Lyngdorf Audio SDA-2400
The SDA-2400 pairs an inky-black background with taut, authoritative bass, letting delicate decays, natural voices and explosive dynamics emerge with ease. Jim Milton found this compact Class D design exceptionally quiet, spacious and musical, with 200W per channel, flexible analogue/digital inputs and cool-running, rack-friendly construction.
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Deliciously Crispy
Sound Quality
92/100
Build Quality
92/100
Value for Money
85/100
Pros
Exceptionally low noise floor preserves fine detail, natural decays and silent backgrounds.
Delivers powerful dynamics, deep taut bass, strong stereo separation and a wide, deep soundstage.
Slim, solid chassis runs cool even during extended high-volume use and offers balanced, single-ended and digital inputs.
Cons
Signal-sensing wake-up can respond slowly to very soft music and may clip the beginning of a track.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 92/100
The SDA-2400 is described as exceptionally quiet, detailed and musical, with the reviewer finding its overall sound comparable to high-quality 200-watt monoblocks. It combines a dark background and natural tonal presentation with authoritative bass, strong transient impact and a spacious, well-defined presentation.
Transparency Resolution
93/100
The reviewer repeatedly praised the exceptionally low noise floor, reporting complete silence at the tweeters with playback paused and an "inky dark background" during music. Detail was fully present, while string decays remained clean rather than harsh or granular.
Tonal Balance Musicality
92/100
Music was described as natural, musical and broadly appealing, with voices sounding natural and well balanced against chamber orchestra. The amplifier avoided upper-frequency grain while retaining sparkle, and bass was reported as full, resonant and well controlled.
Dynamics
94/100
The SDA-2400 was specifically designed and heard as a highly dynamic amplifier, with the reviewer judging its dynamic power comparable to his monoblocks. Percussion had convincing impact, bass lines were deep and taut, and the amplifier was said to have plenty of power in reserve.
Soundstage Imaging
91/100
Imaging was judged very good, with strong depth and a notably large, solid soundstage. The review also cites excellent stereo separation and a wide, deep presentation, while precisely placing percussion within the mix.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
92/100
The reviewer found the slim chassis very solidly constructed, with a simple and elegant execution. It remained cool to the touch even after extended high-volume listening, while balanced and single-ended analogue inputs, digital inputs, trigger connections and included rack-mount provision make it unusually versatile for a power amplifier. The signal-sensing wake-up function could be more sensitive, however, and could clip the start of softly played music.
Value for Money
85/100
The review lists a $2,400 MSRP, while the supplied current price range is $2,749 to $3,399. Although the reviewer strongly admired its sound, efficiency and compact cool-running design, they do not directly assess how it compares with competing amplifiers at its asking price.
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Specifications
- Power Rating
- 2 x 400 W @ 4Ohm, 2 x 200 W @ 8Ohm
- Idle power consumption
- 25 W
- Standby power consumption
- 0.35 W
- Damping factor
- 266 (8 Ω, @100 Hz)
- Inputs
- 1 x Analog Single Ended RCA, 1 x Analog Balanced XLR, 1 x Coaxial Digital (≤200kHz / 24 bit), 1 x Optical Digital (≤96kHz / 24 bit), * All inputs has signal detection
- Power Modes
- Input detection, Always on
- Trigger (12V)
- 1 x Input, 1 x Output for daisy chain
- Heat dissipation value
- 210
- Dimensions (WxHxD)
- 45 x 7.3 x 36 cm*, 17.7 x 2.9 x 14.2 in*, *including 1.3cm / 0.5in feet (rack mounting kit included)
- Finish
- Anodized aluminum, matte black
- Weight
- 6.5 kg / 14.3 lb
Manufacturer's Description — Lyngdorf Audio
The versatile SDA-2400 stereo power amplifier features both analog and digital inputs, as well as a range of novel features to deliver outstanding performance in a wide range of applications.
Perfect for any setup
It includes both optical and coaxial digital inputs in addition to the traditional balanced and single-ended analog inputs in order to fit any possible setup. This power amplifier can function in a traditional stereo or multichannel setup—but also as a powerful addition to single standing media players and streaming devices with integrated volume control. Using the digital connections, there will be no interference or noise from external sources. The digital inputs are based upon the Wolfson WM8804 PLL Transceiver for excellent dynamic performance and improved tolerance to clock jitter.
Smart power
The SDA-2400 will automatically go into stand-by mode when not in use. When the amplifier detects a signal, it will turn on automatically. You can set it to always be on—and if your connected device has a 12V trigger output, this can control the power state of the SDA-2400, and even daisy-chain several SDA-2400 amplifiers.
Lyngdorf is the pioneer in digital amplifiers, and the SDA-2400 power amplifier is not your typical Class D power amplifier. It’s better. It has very low and linear distortion and an impressive signal-to-noise ratio, making it the perfect choice for those seeking the purest sounding high-power amplifier on the market.
The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. Together with a fixed switching speed of 390 kHz and minimal feedback control, this ensures low and linear distortion compared to typical Class D amplifiers.
Verified Dealers
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Authorized dealers for Lyngdorf Audio SDA-2400
- 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)
- Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
- Anquan — online and in-store — Glika Nera, Greece (website)
- Area Hifi — online and in-store — L'Eixample, Comunidad Valenciana, Spain (website)
- 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)
and 94 more verified dealers