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STAX has successfully come to be known as the most well renowned audio brand for producing the world's first electrostatic headphones and amplifiers. STAX prefers making its headphones knowns as ‘Earspeakers’ and its amplifiers as ‘Drivers’ as they produce audio output like never before.

The all new STAX SRS-005S MK2 Earspeakers is STAX's entry level Electrostatic Headphone System. However, there is absolutely nothing remotely entry level in terms of sound performance.

Stax brings to us the combination of the SR-003 MK2 earspeakers and the dedicated the dedicated SRM-252S driver, providing an easy access to superb audio quality.

A match made in heaven, the SR-003 MK2 earspeakers' intrepid design allows for high-quality outdoor listening On the other hand, the SRM-252S provides class-A amplificationthroughout the stages with no coupling capacitors that reproduce exhaustively the finest nuance of music. 

The Stax SRS-005S MK2 lets you experience a decent 20-20,000Hz frequency response. We are truly impressed.


    Why Electrostatic Headphones?

    Electrostatic designed have been pioneered by STAX and they are clearly at the top of the game. The electrostatic headphones operate on a an unconventional level unlike other headphones that feature dynamic and moving coil designs. In most headphones, the drivers are heavier, making it difficult to recreate detail in playback due to mass.

    Exclusive Driver Unit Amplifier

    The SRM-252S is an exclusive driver unit (amplifier) for driving STAX ear speakers with PRO-bias 5 pins. Its line input can directly connect to the audio output terminal of CD player, portable audio player and PC. The SRM-252S has a simple design that excels in sound quality employing the carefully selected newest high-voltage transistors and low-noise FETs. The output stage featuring the emitter-follower configuration reinforces the driving performance and also realized the smooth sound quality.


    Improved Power Supply on the SRM-003 MK2

    The newly designed driver unit SRM-003 MK2 featuring improved power supply has made it possible to get enough performance also when using a chargeable battery with lower voltage not to mention an alkaline dry cell. Furthermore, the unit can be switched over to ECO and normal modes to enjoy the difference in tone quality.

    Improved Wearing Comfort with 3 Kinds of Earpads

    Three kinds of ear pads (ear piece) are also attached so that the SR-003 MK2 can offer better wearing comfort with the improved form of ear pads. Moreover, an exclusive head band (overhead arc) is provided to obtain more stable wearing feeling.

    Open-Back Redesigned Earpiece

    The redesigned ear canal type structure of the SR-003 MK2 enables you to enjoy excellent electrostatic sound quality without covering your ears.


    Type:Push-Pull electrostatic circular sound element, In-The-Earcanal type enclosure

    Frequency Response :20-20kHz (4dB)

    Capacitance :44pF (including cable)

    Sensitivity :110dB / 100V r.m.s. 1 kHz

    Bias Voltage :550-580V DC

    Ear Pads :Silicone earbuds (Small, Medium, or Large) Medium included

    Cable :parallel 6-core, 1.5m full length

    Weight :11.33gm without cable / 28gm with cable


    Type:All-stage semiconductors, Low-noise dual FET input Class A operation, Pure balance DC amplifier configuration Earspeaker driver unit

    Frequency Response :DC to 35,000Hz with SR-207 (with SR-207)

    High Harmonic Distortion :Max 0.01% (1kHz at 100V r.m.s. )

    Gain :58dB (x800)

    Input Terminal : 1 RCA with 1 RCA parallel out

    Rated Input Level : 125mV / 100V Outputs

    Max. Input Level : 30V (at minimum volume level)

    Input Impedance : 50KΩ(RCA)

    Max. Output Voltage : 280V r.m.s. (1kHz)

    Standard Bias Voltage : PRO 580V x 1

    Power Voltage Frequency : 117V (50Hz / 60Hz)

    Power Consumption : 4W DC12V

    Temperature & Humidity : 0 to 35ºC / 90% max. without condensation

    Dimensions : 5.2 (W) x 1.5 (H) x 5.2 (D) in

    Weight : 1.2lbs

    Color : Silver

    1. Stax - SR-003 

    2. Stax - SRM-252S 

  • One Year 

    Authorized Service Partner: Headphone Zone

    Manufacturer's Warranty covers only manufacturing defects. To claim warranty, please maintain a copy of your invoice and Contact Headphone Zone.

Category: Balanced, Pre-order

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