3DCONNEXION 3DX-700090 Keyboard Pro with Numpad


$25 per week, a total of $425. Delivery to your door after 17 successful payments!
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KB3 - HiFi Audio Mechanical Keyboard

Gasket mount design | All keys hot-swappable
Gateron Gpro 3.0 yellow switches | Win/Mac OS support | Dual CS43131 DAC
550mW high output power | 3.5mm SE/4.4mm balanced headphone jacks

*Pictures are for reference only. The actual product may vary.

Patented design - A HiFi creation across industries

With the function of music listening, the FIIO HiFi mechanical keyboard KB3 has obtained a patent certificate.

Patent No.: ZL202220085310.8

Time to upgrade your music experience!

Desktop-grade all-in-one DAC and amp, for immersive HiFi music

A customizable keyboard with swappable keys, the perfect slate for experimentation

Aluminum-magnesium alloy faceplate, a "true HiFi" desk keyboard

An unlimited HiFi experience - 2+2 chip combo, ensures lots of high-quality power

KB3 uses two high-performance and efficient CS43131 DACs as well as two low-noise SGM8262 op-amps, capable of providing 550mW of output power, comparable to desktop amps. Enjoy high-quality sound with any headphones.

Dual outputs, to connect various devices

It is equipped with 3.5mm single-ended and 4.4mm balanced headphone jacks, allowing you to connect it to a variety of headphones.

High-res support, hear all of the details

With support for up to 32bit/384kHz and DSD256 you will be able to hear all of the details in your music, letting you better understand the story it tells.

A quality mechanical keyboard

Gasket mount design

Ergonomic, all easily accessible

All editions come with stepless volume knob

Standard Gateron G Pro 3.0 yellow switch

Tidy up your desk

Not only is it a mechanical keyboard with a HiFi DAC, it can also act as a docking station, connecting your mouse and USB drives

Connecting audio equipment
4.4mm balanced jack*1, 3.5mm SE jack*1
*Wireless edition does not have audio jacks and USB ports for audio

Connecting other devices
Type-C charging port*1, USB*2

High-definition voice calls - Smooth communication

The 3.5mm single-ended headphone jack on the KB3 supports TRSS headsets, allowing you to enjoy HiFi music while smoothly communicating with others when playing games.

Abundant accessories

1 - Keyboard*1
2 - USB-A to Type-C cable (about 1.6m)*1
3 - Keycap puller*1
4 - Warranty card*1
5 - Quick start guide*1

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Keyboard switch

Gateron G Pro 3.0 yellow switches


About 329mm x 140mm x 43.5mm


Wired edition about 1060g


USB Type-C


3.5mm single-ended+4.4mm balanced headphone out



Op amp


Audio decoding support

Up to PCM384kHz/32bit, DSD256

Output power

-3.5 single-ended: L+R>=170mW+170mW (32O, THD+N<1%, USB IN)
-4.4 balanced: L+R>=550mW+550mW (32O, THD+N<1%, USB IN)

Signal-to-noise ratio

>=122dB (32O A-weighted)

Noise floor

About 2.5uV (A-weighted)


<0.0005% (0dB, 32O)

USB chip


OS supported



Midnight black

We can only process ONE order per customer at a time.


$25 per week, a total of $425. Delivery to your door after 17 successful payments!

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