Hidizs S9 Pro Plus Martha

HiFi Balanced Dongle DAC

  • ES9038Q2M High Performance DAC Chip
  • PCM Supports Up to 32bit/768kHz
  • Native DSD Supports Up to 512
  • Physical Buttons for Volume Control & 6 Filter Option
  • 4.4mm Balanced & 3.5mm Single-ended Output
  • 138mW+138mW@32Ω 3.5mm SE / 180mW+180mW@32Ω 4.4mm BAL
  • Sampling Rate Indication RGB Lighting
  • Compatible with all platforms: Windows/Mac OS/iPad OS/Android/iOS/Harmony OS
  • Hi-Res Audio Certification
Regular price $139.00 USD
Sale price $139.00 USD Regular price

PCM Supports Up to 32bit/768kHz / Native DSD Supports Up to 512

The device incorporates the advanced ES9038Q2M chip, enabling support for an impressive 32bit/768kHz PCM sampling rate. With a remarkable Signal-to-Noise Ratio (SNR) of up to 128dB and ultra-low Total Harmonic Distortion plus Noise (THD+N) of -120dB, the 'Martha' guarantees unparalleled precision, capturing intricate musical details for a flawless sound reproduction.

Tailored for Audiophiles

Designed with audiophiles in mind, the 'Martha' features practical function buttons for seamless volume adjustments. The ES9038Q2M introduces six filter pulse response effects, easily accessible with dedicated buttons, providing a personalized listening experience.

Dual 4.4mm/3.5mm Output Interfaces

Indulge in a dual audio experience with both 4.4mm and 3.5mm audio output interfaces. This balanced decoding amplifier caters to various headphone types while maintaining a lightweight profile at just 17 grams, ensuring high-quality music on the go.

Elegant and Powerful Sprite

Crafted from aerospace-grade aluminum using advanced CNC machining, the 'Martha' showcases a robust and stylish design. Its compact and lightweight build provides a comfortable and elegant feel.

Powerful and Compact Audio Excellence

Despite its size, the S9 Pro Plus delivers exceptional power (138mW+138mW@32Ω 3.5mm SE /180mW+180mW@32Ω 4.4mm BAL), capable of driving any IEMs, including planar or low-impedance models, achieving outstanding desktop-class performance.

Low Noise, Low Distortion

Experience a clean, hiss-free amplification with ultra-low distortion (0.0019% in 3.5mm, 0.0008% in 4.4mm) and a high SNR (123dB/120dB), ensuring an optimal audio experience with the 'Martha.'

Universal Compatibility for All Platforms

Featuring a standard Type-C data interface, the S9 Pro Plus is compatible with various platforms, offering true plug-and-play convenience on Windows, Mac OS, iPad OS, Android, iOS, and Harmony OS.

From Portable Smart Devices to Any Destination

The S9 Pro Plus is a versatile and portable DAC/Amp that enhances your audio experience across mobile phones, desktop setups, or exotic destinations. Its true balanced design delivers ample power with minimal crosstalk and noise, comparable to dedicated setups. Whether you're into music, movies, or gaming, the S9 Pro Plus ensures exceptional audio quality in every situation.

Inside the Box

  • 1 x Hidizs S9 Pro Plus Martha
  • User Manual

1 Year Warranty

The Hidizs S9 Pro Plus Martha Comes with a 1 year warranty on the AMP & DAC only. Warranty doesn't apply to the included accessories.

Technical Details

DAC Chip
Native DSD64/128/256/512
Support up to 32bit/768kHz
Output option
Compatible with single-ended 3.5mm and balanced 4.4mm plug earphones
Sampling rate indicator
Shell material
CNC integrated aluminum alloy
Function buttons
Switching filter
Transmission interface
Type-C interface interchangeable cable design
Supported systems
Android, Windows, Mac OS, iPad OS, Harmony OS (Please note: a Lightning to Type-C cable with OTG function has to be purchased separately to support iOS)
Net weight

Authentic Products

Linsoul Audio is the authorized distributor. All products are authentic and genuine.

Worldwide Free Shipping

We are located in China but send our products worldwide for free. T&Cs apply.

1 Year Warranty

We provide 1 year warranty for the all products except the cables and accessories*.

Online Support

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Monday - Friday: 09:00 – 18:00 (UTC+8)

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30-Day Return Policy

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