The collection

Final electrostatic loudspeakers

Final 3900

The widest
Final panel.

A full-range electrostatic loudspeaker,
72 cm wide and 204.15 cm tall.

Discover the Final 3900 Designed & made in the Netherlands

01 / Overview

Designed for
large rooms.

The Final 3900 is the widest model in the collection: a full-range electrostatic panel 72 cm across, framed by broad aluminum wings. It is designed for large rooms, reproducing the scale of a performance across the full range.

A pair of Final 3900 loudspeakers in a living room in limestone and oak, close to the wall and turned slightly toward the listening position (interior visualization)
The Final 3900
at home.
Interior visualizationRooms

02 / Design and dimensions

Original product photography

72 cm across.
204.15 cm tall.

Broad aluminum wings frame the fine electrostatic panel. At 72 cm across and 204.15 cm tall, the Final 3900 has a presence of its own. See the original product photographs to explore the contours and construction.

Height
204.15 cm
Width
72 cm
Depth
40 cm

Floorstanding dimensions, including the base.

A close study of Final’s graphite frame and finely perforated electrostatic stator

03 / Final Wavefield™

How the
panel works.

An ultra-thin film moves between two perforated stators, driven across its whole surface by an electric field. The same principle runs through every Final.

How it works
A closer look / The perforated stator

04 / Your system

Building your
system.

Made to be Configured. The Final 3900 is a passive full-range electrostatic loudspeaker: connect an external amplifier, and add one or two external bass units as the Final 3930 or Final 3940. Your dealer will help you find the right pairing and a natural place for the panels in your room.

  1. Final 3900

    Full-range electrostatic panels.

    One panel for the whole range. Connect your own amplifier.

    Amplification
    Your own amplifier
    Low frequencies
    Full-range panel
    Dimensions
    204.15 × 72 × 40 cm
  2. Final 3930

    With external bass.

    The panels with an external bass for the lowest notes. Connect your own amplifier.

    Amplification
    Your own amplifier
    Low frequencies
    External bass
    Dimensions
    204.15 × 72 × 40 cm
  3. Final 3940

    With two external bass units.

    The panels with two external bass units for the lowest notes. Connect your own amplifier.

    Amplification
    Your own amplifier
    Low frequencies
    Two external bass units
    Dimensions
    204.15 × 72 × 40 cm

From listening to living with it

Your Final dealer delivers, installs and tunes it at home.

  1. 01

    Listen

    Hear Final with music you know well, at a partner near you.

  2. 02

    Choose

    Choose the model and version that suit your room and your music.

  3. 03

    Delivered

    Your Final dealer brings the loudspeakers to your home.

  4. 04

    Installed and tuned

    Placed and tuned at home by your dealer, for your room and your chair.

Questions

Questions about
the Final 3900.

Find your Final All questions
What kind of system does the Final 3900 need?

The Final 3900 is a passive full-range electrostatic loudspeaker. Connect it to an external amplifier and the music source you prefer. A dealer can help you match the components and the room.

Can I use my existing amplifier?

Final’s published recommendation for the Final 3900 is 50 to 150 watts per channel. Share your amplifier model with your dealer so they can check the match and set up a demonstration.

How should I position the speakers?

Start with both panels facing your listening position, with some space between the panels and the wall. Your dealer can help refine distance and angle for your room.

How do I choose between models?

Start with the space you have, the system you enjoy and the music you know. Compare dimensions, then hear your shortlist with a dealer. A listening session is the best way to make the choice your own.

05 / Specifications

Dimensions and
connections.

The dimensions and connections to help you plan your system.

Download dimension drawing

Final 3900 Full-range electrostatic

Transducer
Electrostatic
Height × width × depth
204.15 × 72 × 40 cmFloorstanding, including base
Placement
Floorstanding
Sensitivity
88 dB / 2.83 V at 1 m
Impedance
6 Ω3 Ω at 20 kHz
Recommended amplifier
50 to 150 W per channel
Speaker connections
Gold-plated terminalsBanana plugs or spades
Finishes
Black Matte or AluminumAluminum finish pictured

Looking for help with a particular room or amplifier?
Find your Final

Final 3900 loudspeakers in a warm, lived-in listening room at dusk

The next step is a private listening.

Hear the Final 3900
for yourself.

Bring a track you know by heart.
Hear what the Final 3900 brings to it.

Arrange a listen
Keep exploringMeet the Final 1300