• Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
  • Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
  • Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
  • Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
  • Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub
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$109.99

There is always room for bass
The Flatline series was designed for vehicles with limited storage space like regular cab trucks, small cars and convertibles while still delivering huge bass impact. The slim flat sub only requires a minimal amount of mounting depth and airspace so it can work in virtually any enclosure. The Flatline series also features interwoven tinsel leads, a durable rubber surround and a polypropylene cone that ensures a smooth clean bass response.

Leading the way
Why do all Harmony Audio subs feature interwoven tinsel leads? The answer is simple we demand nothing but the best. A tinsel lead is the small wire that connects the voice coil to the input terminal and if you look at most other subs its positioned so when the subwoofer is playing the cone will actually slap into the leads creating a pop noise when playing. The advantage to an interwoven tinsel leads is both increased durability and performance which is what Harmony Audio is all about.
Keeping things cool
The greatest enemy of a car audio subwoofer is heat which needs to be quickly dissipated for a sub perform correctly and is crucial to prolong the life of the subwoofer. Harmony Audio Rhythm and Alloy series subs feature large slotted vents directly under the spider which allows cool air to quickly reach all the sensitive components. The Flatline series features a unique fin shaped heatsink that transfers heat away from the voice coil.
Connecting it all together
Cutting corners is not the Harmony Audio way and while other manufacturers may be cutting out features to save a penny we are focused on producing a superior performing subwoofer. Take the wire terminal for instance probably one of the most important features of the sub which is what handles the power transfer from your amp to the sub. Many other brands now use a cheap spade terminal that takes longer to install and who knows if it will even stay connected once installed. All Harmony Audio subs feature a spring loaded push terminal that will accept direct speaker wire ensuring the ultimate connection and power transfer.

Specifications:

  • 10" Flatline Series Car Subwoofer
  • Power Handling:
    • Peak: 700 watts
    • RMS: 350 watts
  • Sensitivity: 87.1dB
  • Frequency Response: 25Hz-1.5Hz
  • Mounting Depth: 4 1/16"
  • Mounting Cutout Diameter: 9 1/16"
  • Min Sealed Box Volume (Cubic Feet): 0.40
  • Max Sealed Box Volume (Cubic Feet): 2.03
  • Min Vented Box Volume (Cubic Feet): 1.1
  • Max Vented Box Volume (Cubic Feet): 1.81
  • Single 4 Ohm

Features:

  • Polypropylene Injection Molded Cone
  • Aluminum Cone Cap
  • Butyl Rubber Surround
  • Tinsel Leads Woven into Spider
  • 2" Copper Voice Coil
  • Steel Basket
  • Ferrite Magnet
  • Kapton Former Material