Lyngdorf Audio TDAI-3400
Best high-end digital amplifier for audiophiles seeking perfect room acoustics.
The Lyngdorf Audio TDAI-3400 is a powerful and advanced digital amplifier and audio processor, representing the pinnacle of Lyngdorf's digital amplification technology. It features a fully digital amplification stage, eliminating analog conversion for pristine sound quality. With integrated media playback supporting streaming services like Spotify Connect, Roon Ready, and AirPlay 2, it offers versatile connectivity. The TDAI-3400 boasts RoomPerfect™ room correction technology for optimized acoustics and offers modular input options, including an optional HDMI 2.1 module for advanced video and audio passthrough.
$8499.00
Owner Satisfaction
4.5
/ 5
Category Rank
259
/ 704
#259 in Audio & Video Receivers
Price vs Category Average
+222%
Above average
Description
2
/ -channel integrated amplifier and audio processor
Who it's for
- Audiophiles struggling with difficult or untreated room acoustics
- Listeners demanding high-fidelity clarity and effortless speaker control
- Modern users seeking a flexible, future-proof digital command center
Who should skip it
- Budget-conscious buyers prioritizing value over premium performance
- Casual listeners wanting a simple plug-and-play audio solution
- Design enthusiasts preferring bold or traditional visual aesthetics
Performance breakdown
Acoustic Calibration
RoomPerfect technology effectively eliminates negative room influences for a pristine soundstage.
Amplification Purity
Fully digital signal path ensures zero degradation from analog conversion stages.
Streaming Versatility
Native support for Roon, AirPlay 2, and Spotify covers all bases.
Power Delivery
Robust 400-watt output drives demanding speakers with effortless authority and control.
Connectivity Flexibility
Modular design allows for future-proof upgrades like the HDMI 2.1 module.
Setup Accessibility
Web-based interface simplifies complex configurations for a streamlined user experience.
Key Specs
Description
2-channel integrated amplifier and audio processor
Power Handling
2 × 400 W RMS @ 4 Ω / 2 × 200 W RMS @ 8 Ω
Standby Power Consumption
< 0.5 W
Max Output Current
40 A
Frequency Response
±0.5 dB from 20 – 20,000 Hz
Total Harmonic Distortion
0.05% max from 20 – 20,000 Hz
Digital Inputs
2 × Coaxial (≤192 kHz / 24 bit), 1 × AES-EBU (≤192 kHz / 24 bit), 3 × Optical (≤96 kHz / 24 bit), 2 × USB-A, 1 × USB-B (≤384 kHz / 32 bit + DXD / DSD64 / DSD128)
Dimensions (W × H × D)
17.7 × 4.1 × 14.1 in (incl. connectors)
Features
- Fully Digital Amplification for superior sound quality without analog conversion.
- Integrated Media Player with extensive streaming support (Spotify Connect, Roon Ready, AirPlay 2, etc.).
- RoomPerfect™ Room Correction Technology for an optimized listening experience.
- Modular input options, including optional HDMI 2.1 and High-End Analog Input modules.
- Supports high-resolution audio formats including MQA decoding.
- Web interface for easy setup and control.
- Includes RoomPerfect™ microphone and remote control in the box.
What customers say
Customers consistently praise the Lyngdorf Audio TDAI 3400 for its exceptional sound quality, largely attributed to the integrated RoomPerfect calibration system. Users find this technology remarkably effective in optimizing audio performance for any listening space, delivering a clear, immersive, and natural sound experience. The product's sophisticated functionality, while advanced, is often described as surprisingly intuitive, making setup and daily operation straightforward. This combination of superior audio fidelity and user friendly integration stands out as a primary driver of positive sentiment.
Know before you buy
The TDAI-3400 uses a fully digital amplification stage, which means it processes the signal digitally from input to output without converting it to analog. This approach eliminates the noise and distortion typically introduced by digital-to-analog conversion, resulting in a cleaner, more precise sound.
RoomPerfect™ analyzes your room's acoustics using the included microphone to identify and correct sound reflections and standing waves. It effectively removes the negative influence of your room, allowing your speakers to perform at their best regardless of their placement.
Yes, the TDAI-3400 features an integrated media player that supports popular services like Spotify Connect, Roon Ready, and AirPlay 2. You can control your music directly through these apps or the amplifier's web interface.
The HDMI 2.1 module is an optional add-on that can be installed to support advanced video and audio passthrough. You should check your specific unit configuration to see if this module is already installed or if it needs to be purchased separately.
Yes, it supports a wide range of high-resolution formats, including MQA decoding and DSD playback via the USB-B input. It is designed to handle high-fidelity digital sources with complete transparency.
The TDAI-3400 delivers 200 watts per channel into 8 ohms and 400 watts per channel into 4 ohms. With a maximum output current of 40 amps, it has plenty of headroom to drive even demanding, low-impedance speakers with ease.
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$8499