Synergy Audio



Synergy Audio


Regular price $199.99
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Synergy Audio WFO FCS 6.5 2-way 6.5” premium component speaker system.

  • Starting off with an FEA optimized motor attached to a low profile non resonant steel basket.
  • We incorporated a light weight, weather resistant glass fiber hybrid cone attached to a 1” copper voice coil linear spider with a durable treated single roll foam surround to achieve a well dampened and controlled speaker.
  • Spring loaded speaker connectors for quick and secure connections.
  • The 25mm German manufactured silk soft dome diaphragm neodymium tweeter is utilized for the utmost in audiophile sound reproduction. The tweeter is mounted in a heavy duty plastic flush mount housing, angled mounting cups and surface mounting options also included.
  • The 12db per octave crossover was optimized with audiophile grade components like air core inductors and polypropylene capacitors along with selectable +3db and -3db attenuation circuit for fine tuning the tweeter to personal preference.

Customer Reviews

First class people, first class service, first class product!

John Wilhoit

Low Hertz is a lot more than a website. I know I could reach out to them if I needed anything.
No, not just with products. You can always count on quality. But questions about the hobby. Low Hertz is a movement in Car Audio. Where your not judged but helped! So get in the movement with us.
#RepTheMovement #LHCA

Ben Davis

Awesome place. Awesome customer service. Great people and always answer questions and get orders together. Great shipping time. Highly recommended. #1 spot for great service

Nick Brownell

I've been ordering from Low Hertz past few weeks now, I tell you these guys are on point! Fast shipping and the best part is... No Tax! I am a loyal customer and If you don't have the customer service like these guys, then your cut off. I will definitely get more stuff from Team Low Hertz! Thanks again for your hard work!

Johnson Thammavong

Man these guys go above and beyond. the customer service is off the charts.. #LHCA is the way to go.. I love my #LHCA bass knob, and you bet imma rock that #LHCA swag everywhere I go...

David Ebel II

Great service with every order! Always a pleasure shopping at Low Hertz Car Audio!

Kevin McLaughlin

The last 3 box designs I've purchase were all 150+ db certified in the lanes, your results may vary depending on vehicle and power but they definitely know what they're doing. Well worth the money !

Eric Feliciano

They designed my husbands box. Came out great. Never a disappointment when it comes to these guys. Definitely will be coming back for another build!

Katie Belluno
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