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SRM-D50

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Electrostatic Earspeaker Amplifier

Electrostatic Earspeaker Amplifier

A compact desktop amplifier/DAC designed for STAX electrostatic headphones, delivering high-resolution performance in a sleek, space-saving chassis. Featuring an ESS ES9018 DAC, XMOS USB interface and discrete-component amplifier circuitry inspired by classic STAX designs, it supports DSD128 playback and PCM audio up to 384kHz for exceptional clarity and precision.

$2,200.00

*Local Pickup or Free Delivery Australia Wide
Inside, the ESS ES9018 DAC is paired with the ultra low-distortion TI OPA1642 op amp to ensure accurate, bit-perfect signal reproduction with remarkable detail and transparency. The XMOS USB interface provides seamless support for high-resolution digital formats, while additional optical and coaxial inputs offer flexible connectivity for a wide range of source components. Drawing on STAX’s long-standing amplifier heritage, the fully discrete amplifier circuitry delivers the speed, openness and refinement electrostatic headphones are known for.

All new products come backed with full manufacturers warranty and support.

Manufacturers warranties are typically 12 months but will vary between products so please feel free to contact our team for more information.

Please feel free to reach out to us for more information. You can get in touch with one of our team members via our Contact Us page - phone or email.

Our Promise to You

At Surrounds, we want you to be absolutely thrilled with your new gear. We’re here to help, and your satisfaction is our priority.

Returns for Change of Mind

We understand that sometimes you might change your mind. We may, at our discretion, offer a return for items within 15 days of delivery. To be eligible, your item must be in brand new, unused condition and in its original, unopened packaging.

Please choose carefully, as we do not typically offer refunds for a change of mind. We may, however, provide an exchange or store credit instead. Please note that a restocking fee of up to 15% may be deducted from your credit or refund to cover our supplier costs.

You will be responsible for the cost of return shipping.

If Your Item is Faulty

All of our new products are covered by a full manufacturer's warranty, which is in addition to your rights under the Australian Consumer Law.

If you receive a faulty or damaged item, please contact us right away at info@surrounds.com.au or (08) 9389 6900 so we can get it resolved for you.

  • For a minor issue, we'll arrange a repair or replacement.
  • For a major issue, you are entitled to your choice of a refund or a replacement.

We will cover the cost of return shipping for any confirmed faulty items.

A quick note on returns

  • Please keep your original receipt or proof of purchase, as this is required for all returns.
  • If we determine the item was damaged by misuse, or if your consumer rights or warranty do not apply, you may be responsible for repair or shipping fees.

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Inside, the ESS ES9018 DAC is paired with the ultra low-distortion TI OPA1642 op amp to ensure accurate, bit-perfect signal reproduction with remarkable detail and transparency. The XMOS USB interface provides seamless support for high-resolution digital formats, while additional optical and coaxial inputs offer flexible connectivity for a wide range of source components. Drawing on STAX’s long-standing amplifier heritage, the fully discrete amplifier circuitry delivers the speed, openness and refinement electrostatic headphones are known for.

All new products come backed with full manufacturers warranty and support.

Manufacturers warranties are typically 12 months but will vary between products so please feel free to contact our team for more information.

Please feel free to reach out to us for more information. You can get in touch with one of our team members via our Contact Us page - phone or email.

Surrounds offer the following assurances with every online order:

Personalised service - our team will be in contact once your order is placed to discuss timelines & logistics. We also offer comprehensive installation services and after sales support. Please feel free to get in touch to discuss any of the above before finalising your purchase.

Full manufacturer’s warranty on any new in box hardware.

7 day return of any faulty product.

Visually Enjoyable

Designed to be as enjoyable visually as it is sonically, the front-panel voltage meter moves dynamically with the music, adding a tactile sense of engagement to every listening session. Carefully selected internal components reflect STAX’s uncompromising approach to audio quality, while the full aluminium housing features multiple surface treatments for a refined velvet-like finish and premium feel. A standard STAX 5-pin connector ensures compatibility with all STAX electrostatic headphones.

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