Now you can add powerful bass to your hyper-realistic Signature Elite series speaker system with the Signature Elite ES8 8" 100W Subwoofer from Polk Audio. Your music, movies, and games will greatly benefit from the rumble of the ES8's 100W of output from the DSP-optimized Class-D amplifier. Housed inside the narrow Signature Elite series enclosure is an 8" woofer and Power Port for extended bass with minimized distortion. To help ensure that your hitting the sweet spot of your room's acoustic layout with seamlessly blended frequencies, the ES8 comes equipped with Time-Smart Phase Control.

8" High-Excursion Mineral-Filled Woofer    Front-Firing Power Port    100W of Power Output    DSP-Optimized Class-D Amplifier    Time-Smart Phase Control    4th Order High-Pass Filter    LFE & Stereo RCA Inputs    Power Saving Mode    Narrow Cabinet with a Small Footprint    Detachable Grille

• Narrow cabinet design and small footprint for easy placement
• Acoustically optimized construction with internal bracing
• 4th order high-pass filter for seamless bass integration
• LFE and stereo RCA inputs
• Power saving mode
• Detachable grille

Related Questions and Answers

Q: 1. The specs aren't clear about how tall this is - is it 2.5" high or 3.8"?

A: According to the Sony Website: Dimensions (Width x Height x Depth). Installing the unit in front of a TV: 23-5/8" × 2-1/2" × 3-3/4" Mounting the unit on a wall with spacers: 23-5/8" × 2-1/2" × 4" Hope this helps.

Q: 2. Would it be OK to just leave this sub on all the time (in other words, with the power save mode OFF) to avoid the auto power-save clicking that many reviewers have complained about?

A: The Sony SA-CS9 10" 115W Subwoofer can be left on. You do not need to use the power save mode.

Q: 3. Can this unit be used with a marantz sr5012?

A: Yes. This SONY subwoofer may be used withe Marantz sr5012 AV receiver.

Q: 4. Does the Onkyo TX-RZ50 work with this speaker ?. If not which onkyo or any other AV receiver works with this ?

A: Yes the Onkyo TX-RZ50 is directly compatible with the Sony SA-CS9 subwoofer.

Q: 5. Does this soundbar have 4K or 4KHDR HDMI ARC pass-through?

A: No. No on 4k and no pass-through.

Q: 6. What is the recommended caliber for these speakers?

A: Depending upon the length of your speaker run, I would not consider using any wire gauge smaller than 16 AWG: Pyramid High Quality 16 Gauge Speaker Zip Wire (50' Spool) B&H # PY16HQSZW50

Q: 7. can it be focused?

A: I purchased the stand with the light and by focused if you mean to adjust up and down and and left to right...yes, the stand allows it to go up and down. I also got the barn doors so I could narrow the beam of light. I have limited space and am still playing around with the distance to the still life. As far as the light itself, I don't see any way to focus it and there was nothing in the directions... but someone told me there is something inside where the lens is that can be adjusted. I don't see any adjustments, they may have been talking about something home made , but you'd need to be careful as these get VERY hot! Barn doors can get petty hot too, so I try to adjust before I turn it on. Hope this answers your questions. Dorothy

Q: 8. Can this soundbar be used to listen to music from my phone when connected with bluetooth and with the TV off? If so, how can I adjust the volume?

A: Yes it will. Bluetooth technology lets you stream music directly from your smartphone, tablet, or other compatible device. Control the volume from your phone or the included remote control.

Q: 9. does this come with a remote control?

A: Yes. It sure does. In the Box: Polk Audio Signa S2 2.1-Channel Soundbar System Remote Control AAA Battery 5' HDMI Cable 5' Optical Cable 2 x Spacers Soundbar Power Cord Subwoofer Power Cord Limited 1-Year Warranty on Electronics Limited 2-Year Warranty on Drivers

Q: 10. Would it be OK to just leave this sub on all the time to avoid the auto power-save clicking that many reviewers have complained about?

A: According to Sony; The SA-CS9 115W 10” Active Subwoofer features an auto power on/off function. If there is no signal input for a few minutes, the POWER indicator lights up in red and the subwoofer enters power-saving mode. And while in this mode a signal is input to the subwoofer, the subwoofer automatically turns on. This feature can also be turned off by sliding the POWER SAVE switch on the rear panel of the subwoofer to OFF.