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Viral Srm-400s Semiconductor Driver Unit Instant 65% Discount [pIS3nDxY]

$51.99 $166.99 -69%

Introducing the Viral Srm-400s Semiconductor Driver Unit Instant 65% Discount [pIS3nDxY] The STAX SRM-400S is a revolutionary semiconductor driver unit, the successor to the esteemed SRM-353X. Designed to deliver unparalleled sound quality, the SRM-400S incorporates a custom-made low noi

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Viral Srm-400s Semiconductor Driver Unit Instant 65% Discount [pIS3nDxY]

Introducing the Viral Srm-400s Semiconductor Driver Unit Instant 65% Discount [pIS3nDxY]

The STAX SRM-400S is a revolutionary semiconductor driver unit, the successor to the esteemed SRM-353X. Designed to deliver unparalleled sound quality, the SRM-400S incorporates a custom-made low noise DUAL FET in the first stage and FETs in the last stage, ensuring precise and clear audio reproduction. The unit inherits the design and manufacturing methods of the premium SRM-700S, a testament to STAX's commitment to excellence. The SRM-400S is a true DC amplification driver unit, with a complete configuration that includes no coupling condensers, resulting in a pure and distortion-free audio experience.

Key Features and Specifications

The SRM-400S boasts an array of advanced features that set it apart from its predecessors. Its power transformer, specifically designed for both high and low voltage circuits, enhances power efficiency and sound quality. The new, more rigid chassis, constructed with non-magnetic aluminum, reduces environmental noise factors such as vibrations, further improving audio clarity. The unit is equipped with RCA and XLR inputs, offering flexibility and compatibility. The custom concentric dual volume knob and RCA parallel output terminal are carried over from the previous model, ensuring a seamless user experience. Key specifications include a frequency response of DC - 90kHz, a gain of 60dB, and harmonic distortion of 0.01% or less, making it a top-tier audio driver unit.

Practical Applications and Benefits

The SRM-400S is an ideal choice for audiophiles seeking to elevate their listening experience. Its high-resolution sound and dynamic low range reproduction make it perfect for pairing with advanced lambda series headphones. Additionally, the unit is suitable for upgrading from entry-level models, such as the SRS-3100, making it accessible to a wide range of users. The SRM-400S is designed to cater to both beginners and intermediates, offering a seamless transition from basic to premium audio experiences. With its exceptional sound quality, durable construction, and user-friendly features, the SRM-400S is a must-have for anyone looking to enhance their audio setup.

What Our Customers Say

January 28, 2026

Absolutely no complaints!

This is a rock-solid, very, very, very high-quality item.

- Gwen M..

January 28, 2026

Absolutely no complaints!

An awesome purchase. It works perfectly.

- Nisien K..

January 28, 2026

Absolutely no complaints!

Great construction, and a superb function.

- Bendigeidfran D..

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