Polk Audio Signature Series S50 Floorstanding Speaker (Black) Portable Energy Storage The backpack kit includes:

The backpack kit includes:

It’s a hands-on opportunity to learn the basics of structural engineering

Power Supply: 6-cell 5th battery (not included in the kit)

Access an incredible art library that you will be able to display on your Meural Canvas

Polk Audio Signature Series S50 Floorstanding Speaker (Black) Portable Energy Storage The backpack kit includes:PRODUCT DESCRIPTION WHAT'S IN THE BOX SPECS Polk Audio Signature Series S50 Floorstanding Speaker Enjoy an enhanced 33 Hz to 40 kHz frequency response with this washed black walnut Polk Audio Signature Series S50 Floorstanding Speaker. It can handle 20 to 150W of continuous power and is equipped with two 5. 25" woofers and a 1" tweeter. The down firing Power Port is a bass port designed to enhance the speaker's low frequency effects. The speaker is bi