Brand: Stax


STAX SRM-D50 Desktop Headphone Amp & DAC

Availability: In Stock
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A High-Performance Electrostatic Driver and Digital-to-Analog Converter all in one!

This item not eligible for any further discount offers!

SPECIAL NOTE: Specifications: 120V, U.S. Version, 1 Year Parts & Labor Warranty. NOTE: All units available on Japanese websites are the 100volt for Japan only models. They have no warranty in the USA, are a potential fire hazard and will have significantly shortened lives due to the 20% over voltage by USA 120V power!!!

The STAX SRM-D50 is a high-performance electrostatic driver and Digital-to-Analog Converter, inspired by the battery-powered SRM-D10.With an elegant all-in-one design, the D50 creates a simple solution for any music lover to experience the legendary sound of Stax earspeakers.


  • Supports various digital inputs such as USB, optical, and coaxial digital input
  • Built-in DAC supports high resolution up to PCM 32/384 KHz or DSD 5.6
  • VU meter displays input strength
  • 4mm thick nonmagnetic aluminum cover.
  • R core power transformer with less leakage flux
  • Standard Stax 5-Pin Connector for all Stax Headphones

Technical Specifications

Frequency response 20Hz - 40kHz (+/-3dB)
Rated Input Level 130mV r.m.s
Maximum Input Level 30V/ RCA, at minimum volume
Maximum Output Voltage 400V RMS (1130Vp-p)
Gain 59 dB
Harmonic distortion 0.025% or less/1kHz-10kHz /When use with SR-L series
Input Impedance 20kO (RCA)
Bias Voltage DC 580V
Digital Input USB (type B) ×1?TOSLINK Optical ×1?COAX RCA ×1
Analog input RCA ×1
Mains voltage AC 110V / 60Hz
Power Consumption 35W
Operating temperature 0 to 35 degrees (Celsius) (less than 90% humidity, non condensing)
Dimension 7.55(W) x 2.63(H) x 10.55(D) inches, 192(W)×67(H)×268(D) mm
Weight 9.9 lbs / 4.5 kg
Warranty 1-year U.S. limited warranty

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