The STAX SR-407 Signature utilizes a new super thin diaphragm of only 1.35 micron in thickness. This unique diaphragm has only been made possible by a revolutionary new material with a molecular structure previously unavailable. The improvement in sound quality and retrieval of inner detail is simply stunning.

STAX SR-404
Price: $580 Headphone only

* See below for whole system.

* Woo Audio is an authorized STAX dealer.

* Shopping cart applies to the U.S. buyers only. International buyers please contact for shipping cost and payment instruction.

    Technical Specifications :
  • Type: Push-Pull Electrostatic Open-Back Earspeaker
  • Frequency response: 7 - 41,000Hz
  • Impedance: 144k Ohms (10kHz)
  • Sensitivity: 100dB / 100V r.m.s. 1 kHz
  • Bias Voltage: 580V DC
  • Left & Right Channel Identification: Displayed on headband ARC section
  • Ear Pads: Crafted from high quality artificial leather for durability and comfort.
  • Cable: Low capacity wide format, PC-OCC (Pure Crystal Ohno Continuous Casting) 2.5m/8.2ft
  • Ambient Temperature & Humidity: 0 to 35ºC / 90% max. without condensation
  • Weight: 10.6oz without cable / 1.05lbs with cables

Price: $2030 SR-407 + GES

* Shopping cart applies to the U.S. buyers only. International buyers please contact for shipping cost and payment instruction.

* To order upgrade parts and options, go to GES product page