Alto Professional TS218S Powered Subwoofer - Frequently Asked Questions

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TS218S FrontThe TS215S Powered Subwoofer is a full-range speaker system that extends the bass response and dramatically enhances the overall impact of the music being played. For those performance situations where additional low-frequency output and punch are required, the new TS215S Powered Subwoofer is the perfect solution.


Frequently Asked Questions


What is included with the TS218S?

  • IEC Power Cord
  • User Guide
  • Safety & Warranty Manual

What are the dimensions and weight of the TS218S?

  • Dimensions (L x W x H): 20.7” x 26.8” x 24.8”
  • Weight: 70 lbs

Is there a digital version of the TS218S User Guide?

Yes. Please refer to this link for the TS218S User Guide.

What is the frequency response?

The Frequency Response for the TS218S is 35–95 Hz (-10 dB).

How powerful is the TS218S?

The TS218S comes with an 18” Powered Subwoofer with a 3” voice coil. It pumps 1250 watts of peak power and 625 watts of continuous power.

Does the TS218S have Bluetooth?

The TS218S does not have Bluetooth.

What connectors are on the TS218S?


  • (2) XLR+1/4” (6.35 mm) Inputs
  • (2) XLR Outputs
  • (1) IEC Power Cable Input


Further Technical Support

Whether you are a customer or dealer, if you already own a Alto Professional product, or if you have pre-sales or parts questions, the Alto Professional technical support team is available to help!  Each product has a dedicated support page on the website where you can find manuals, specifications, software updates, and troubleshooting guides:

Visit the link below to connect with any of the following support options: online community support, phone support, email support.   



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