Lyngdorf TDAI-3400 Integrated Amplifier and Audio Processor

TDAI-3400 is the most powerful product from Lyngdorf Audio yet marketed
Lyngdorf TDAI-3400 Integrated Amplifier and Audio Processor
Lyngdorf TDAI-3400 Integrated Amplifier and Audio Processor

With extreme audio processing options combined with the most powerful and advanced digital amplifier technology,
the TDAI-3400 is the most powerful product from Lyngdorf Audio yet marketed.


Through the web interface you can perform all setup and operations from the menu system, which allows you to tailor your setup and sound, and the digital crossover allows 3 individual output settings. You can create your own equalizing filter to optimize your speaker performance, and through TDAI-3400’s built-in tool you can to customize 32 voicings, which allows you to change the overall tonality of your system related to media source and listening situation.         
The impressive speaker output section is based on our heritage Equibit™ technology designed with extremely fast switching low-Rds MOSFETs for the highest possible efficiency. It combines full dynamic performance at low levels with an extreme maximum current output of 40A.
With our proprietary RoomPerfectTM room-correction software to eliminate the negative influence of the listening room, the TDAI-3400 delivers a perfect sound without the need for extensive room treatment.

A salute to modern industrial design, the chassis of the TDAI-3400 is executed in the signature sleek design of Lyngdorf Audio. The TDAI-3400 doesn’t generate much heat, allowing for passive cooling with no need for noise-inducing fans or vents. With the TDAI-3400, you will enjoy the extremely low background noise of the digital signal processing.

A variety of inputs and outputs provide plenty of options to connect your audio and video sources as well as your speaker setup.

• Seven digital inputs including a balanced AES/EBU
• USB inputs connects to music stored external
• Two analog inputs for simple analog music sources
• Optional module with four high-end analog inputs
• Optional module with three HDMI inputs and one HDMI output

HDMI® module                                                                 High-End Analog Input                   

The TDAI-3400 accepts all media interfaces and features
a built-in media player with the highest playback quality.
Through your local network or via the USB connectors, you
can access your entire library of music through the DLNA/
UPnP enabled player. This media player also connects to
streaming services like Roon Ready, Spotify Connect, and
Airplay as well as internet radio.


Roon is the most engaging, enjoyable way to browse your music. Being Roon Ready means that Lyngdorf Audio TDAI-3400 transparently discover and connect to Roon, with no network configuration, with bitperfect delivery of audio to your dac.
Together, Roon and Lyngdorf Audio deliver the power flexibility and performance benefits of networked audio, with the easiest setup and highest reliability available.


The Lyngdorf Remote Application automatically discovers the TDAI-3400 connected to your local network, and you will be able to adjust all the basic functions like input selection and volume level from your handheld device.

The built-in media player can be controlled directly, and you can access music files stored on pen drives connected to the Lyngdorf TDAI-3400 as well as search all files stored on your local hard drives. Swiping left and right gives you access to cover art as well as informing you of the signal resolution.

The Lyngdorf Remote Application is available for free download from both IOS and Android.

• Extreme maximum current output of 40A
• No need for noise-inducing fans or vents
• Built-in media player and voicing tool
• Equipped with RoomPerfectTM


2-channel integrated amplifier and audio processor
Power handling:
2×400 W RMS @ 4Ohm / 2x200W RMS @ 8Ohm

Standard digital inputs (asynchronous):
1 x AES-EBU (≤192kHz/24bit), 2 x Coaxial (≤192kHz/24bit), 3 x Optical (≤96 kHz/24bit), 1 x USB B (≤384kHz/32bit, ≤DSD128, DXD)

Standard analog inputs:
2 x Analog Single Ended RCA (Max level: 4.0V = 0dBFS), 1 x Microphone input for RoomPerfect™ calibration

HDMI module (optional in-/output):
1 x HDMI Output / 3 x HDMI Inputs (PCM ≤192kHz/24bit), ARC (PCM ≤192 kHz/24bit), CEC integration, HDMI 2.0a support, HDCP 2.2, Resolutions requiring 600 MHz clock supported

High-end analog input module:
3 x single ended RCA, 1 x balanced XLR

Standard outputs:
1 x Stereo Analog RCA, 1 x Stereo Analog XLR, 1 x Stereo Digital Coax, 1 x Headphone 3,5mm

Audio specifications:
Frequency Response: ±0,5dB from 20 to 20,000 Hz, Total Harmonic Distortion: 0.05% max from 20 to 20,000 Hz, THD-N 1w/8ohm 0,04% / THD-N 1w/4ohm 0,04%

Roon Ready, Spotify Connect, DLNA Support (uPnP) Airplay, Local file playback (USB), Internet Radio (vTuner)

Wireless connections:
Bluetooth (4.2 BLE), Wi-Fi (802.11 n/ac)
Trigger (12V):
1 x Input, which can be related to audio inputs, 1 x Output
3.5mm jack / Thresholds approx.: On: 2.4V Off: 1.6V

Control interfaces:
Web-interface, IP Control, 1 x DB9 connector for RS232 control, 1 x RJ45 Ethernet LAN connector, 2 x USB connectors (Type A) , SD card slot (Backup of filters and settings)

Accessories included:
RoomPerfect™ Microphone, Microphone stand, cable & mini-jack connector, Remote control (IR / BLE)

Placement options:
Optional rack mount or freestanding

Dimensions (Wx H x D):
45 x 10.5 x 36 cm (including connectors) / 17.7 x 4.1 x 14.1 inches
8.2 kg / 18.1 lb
Matte black

Lyngdorf TDAI-3400 Integrated Amplifier and Audio Processor
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Brand: Lyngdorf