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BT Series 12” 4 ohm Passive Bass Tubes (Open Box Item)



  • This product is NEW and carries full factory warranty; however, the packaging may be slightly damaged or it may be repackaged as a result of the original packaging being damaged. All NOB products are inspected to insure there is no product damage or missing contents before they are listed for sale.
  • Bass Tubes enclosure design for maximum efficiency
  • Optimized for corner loading for maximum bass output
  • High power handling woofer
  • Recommended Power: Any amp 150-watts or more
  • Space efficient design
  • Includes straps for secure mounting


Our 12” 4 ohm Passive Bass Tubes are high power handling woofers that are highly efficient that’s to the Bass Tubes enclosure. They are optimized for corner loading, so you can fully enjoy all that bass! Recommended power is any amplifier is 150-watts or more. For secure mounting and easy removal, we’ve included mounting straps, too.


  • Frequency Response 30HZ-1000HZ
  • Crossover No
  • Protection No
  • Power Handling 300 watts (Max)
  • Impedance 4 Ohms
  • Sensitivity 106 dB
  • Recommended Power 50-250 watts/channel
  • Voice Coil Size 2" high power/high temp.
  • Magnet Weight 36 oz.
  • Height 15"
  • Width 12.750"
  • Length 21.5"



We are using BILT to provide you with an easy assembly process! Interactive easy to follow instructions for how to assembly your new Yak Power product can be found in BILT. Head to the app store now to download the FREE app now.