![JBL 3739 Low Frequency Subwoofer Section of a Three-Way Bi-Amplified/Passive ScreenArray Cinema Loudspeaker System - Three-Way JBL 3739 Low Frequency Subwoofer Section of a Three-Way Bi-Amplified/Passive ScreenArray Cinema Loudspeaker System - Three-Way](https://www.akwil.com/img/p/1/0/9/4/2/10942-large_default.jpg)
JBL 3739 Low Frequency Subwoofer Section of a Three-Way Bi-Amplified/Passive ScreenArray Cinema Loudspeaker System - Three-Way
![JBL Professional PRX818XLFW Portable Self-Powered Extended Low-Frequency Subwoofer System with WiFi, 18-Inch : Electronics JBL Professional PRX818XLFW Portable Self-Powered Extended Low-Frequency Subwoofer System with WiFi, 18-Inch : Electronics](https://m.media-amazon.com/images/I/81IURrns5eL._AC_SL1500_.jpg)
JBL Professional PRX818XLFW Portable Self-Powered Extended Low-Frequency Subwoofer System with WiFi, 18-Inch : Electronics
![Amazon.com: JBL Professional AWC15LF All-Weather Compact Low-Frequency Speaker with 15-Inch LF, Grey : Electronics Amazon.com: JBL Professional AWC15LF All-Weather Compact Low-Frequency Speaker with 15-Inch LF, Grey : Electronics](https://m.media-amazon.com/images/I/91ADHoH7cOL._AC_SL1500_.jpg)
Amazon.com: JBL Professional AWC15LF All-Weather Compact Low-Frequency Speaker with 15-Inch LF, Grey : Electronics
![JBL 4739 Subwoofer Low-frequency Section for 4732 of Three-Way Biamplified or Triamplified ScreenArray Loudspeaker System - Thr JBL 4739 Subwoofer Low-frequency Section for 4732 of Three-Way Biamplified or Triamplified ScreenArray Loudspeaker System - Thr](https://www.akwil.com/img/p/1/0/9/5/9/10959-large_default.jpg)
JBL 4739 Subwoofer Low-frequency Section for 4732 of Three-Way Biamplified or Triamplified ScreenArray Loudspeaker System - Thr
![I just got the jbl flip essential and I wanted to turn on low frequency mode and it said 31031 and I dont know why'd it said that, can someone help me I just got the jbl flip essential and I wanted to turn on low frequency mode and it said 31031 and I dont know why'd it said that, can someone help me](https://external-preview.redd.it/ix_rLP_n5_8beGLSxnTIwrBNMbvAMMquv5VEeJYqkT0.png?format=pjpg&auto=webp&s=fe2365714a789c3f1bb4281220686251d15168b4)