H400

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s.m.s.l H400 #1
s.m.s.l H400 variant 1
s.m.s.l H400 variant 2
s.m.s.l H400 variant 3
s.m.s.l H400 variant 4
s.m.s.l H400 variant 5
s.m.s.l H400 variant 6

s.m.s.l H400

View at s.m.s.l
Balanced Headphone Output
Gain Switching
Remote Control

2024 high-end headphone amplifier

Fully balanced discrete design for ultra-high power output.


The distortion is as low as 0.00006%, and the SNR is as low as 133dB!


High output power, 16 ohm output power up to 15W, 32 ohms up to 7.5W;


Relay Switching Volume attenuator,completely avoid imbalance between the left and right channels!


3 gears gain control, low gain is specially optimized for IEM;


Pre-out function, can be used as Hi-End pre-amp;


Tempered glass optically bonded IPS display screen


Ultra-compact design, very suitable for desktop system;


High precision low-temperature drift resistance, performance is not affected by temperature;


High-quality relay and non-impact sound design;


20Hz to 100KHz(-0.5dB) frequency response;


The headphone amplifier has comprehensive protections such as DC, overvoltage, and overload protection;


Built-in high efficiency and low noise power supply system;


Equipped with remote control, full-function remote control.


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