Cart
0

FDMDuo

Bluetooth · Stereo · Center channel

One design. Three ways to play.

Our dual-woofer design brings more low-end output to the FDM4 family. Build a portable Bluetooth speaker, a passive center channel, or a full stereo pair.

Order Your FDMDuo Kit Today!
Shipping in early June 2026
Meet the FDMDuos
‍
Built on the foundation of the FDM4, the FDMDuos deliver stronger low-end performance with enhanced output below 100 Hz

Available in Bluetooth, Stereo, and Center Channel

Community FDMDuo Builds

No items found.

FDMDuo Stereo in Banana Yellow & White

Built by:
Ethan
Faltinowski
Social media:
American Flag
Our kits and crossovers are designed, tested, and assembled in the USA.
PCBs built by MTG Designs

Crossover Design

Heavy gauge air core inductors, precision audio grade resistors, high purity metallized polypropylene capacitors, precisely machined and soldered PCB

Smooth 12dB, 2nd order filters placed at 4 kHz

Tuned to reduce listening fatigue, emphasize low end extension, and express top end detail

Twice the woofers

Treated paper cone

Efficient and small design

Excellent power handling for deep, rich bass

"Itty Bitty" Dome Tweeter

FDM4 Tweeter
Compact neodymium motor design with ferrofluid damping
‍
When in concert with our wave guide, this tweeter sings on axis and way off axis

Cabinet Design

17" (43 cm) port is merged with the cabinet side walls, adding structural stiffness and extending bass
‍
With curves like these, this speaker is sure to be a conversation starter at any event
Customize yours below