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【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device’s requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.
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[Equipped with super powerful chip] S9 Pro Plus adopts DAC chip ES9038Q2M, which supports PCM sampling rate of up to 32 bits/768kHz, high signal-to-noise ratio of up to 128dB and ultra-low THD+N of -120dB, achieving perfect sound source reproduction.
[Strong Output Efficiency] 138mW+138mW@32Ω 3.5mm SE /180mW+180mW@32Ω 4.4mm BAL, easily drives low impedance IEMs and headphones. It also offers outstanding desktop-class performance.
【Various Filter Effects】S9 Pro Plus provides 6 filter options for a high-definition sound quality experience. By pressing the "+" and "-" buttons at the same time, you can switch between 6 filter effects with different RGB lighting visual effects.
[Low Noise, Low Distortion] Distortion is reduced to 0.0019% with SE PO (3.5mm) output, and extremely fine distortion of only 0.0008% is achieved with balanced output BAL (4.4mm). The signal-to-noise ratio is 123dB/120dB, and the isolation can reach 75dB/115dB.
[Wide Range of Compatible Devices] S9 Pro Plus adopts a standard Type-C terminal, ensuring excellent compatibility with a wide range of platforms including Windows, Mac OS, Android, iOS, Harmony OS, and other systems.
"Martha" design background Hidizs is the special name given to the S9 Pro Plus. The name comes from the name of the last hen of the traveling pigeon, which went extinct 109 years ago. Hidizs chose the name "Martha" to commemorate this beautiful species and honor its precious presence. This name expresses respect and love for the product, giving it a deep meaning. List of specifications information: Equipped with ESS9038Q2M DAC chip Supports PCM up to 768kHz/32Bit Supports DSD64/128/256/512 codec Volume adjustment button & 6 types of filter modes Supports single end 3.5mm/balanced 4.4mm 138mW+138mW@32Ω 3.5mm single end output ｜180mW+180mW@32Ω 4.4mm balanced output sample rate indicator compatible Compatible systems: Windows/Mac OS/Android/iOS/Harmony OS Hi-Res certification Packing list: Type-C to Type-C cable x1, Type-C to USB-A adapter x1, instruction manual x1, Warranty
Book x1 Martha's Eye - Supports Sample Rate Indicator Light S9 Pro Plus can bring different visual effects depending on the audio format. Specific features include six different color changes to distinguish different sampling formats and sampling rates. Yellow: DSD 64/128 Purple: DSD 256/512 Blue: PCM 176.4/192(kHz) Red: PCM 352.8/384(kHz) White: PCM 705.6/768(kHz) Green: PCM 44.1/48/88.2/96(kHz)
