Question about Pioneer HTP-2900 System

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Subwoofer I purchased the HTP-2950 and can not get the subwoofer to work. All other speakers work but he woofer does not. Checked the connections and it seem to be making good contact. Instructions with the system is very poor.

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Re: Subwoofer

I suppose that your system requires an active subwoofer, and that you provide one. Some systems, if SPEAKER SIZE in SETUP are set to LARGE for front or center speakers, do not send signal to sub, system redirect signal to front or center speaker. Try to check this.

Posted on Oct 08, 2007

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I wish to replace a subwoofer on a surround sound system

In most surround sound systems the sub woofer is powered separately and uses a standard RCA coax connection to the receiver/amplifier.

Replacing is simply plugging in the new and reconnecting the coax cable.

Usually the audio signal is Dolby Digital 5.1 the (.1) is the LFE Sub-woofer. The connection is between the Subwoofer RCA connector on the amplifier and connects to the (LFE-Line) in on the subwoofer speaker.

Hope this helps?




Aug 09, 2016 | Home Theater Systems


How to wire multiple speakers to one channel.

This mainly concerns surround sound systems, with a subwoofer. It is possible to wire multiple speakers to one channel, most useful for subwoofers. Even though bass is nondirectional, the user can still sort of place it. I create "surround bass" with one subwoofer channel. Enough intro.

I purchased two old Sansui LM-110 multi-driver(woofer and tweeter with a passive crossover) and placed them around the back wall till i liked the positioning. I then replaced my ht-z320 subwoofer with a Samsung PS-WX50(from the HT-X50 system). The X50 went in front, under the TV. The wiring to he speakers must be exactly as follows, lest the amplifier in the main unit repeatedly shut the unit down to protect(PROT then shutdown) from damage.

This is easier to do if you know how to solder(it also grants better sound), but can be achieved with a twist on wire connector and wire strippers.

The purple plug positive(denoted as a + inside a circle) keeps its wire, going to front woofer(Samsung PS-WX50) RED. Cut some speaker wire to the back woofer last on the route the wire will take to the rear woofers. Split it, then cut one of the two wires on the speaker wire at the other woofer. strip both ends. Do this to two equal lengths of speaker wire. Split and strip the joined ends of the first wire and connec both ends to the black port on the front woofer, the othe ends to the back woofer RED ports. Take the other wire, join the unsplit ends to the negative wire(helps to cut that short) in the purple plug, using your wire nut. Strip and connect the other ends to the black ports on the back woofers. This basically is a series setup. The back woofers are one one parallel circuit, but are powered as one speaker. therefore, the front speaker and both back speakers(acting as one) are a series loop. To simplify, unit + to front red. Front black to both back red. Both back black to unit -.


on Jun 13, 2010 | Home Theater Systems

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I have a sony HTDDW7600, i cannot get the dedicated subwoofer amp to work. The fan is running on it, but for some reason the only way i can get it to do anything is to unplug the cable that goes from the...

You have a very good of the best of SONY..SUB does not get activated automatically especially on STEREO mode.DIRECT STEREO Notes • No sound will be output from the subwoofer.
.your system has Dedicated Power Amplifier for 2 Externally Driven Sub-Woofers (200W RMS x 2) order to activate the sub woofer amplifier you need to make a selection on the surround modes while you are switching the modes of the surround you will see the speaker position on the display of receiver as well..if you do not see the sub woofer it wont be activated..Sound Field Program (A.F.D) is a good example to test it..
Take care and please Remember to rate/vote and give me 4 Thumbs Up
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Hope this helps!

Additionally please follow the instruction on your user manual to activate the SUB ,as is follows..

Low-frequency (bass) signals can be directed to the
subwoofer and/or the front left and right speakers
according to the characteristics of your system. This
setting also determines the routing of the LFE (low-
frequency effect) signals found in Dolby Digital or DTS
Choices: SWFR (subwoofer), FRONT, BOTH
• Select SWFR if you connect a subwoofer. LFE and
low-frequency signals from other channels are directed
to the subwoofer according to the speaker settings.
• Select FRONT if you do not use a subwoofer. LFE and
low-frequency signals from other channels are directed
to the front speakers according to the speaker settings
(even if you have previously set the front speakers to
• Select BOTH if you connect a subwoofer and you want
to output low-frequency signals from front channels to
both the front speakers and subwoofer. LFE and low-
frequency signals from other channels are also directed
to the subwoofer according to the speaker settings. Use
this function to reinforce low-frequency signals using
the subwoofer when playing back sources such as CDs.

Jun 23, 2011 | Sony MUTEKI HTDDW1600 Theater System

1 Answer

Can i put an extra sub woofer on my lg da3525 via the woofer out socket and what plug do i require to do this


How to Connect 2 Subwoofers to One Receiver

Subwoofers produce the deep bass sounds that give home theater the realism of being at the movies. A good subwoofer can rattle the walls during action sequences, while adding depth to recorded music and a heightened sense of feeling in the midst of a televised sporting event. Because most home theater receivers are equipped with a single subwoofer jack, connecting a second subwoofer requires a simple audio adapter available at electronics stores. Self-powered subwoofers have their own built-in amplifiers to drive the bass speakers, so they cannot drain power on the main receiver in a system and thus pose no danger to the equipment, even when an extra subwoofer is connected.

Things You'll Need:

Home theater receiver
Y-adapter with RCA jacks on two ends and an RCA plug on the other, available at electronics stores.
2 RCA subwoofer cables
2 subwoofers


Plug the Y-adapter into the home theater receiver's "Subwoofer OUT" jack.

Connect an RCA subwoofer cable to each jack on the Y adapter and route the cables to the subwoofers in the room. Because subwoofers deliver an omnidirectional sound, the boxes can be placed anywhere they won't get in the way, but within reach of an electrical outlet..

Plug an RCA cable into the "Sub IN" jack on the back of each subwoofer.

Connect the subwoofers to wall outlets and turn on each unit by pressing the power button, typically located on the back panel.

Adjust the volume and crossover settings on each subwoofer as desired. The crossover adjustment knob tells the subwppfer which low-end frequencies to reproduce from the audio signal, such as a movie on DVD. All frequencies higher than the crossover setting will be transferred to the other speakers connected to the receiver.

Tips & Warnings

Use subwoofers that are closely matched in power, as rated in watts, when using two subwoofers in a home theater setup.

Disconnect the subwoofers from the power supply while making the audio connections.

Have a nice day...

Feb 19, 2011 | LG DA-3525 Theater System

1 Answer

JVC Home Theater System M505 The subwoofer will not come on and it appears that the system (speakers) will not work at all until it runs thru the subwoofer system.

Wiggle on the long round cable connected to the Sub woofer. If the SW turns on, open it and solder the connector or change the connector

Jan 18, 2010 | JVC TH-M505 System

1 Answer

Jvc th-m303 sub woofer not working all other speakers are fine

check your internal wires inside subwoofer.b4 that try to connect to other instrument to make sure it not working.

May 12, 2009 | JVC TH-M303 System

1 Answer

Need to replace home theater subwoofer-Tivoli TDHT1 is the system

You please check the ohms with the woofer watts so that the same frequency of the woofer you can fix of different company, otherwise there will be damage of the circuit board so please use the appropriate frequency of woofer speakers.

Mar 28, 2009 | Home Theater Systems

2 Answers

Subwoofer with speaker wire?

Back in the old days, subwoofers were powered by the voltage from your receiver, through speaker wire.
Nowadays, subwoofers have their own power, hence not having speaker wire connections anymore.
It's unlikely that you'll be able to connect your old subwoofer to your new receiver.
You'd need to get a new one, which if you don't mind buying closeout, can be found on eBay pretty cheap.

Mar 16, 2009 | Sony DAV-DX255 System

1 Answer

The subwoofer lites but no sound

Have you gone into the menu settings and adjusted the sub woofer volume, some factory settings are set @ zero.

Sep 09, 2008 | JVC TH-M55 System

2 Answers

Missing lead

typically i would say connect it in parallel to the right or left channel..assuming your system dosent have a sub woofer output and your subwoofer is powered

Mar 05, 2008 | JVC TH-S3 System

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