SMSL SP400 Balanced Headphone Amplifier THX AAA-888 MQA

SMSL SP400 Balanced Headphone Amplifier THX AAA-888 MQA New
SMSL offers with its SP400 an excellent headphone amplifier, based on a solid internal design. It integrates a THX amplifier chip, known for its incredible performance, as well as balanced and unbalanced inputs and outputs.

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Reference : 14913
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499,17 €tax excl.

Including 0,04 € for green tax

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Shipping date: 22-01-2021.

Orders placed before 11AM (GMT+1) will be shipped the same day (working day).

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SMSL SP400

Balanced Headphone Amplifier THX AAA-888 MQA

SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

SMSL offers with its SP400 an excellent headphone amplifier, based on a solid internal design. It integrates a THX amplifier chip, known for its incredible performance, as well as balanced and unbalanced inputs and outputs.


Test By Audio Science Review

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 test by the measurement forum Audio Science Review
SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

THX Amplification chip

The SP400's amplification circuitry includes a high-performance THX AAA-888 chip. It is capable of developing a high power output to accompany the vast majority of headphones on the market, including the most demanding, while maintaining a very low level of harmonic distortion. This chip is, of course, accompanied by high quality and high precision components to enable the SP400 to unveil its full potential and a rich and accurate reproduction.

In addition, the SP400 supports playback of Master Authenticated Quality (MQA) files, which provides playback as close as possible to the original studio recording.

SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

Balanced & Single-Ended

Versatile, the SP400 has both balanced and unbalanced inputs and outputs. The SP400 is equipped with both balanced and unbalanced inputs and outputs, so both unbalanced RCA and balanced XLR inputs are available. On the output side, the SP400 offers an unbalanced 6.35mm jack headphone output, a balanced XLR 4-pin headphone output and a balanced XLR Pre-Out output.

SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA
SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

High precision volume control

The SP400's relay volume control allows for extremely precise adjustment of the sound level, while ensuring low noise. The volume control has 256 levels.

Custom power supply

The power supply circuit of the SP400 is not to be outdone, SMSL integrating 2 custom designed 24W high efficiency and low noise power supplies. These last ones allow to provide to all the audio circuits a clean electrical signal, essential to ensure a high quality sound reproduction.

SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

Design

All of the SP400's components are integrated into a beautiful CNC machined aluminum housing. The design of the SP400 follows the design of the other devices in the range for visually consistent integration.

The front of the device is also adorned with a beautiful OLED screen, displaying all the useful information and allowing intuitive navigation.

Adjustable gain

In order to adapt to all types of helmets, the SP400 offers a 3-level gain control. Thus, it is possible to use either a high-sensitivity helmet or a high impedance model.

SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA

Technical characteristics

Specifications
Product typeBalanced headphone amplifier
Amplification chipTHX AAA-888
Înputs1x Single-ended stereo RCA
1x Balanced stereo XLR
Outputs1x Jack 6.35mm single-ended headphone output
1x XLR 4 poles balanced headphone output
1x XLR Balanced output (Pre-Out)
Power outputBalanced : 2x 12W @ 16Ω, 2x 6W @ 32Ω, 2x 880mW @ 300Ω, 2x 440mw @ 600Ω
Single-ended : 2x 6W @ 16Ω, 2x 3W @ 32Ω, 2x 440mW @ 300Ω, 2x 220mW @ 600Ω
SNR133dB (A-Weighted)
Output noise1.9µV (A-Weighted)
THD+N-123dB, 0.00007% (1kHz, 32Ω)
-117dB, 0.00013% (20Hz - 20kHz, 32Ω, -3dB)
THD< -125dB, 0.00006%
Input impedance47kΩ
Output impedanceApprox. 0Ω
Frequency response0.1Hz - 500kHz (-3dB)
SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA
general
Power supplyAC100-240V, 50-60Hz
Consumption< 40W
Standby consumption< 0.1W
Dimensions225 x 210 x 43mm
Weight1330g
ColorBlack
Package1x SMSL SP400
1x Remote control
1x Power cable
SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA SMSL SP400 Amplificateur Casque Symétrique THX AAA-888 MQA
 
Data sheet
InputXLR
InputRCA
OutputJack 6.35mm
OutputXLR
ColorBlack
Channel2 (Stereo)
ClassClass D / T
 
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Average votes
5.0 / 5
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Trés bon produit
Combiné au M400 cet ampli est un peu moins puissant que le SP200 mais l’équilibre des canaux est parfait, l’écoute est très propre avec des basses puissantes mais pas trop.
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SMSL SP400 Balanced Headphone Amplifier THX AAA-888 MQA
SMSL offers with its SP400 an excellent headphone amplifier, based on a solid internal design. It integrates a THX amplifier chip, known for its...

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