Question:    What size of bolts are used in the WK-4S​ caster kit? ​   Answer: There are 16 pieces.......

Question:    Do the models C222HPD and C222HP have the same specifications?​ Answer: Yes.  The letter 'D' designates the manufacturing.......

Live chat is available Live chat is available on this page during business hours. Open Monday-Friday 8:0 Question:    When is live chat.......

Question: How do I set subwoofer phase? Answer: Depending on the absolute phase of your main speakers and amplifier and.......

​​​​​​​​​Walkthrough on how to use the JBL Distributed System Design (DSD) software application.....

​​​​​​Various series of JBL loudspeakers for installed sounds solutions.  It also explains the details of various series of JBL loudspeakers.......

Question:    My JBL Professional product has developed a fault or I have a question about a product which I.......

Question:    Do you have any Cruise Ship and or Marine Speakers?   Answer: No.  Unfortunately, our all-weather speaker options,.......

Question:    What is the meaning of JBL transducer suffixes? Answer: E = 1 Ohm nominal voice coil impedance F.......

Question:    What does the PL mean at the end of a JBL part number? Answer: The PL at the.......

Question:    Are the 8 Ohm​ and 16 Ohm diaphragm kits compatible and interchangeable in the 2445H or the 2445J.......

Question:    What is the difference between the JBL Driver 053Ti and 053Tis? Answer: The 053Ti is part number 123-10003-00X.......

Question:    Is there Ferrofluid in the 2431H driver? Answer: No, the 2431H Does not have Ferrofluid in the gap.....

Question:    What is the “PROP 65" label and why is on my JBL product ? Answer: Proposition 65 (formally.......

Question:    How can I tell what the coverage patter is of my high frequency driver? Answer: JBL used a.......

Question:    What is the carrying weight of WK-4S? Answer: Carrying Weight per Wheel 60kg/130lb.      ....

Question:    Are there recone kits available for the CMCD speakers?   Answer: We no longer offer complete assembled CMCD.......

Question:    I have a damaged speaker enclosure, which has a scratched finish and deeper scars around the box.  Is.......

Question:    I've got a damaged speaker enclosure, which has a scratchy finish and deeper scars around the box. Is.......

Question:    Why is the "Delay Ext'd Tweeters" function unavailable in the Mix Out settings on the JBL Pro Connect.......

Question:    ​What is the wiring distribution for transformer 9315HT? Answer:      ....

Question:    ​​Do you have EASE files for [JBL speaker model]? Answer: ​We offer a range of loudspeaker data files.......

Question:    What is noise floor? Answer: The noise floor is the level at which background electrical noise can be.......

Question:    How to Check the Health of Your Lithium Battery? Answer: ​Maintaining the health of your speaker's lithium battery.......

Question:    Does HARMAN provide speaker rigging and installation instructions?​ Answer: HARMAN provides limited instructions and technical documentation intended to.......

​The drivers within your loudspeaker system are specifically chosen and matched to the cabinet design.  Furthermore, the crossover network, which.......

Question:    Where can I find the serial number on my product? Answer:   Live Portable​   EON ONE Compact​.......

Question: Is there a maximum cable length for a 70v speaker system? Answer: One of the primary benefits of using.......

WRC/WRX Wiring Color Assignments (AE Series, PD6000, PD700i & VLAi) If by chance the pin out label has been removed.......

​​​COMMERCIAL, AWC & CBT SPEAKERS As you might know, it was not always the case that loudspeaker cabinet colors got.......

​ Audio is as much of an art as it is a science.  In the world of integrated audio sys­tems,.......

Led by HARMAN installed audio expert Peter Moses, this webinar covers converting audio into digital and then transporting the packets,.......

Note: The Parameters marked with an asterisk (*) are the minimum set required for a complete low-frequency system design.  .......

Problem: “I've plugged my music player to the speaker using an aux cable, but it does not sound right,I can't.......