Lyngdorf Audio TDAI-3400
RoomPerfect is the TDAI-3400’s decisive advantage, sculpting a deep, focused soundstage, articulate bass and exceptionally clean vocal detail in real rooms. SoundStage Solo praised its high-volume control, while LowBeats found its presentation balanced, smooth and dynamically alive. Add potent 200W-per-channel drive, flexible streaming and configurable bass management, and this is a remarkably complete digital hub.
WATT RECOMMENDS
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Deliciously Crispy
Sound Quality
93/100
Build Quality
87/100
Features Connectivity
95/100
Value for Money
94/100
Pros
RoomPerfect produces a larger, more focused and more dimensional soundstage while improving bass definition.
Powerful, composed delivery controls demanding speakers convincingly at high volume, with fast, articulate bass.
Exceptional system flexibility: broad streaming support, extensive digital connectivity, configurable voicings and seamless subwoofer integration.
Cons
Headphone output is clean but lacks some drive and bass weight compared with a dedicated-quality alternative.
At extreme levels with difficult electrostatic speakers, ultimate dynamics and bass authority trail a high-powered reference pre/power system.
Its highly neutral, technically correct presentation may feel slightly dry or short on musical personality with some speaker pairings.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 93/100
Reviews portray an exceptionally clean, controlled and room-adaptive amplifier whose RoomPerfect processing can substantially improve tonal evenness, bass definition and spatial presentation. Its character is generally neutral and smooth rather than overtly lush, while its power delivery remains composed with demanding loudspeakers.
Transparency Resolution
94/100
Roger Kanno heard crystal-clear instrument and vocal images without audible distortion or smearing, alongside an ultraclean but smooth treble once RoomPerfect was engaged. LowBeats likewise found the presentation precise, smooth and more revealing of detail, while The Ear reported no obvious digital artifacts.
Tonal Balance Musicality
92/100
LowBeats found RoomPerfect made the sound fuller, more balanced and more musical, with rich, dark tonal colors. The Ear praised its convincing reproduction of vinyl warmth and its even-handed character, though Stjernholm Reviews felt that the very correct presentation could lack a little musical personality and excitement.
Dynamics
92/100
The amplifier is repeatedly described as fast, punchy and unstrained, with substantial usable headroom. SoundStage Solo found its control at high levels close to a far more powerful Anthem reference system, although it stopped short of that system's ultimate command at extreme volume with difficult electrostatic speakers.
Soundstage Imaging
95/100
RoomPerfect earns especially strong praise for opening and focusing the soundstage: SoundStage Solo heard greater width, height and depth, while Tech Reviews described a transformative improvement in perspective and space. The Ear similarly reported an enormous stage with convincing image placement, and its RoomPerfect evaluation found larger, deeper and more sharply focused images across several loudspeakers.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
87/100
LowBeats calls the Scandinavian industrial design impeccably crafted, and SoundStage Solo found the amplifier solidly built and fault-free during its evaluation. Tech Reviews also describes it as solid and trustworthy, though Thomas & Stereo notes its notably light, compact chassis.
Features Connectivity
95/100
The TDAI-3400 combines extensive digital connectivity, network streaming, USB audio, Bluetooth, analog inputs and outputs, room correction, configurable voicings, subwoofer integration and optional HDMI capability. Reviewers highlight RoomPerfect as the central attraction; SoundStage Solo also found the broad feature set user-friendly and completely reliable in use, although its headphone output was only adequate rather than exceptional.
Value for Money
94/100
At roughly $6,495-$7,449, SoundStage Solo judged it significantly less expensive than an $11,499 Anthem pre/power combination offering comparable two-channel performance and feature breadth. Tech Reviews felt its sound, digital architecture and RoomPerfect capability could justify the asking price, while Stjernholm Reviews called it a bargain for its flexibility, software support and power.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Description
- 2-channel integrated amplifier and audio processor
- Power handling
- 2×400 W RMS @ 4Ohm / 2x200W RMS @ 8Ohm
- Standby power consumption
- < 0.5W
- Max output current
- 40A
- 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%
- Digital inputs (asynchronous)
- 2 x coaxial digital (≤192kHz / 24 bit), 1 x AES-EBU digital (≤192kHz / 24 bit) 3 x optical digital (≤ 96kHz / 24 bit), 2 x USB A, 1 x USB B (≤384kHz/32 bit + DXD / DSD64 / DSD128)
- Analog inputs
- 2 x Analog Single Ended RCA (Max level: 4.0V = 0dBFS), 1 x Microphone input for RoomPerfect™ calibration
- High-end analog input module (optional)
- 1 x RIAA Phono MM, 2 x single ended RCA, 1 x balanced XLR
- HDMI 2.1 module (optional)
- 1 x HDMI Output / 2 x HDMI Inputs (PCM ≤192kHz/24bit), eARC/ARC (PCM ≤192 kHz/24bit), CEC integration, HDMI 2.1b support, HDCP 2.3
- Digital outputs
- 1 x coaxial digital (96kHz / 24 bit)
- Analog outputs
- 1 x analog single ended RCA, 1 x analog balanced XLR, 1 x headphone output 3.5mm Jack
- EQ
- RoomPerfect™, Pre-Equalizer, ICC, 32 x adjustable voicings holding ≤8 filters with adjustable gain and Q, Subsonic filter (24 dB/oct at 18 Hz)
- Mediaplayer
- Internet Radio (vTuner), Spotify Connect, Roon Ready, TIDAL Connect incl. MQA decoding, Qobuz Connect, DLNA Support (uPnP/see DLNA formats), AirPlay2, Local file playback (USB)
- Wireless connections
- Bluetooth (for Remote Control and BLE), Wi-Fi (802.11 n/ac)
- 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
- Heat dissipation value
- 270 BTU
- Dimensions (Wx H x D)
- 45 x 10.5 x 36 cm (including connectors) / 17.7 x 4.1 x 14.1 inches
- Weight
- 8.2 kg / 18.1 lb
- Finish
- Matte black
Manufacturer's Description — Lyngdorf Audio
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.
True digital amplification
The TDAI-3400 amplification is 100% digital, without sound-deteriorating digital-to-analog conversion. The digital signal drives the speakers directly. This unique and technically demanding solution eliminates several analog components and signal paths, which are a major source of noise, hiss, crosstalk, and distortion in conventional amplifiers. TDAI amplifiers offer the best sound quality at all volume levels and will deliver the most enjoyable and uncolored sound you have ever experienced.
Connect audio and video sources
A variety of inputs and outputs provide plenty of options to connect your audio and video sources: Seven digital inputs including optical, coax, AES/EBU, USB-B, USB-A, two RCA analog inputs for analog music sources, one optional analog module for more analog inputs including XLR and phono MM, and one optional HDMI 2.1 module with two inputs and one ARC / eARC output.
Built-in media player
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 allows music streaming using Roon Ready, Spotify Connect, Qobuz Connect, and AirPlay 2 as well as internet radio. The TDAI-3400 also supports TIDAL Connect which allows lossless audio quality with the TIDAL app as the controller, and it includes the MQA Core Decoder, which unfolds the MQA file once to deliver better than CD-quality. MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.
Tailor your setup and sound
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. With our proprietary RoomPerfect™ 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.
Control the TDAI-3400 with an app
The My Lyngdorf App gives you full control of your TDAI-3400 from your phone or tablet. Adjust inputs, volume, RoomPerfect settings, and Voicings with an intuitive, icon-based interface. You can even personalize the app layout and explore internet radio with smart search filters.
Available for free on iOS and Android.
Learn more about the app →
Verified Dealers
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- 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- Acton Gate Audio — online and in-store — Cymru, United Kingdom (website)
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- Audio Advice — online and in-store — Raleigh, North Carolina, United States (website)
- Audio Design & Automation — in-store — Salt Lake City, Utah, United States (website)
- Audio Elation — in-store — Lolo, Montana, United States (website)
- AUDIO EXCLUSIVE — in-store — Wels, Oberösterreich, Austria (website)
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