Since M400 had been launched in May,2020, S.M.S.L started working on the matching amp. And here it is, the S.M.S.L SP400, losts of people have waited it so long. Pre-sale discount starts now, will end and ship out on Nov,30th. price at $541.79 in pre-order period.

SP400 not only features THX888, but also uses many 0.1% high-precision low temperature drift resistors and components in the design.The PCB uses 6-layer immersion gold circuit board, and dual customized THX power modules provide stable and reliable powerTECHNOLOGY output guarantee. All the cost is only to achieve the desired HIFI sound quality, lower distortion, and listen to the true and natural expression. 

Features:

THXAAA-888 Headphone Amplifier with THX AAA Technology；
Ultra-Compact Design, Perfect for Desktop Systems；
Balanced Stereo Headphone Output ；
Pre-amplifier application ；
Balanced Stereo Line Input；
High Precision Resistors for Temperature Stability ；
Pop-less Design with High-Quality Relays；
High precision and low noise 256 level relay volume control； *In actual use, in order to make the volume more linear, the extra levels are shielded.
12 Watts into 16 Ohm, 6 Watts into 32 Ohm ；
0.1 Hz to 500 kHz(-3dB) Frequency Response ；
3 Positions Switchable Gain Control ；
Fully Protection with DC, Over-Voltage, Over-Current, Short-Circuit and Thermal Protection on Headphone Amplifier ；
High-Efficiency Ultra-Low-Noise Power Supply .
1.9 inch LCD display.

And if you wanna set up your system with a high quality player, the S.M.S.L DP5, the latest flagship Network Digital Audio Player from S.M.S.L. In Black Friday Sales period, it is priced at US$509.99, 15% SAVE. DP5 is an upgrade over the previous DP3, equipped with latest desktop-grade ES9038Pro DAC chip. It is rich with features making it the optimum choice for the consumer looking for a powerful MQA enabled Network Digital Audio Player.

DP5 uses the desktop class ES9038 PRO DAC chip, it is one of the best commercial made DAC chip on the market. Thanks to the dynamics and signal-to-noise ratio of 130DB, the sound background of DP5 is very clean, and many weak sounds in the music can be heard.