: - I had bought this one but returned it because my technician told me that the cable is shielded and the outlet is not and also that you need 4 connectors to connect a subwoofer... so I should get one of those: - but you need TWO speaker cables to connect it and I only have one cable running in the wall. What should I do? How do I connect the subwoofer? Will one of those outlets be fine, or shoud I buy an adapter of some kind etc.? Thanks for the help!
	Quote

12-12-2011, 11:24 AM	#2
Andy98765 Distinguished Member Join Date: Feb 2006 Thanks: Gave 5, Got 1,477 Posts: 10,280	What are you plugging the SUB and loudspeakers in to? A Stereo amp or 5.1 AV amp?
	Quote

12-12-2011, 12:33 PM	#3
13ms13 Restricted Member Join Date: Jun 2011 Location: Tychy Thanks: Gave 0, Got 0 Posts: 8	5.1 AV amp
	Quote

12-12-2011, 2:15 PM	#4
davehk Member Join Date: Oct 2003 Location: London Thanks: Gave 12, Got 46 Posts: 701	Does your 5.1 amp have a built in amp for the sub-woofer (passive subwoofer) with big speaker terminals on the amp, or does the sub have its own amp (active subwoofer), with normal phono socket sub output on the amp? The latter is more common, and the cable from the main amp to the sub is a low level, screened signal cable - a single one is all that is needed. To connect that, you do NOT use speaker terminal connections, you need low-level screened connections, typically phono plugs/sockets, at both ends. The instruciton manual for your amp should explain this in detail.
	Quote

12-12-2011, 4:12 PM	#5
Andy98765 Distinguished Member Join Date: Feb 2006 Thanks: Gave 5, Got 1,477 Posts: 10,280	Typical 5.1 AV amp. 5 unscreened speaker cables go from the amp to the individual speakers. A screened cable (single core or just one of a pair) go from the AV amp out to the sub. Ignore all other connections on the the sub you mention. All you do is connect to the left OR right input. In your case it states Left/LFE input.
	Quote

12-12-2011, 4:20 PM	#6
Mr Incredible Illustrious Mumbler Join Date: Dec 2003 Location: The Fylde Coast Thanks: Gave 2,693, Got 6,529 Posts: 19,295	As Davehk suggests, all you need is a screened "low-level" plate like this, and use just the one connection. 2x Phono RCA Connection Wall Plate
	Quote

17-12-2011, 12:11 PM	#7
13ms13 Restricted Member Join Date: Jun 2011 Location: Tychy Thanks: Gave 0, Got 0 Posts: 8	Thanks for the replies. I have Gira outlets in my house, European standard. I guess all there's left to do is ask Gira if they manufacture screened outlet plates... If not, I have a problem
	Quote

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Problems choosing a wall outlet to connect my subwoofer