Receiver hooked to powered sub using pre out with front speakers connected to the left, center, and right on receiver but only getting output from center and sub with unit on. Any help is appreciated.

Get a RCA cable and connect from your amp where it said Sub Woofer in the Pre Out box in the back of the amplifier top left hand side and take it to the "Sub In" located in the back of your Sub woofer bottom right hand (White round connector).
Good Luck!

HI,

Follow these steps to connect a powered sub woofer to your receiver: You typically have two options when connecting a powered sub woofer. Input (1) on the rear of the sub woofer would be used when connecting the sub woofer to the receiver using speaker wires. You would then connect the main speakers to the opposite end, or output or the sub woofer to the main speakers. Option (2) would be using RCA line level output jacks, input (2) on the rear panel of the sub woofer directly to the single sub woofer output on the back of an AV receiver.

The speaker level input option is designed for receivers that don't have digital output for the sub, used this way when you set to digital the speaker outputs only get the higher range outputs so won't reproduce much bass. To get the sub to work in digital mode you need to use the digital output (single RCA) from the amp to the sub

I guess you didn't get the owner's manual, huh?

http://www.jbl.com/HI-IN/Products/Pages/ProductDetails.aspx?PID=SCS200.5BK/230

Where are the amplifiers in this scenario?

Page 8: The sub needs a subwoofer Line Level pre-out from an AV Receiver or multichannel processor. Though not elaborated on in the manual, the L and R Line Level RCA connections are probably for use if you lack a Sub Out feed. Running L and R from your receiver would allow the sub to derive a Sub Channel.

The rest of the speakers would connect to the AVR's speaker outputs.

Pasge 9: Alternate method if your eelctronics lacks a volume-controlled sub pre-out. This method routes only the front speaker level power to the sub so it can extract something resembling an LFE channel, then it routes speaker wire out to the front speakers, not as an audio power source but simply as a pathway.

You still need amplifier channels for all but the sub.

I own 2 of these Pioneer VSX-D903S units.

The only way to hook a powered subwoofer up to a VSXD903S is if your subwoofer is equipped with amplified/speaker level terminals on the back, in addition to the line-level input. If you only have a line-level input, do not attempt to hook it up to this receiver.

If you're lucky, and have speaker-level inputs on your powered subwoofer, you would use the amplified terminals (connect to B-channel on the receiver). DO NOT connect anything to the line-level connection.

Alternatively, you could build two unpowered subwoofers, then set the receiver's Impedance switch to LOW, then connect one enclosure to each of the "B-channel" outputs. Connect your regular left and right speakers to their corresponding "A-channel" outputs. [Impedance range: 4 Ohm minimum, 16 Ohm Maximum]

(To the guy [dunnbiker] that says there's no rear channels: You're wrong.) The VSX-D903S has 2 stereo (A/B) channels, dual center channel (place center speakers to the left and right, or above and below the screen), and two rear satellite channels. It is a 3-Ch Logic/Dolby Pro-Logic Surround equipped receiver, not a DolbyDigital/DTS multichannel x.1 surround unit.

On the back of the receiver, there could be "pre out-subwoofer". If your subwoofer has the same type cable input, that would indicate it is a powered(amplified) sub. Connect those two. If subwoofer only has red/black speaker inputs, it is a passive sub, which means spkr signal runs thru it and then to your main left and right spkrs.. Run your receiver main or front spkr left (red/black) and right (red/black) to those corresponding sub inputs, and then sub spkr outputs to each of your main left/right spkrs..

For surround, on the back of the receiver, there should be spkr outputs (red/black) noted as "rear".

Just make sure red to red, and black to black.

Hope this is helpful.

Unfortunately can't connect it that way. The pre out is only meant to go directly into an amplifier that has all of the same inputs (front/rear, center and surround), not a standard receiver. (Pre amp to amp only, not pre amp to receiver) If your Onkyo doesn't have all the same inputs as your Kenwood preamp has outputs you will just use your standard left/right outputs from the Kenwood to your Onkyo input (CD, Tape, Phono,DVD etc) then use the outputs (front/rear, center and surround) from your Onkyo receiver and connect directly to your speakers..

front right and left connect to 'a' speakers out. rears to surround output. sub only to the preout

ya does need a power sub out from a mini unit big sterios have sub pre outs sends signal only u could use speaker but u may blow them i would buy a kilshpsh set best buy 5.1 299 bucks to tie in sterio rock ya aaway

The 'Subwoofer' output on your receiver is used to connect to a powered subwoofer with a built in amplifier. Your KLH speakers use what is called a 'passive' subwoofer, it gets its power from the receiver and then passes the higher frequencies to the left and right front speakers after taking out the low frequencies for the subwoofer. A speaker system with a passive subwoofer is good for casual listening, but a powered subwoofer is required for really hearing low frequencies and rumble in movies. The KLH speakers you have were highly rated in their time for their price. The four satellite speakers and center channel speaker have very good sound compared to the little 'midget' surround sound speakers most people buy today.

Here's how you hook them up:

- The left and right front channels from your receiver terminals should go to the terminals on the subwoofer marked 'From Amplifier'
- Your left and right front speakers are then connected to the subwoofer terminals marked 'To Speakers', they do not connect directly to your receiver.
- Your center speaker is connected to your receiver terminals marked 'Center'
- Your rear speakers are connected to your receiver terminals marked 'Surround'

That should get you up and running. If the bass isn't good enough with the passive subwoofer, you can get a decent powered subwoofer like the Velodyne VX-10 for about $150 and 'kick it up a notch'. Good luck and enjoy....