No Sound from Subwoofer

Hi Joshyinoman, your subwoofer, is active, that is, it has its own amplifier, just take the bass audio signal from your Pioneer
Check if it is properly plugged into the power outlet, if the signal cable is properly and correctly connected to the Subwoofer Out of the Pioneer
If all this is well, then you have a problem with the internal amplifier, if so, look for a specialized technical service
I hope you can solve the problem
Regards Franco Dosil

Hola Joshyinoman, tu subwoofer, es activo, es decir tiene amplificador propio, solo toma la se?al de audio de graves de tu Pioneer
Controla si esta bien enchufado al toma corriente, si el cable de se?al, esta bien y correctamente conectado en la salida Subwoofer Out, del Pioneer
si todo esto esta bien, entonces tienes un problema con el amplificador interno, si es asi, busca un servicio tecnico especializado
Espero puedas resolver el problema
Saludos Franco Dosil
https://www.pioneerelectronics.com/ephox/StaticFiles/PUSA/Files/VSX-818V-K.pdf

http://www.pioneer-latin.com/downloads/vsx-918-k%20-%20spanish.pdf

wondering if input levels are too high on some channels causing safety limits to shut it out..check level outputs on eguipment.

These receivers have a history of having broken connections on the subwoofer jack. Would have to go in for repairs.

Make sure your front speakers are set to small in the setup menu. Regardless of how large your speakers are, if they are set to large the receiver will put the low frequency sound out the speaker jacks and turn off the subwoofer output

I had the same problem. Dont know why the receiver set it up this way but grab your remote, go down to the lower right and select ch setup. Keep on pressing it till your receiver says SW. Then press lev+ on your remote to change the db on your powered sub.

Have you looked in the manual?

No sound from subwoofer. • Make sure the subwoofer is switched on.
• If the subwoofer has a volume knob, make sure it’s turned up.
• The Dolby Digital or DTS source you are listening to may not have an LFE channel.
• Switch the subwoofer setting in Speaker Setting on page 40 to YES or PLUS.
• Switch the LFE Attenuator Setup on page 61 to LFEATT 0 or LFEATT 10.

First thing to check is the Speaker Select Switch. It will say, "A" "AB" or "Both" it will be displayed on the LCD screen as well. Second if that's ok, Check the "Direct" switch. If it's on, turn it off. Generally if it's on, you will see a blue light if it's on (most receiver's)

If you still have No audio, hook up your DVD to the "Direct" input and turn "Direct" on. If you have audio then. The DSP chip is probably bad and you should take it to a shop and have them bench it first to confirm. Hope this helps

Make sure that the sound field/programme you have selected is dolby digital not stereo.(On the amp)
You also need to check on the display that is says DIGITAL not ANOLOUGE, as only a digital input, Optical fibre cable, HDMI, COAX will be a digital signal.
If you are using red and white rca connectors, it is not going to work, as this is an Anolouge signal.

On screen setup needs a separate RCA video cable besides the HDMI connection. There are 3 ways to do the subwoofer. One is the rt left B speakers, which mean both A and B speakers need to be on. The other two ways is using one of the single plugs for the subswoofer on the back. The one in the middle did not work for me but the other did. Be sure to setup correctly when you can on the screen, and make sure the configuration includes a Subwoofer as one of your speakers.

That type of subwoofer is not used with this receiver. This receiver actually outputs no power for a subwoofer, therefore only needs a plain ol' rca signal wire. This is due to the fact that you need a powered sub... one that you plug in to the wall and it has its own built in amp. you simply run an rca from yyour 505s to that sub.