S9 Pro Plus Martha USB C DAC Dongle, Portable DAC AMP, BAL 4.4mm, SE 3.5mm, Volume Control, 6 Filter Option, Support Windows/Mac/Android/iOS System,

S9 Pro Plus Martha USB C DAC Dongle, Portable DAC AMP, BAL 4.4mm, SE 3.5mm, Volume Control, 6 Filter Option, Support Windows/Mac/Android/iOS System,

Professional Circuit Architecture: The Martha USB C DAC features the ES9038Q2M chip, supporting a maximum 32-bit/768kHz PCM sampling rate. This ensures perfect sound reproduction with a high signal-to-noise ratio (SNR) of up to 128 dB and ultra-low total harmonic distortion plus noise (THD+N) of -120 dB, providing an unparalleled audio experience Elegant and Powerful Sprite: The Martha portable DAC delivers exceptional performance with 138mW+138mW at 32Ω through the 3.5mm single-ended output and 180mW+180mW at 32Ω through the 4.4mm balanced output. This ensures it can properly drive a wide range of IEMs, including hard-to-drive planar and low-impedance IEMs, earbuds, and headphones. It also offers outstanding desktop-class performance, making it a versatile and powerful audio solution Low Noise, Low Distortion: The Martha dongle DAC ensures exceptional audio quality with ultra-low distortion. In the 3.5mm single-ended (SE) output, the distortion is as low as 0.0019%, while the 4.4mm balanced (BAL) output achieves an even lower distortion of 0.0008%. The Signal-to-Noise Ratio (SNR) is outstanding at 123 dB for the SE output and 120 dB for the BAL output, providing a pristine and immersive audio experience Compatibility for All Platforms: The Martha portable DAC amp features a standard Type-C data interface, ensuring seamless compatibility across a wide range of devices, including Windows, Mac OS, Android, iOS, and Harmony OS. For optimal connection, please ensure the plug with the logo side is facing up. This versatile design makes it easy to integrate into your audio setup Six Filter Effects: The Martha headphone amp offers six filter options for an unparalleled hi-res music experience. By simultaneously pressing both buttons, you can cycle through the six filter effects, each accompanied by distinct RGB lighting visual effects. This feature allows you to tailor the sound to your personal preferences, ensuring a premium and customizable audio experience

Hidizs S9 Pro Plus Martha HiFi Balanced Dongle DAC

After 109 years since the extinction of the Passenger Pigeon, in commemoration of this magnificent species, the professional acoustic brand, Hidizs, has chosen to name their third-generation HiFi Balanced Dongle DAC , the S9 Pro Plus, as "Martha", the name of the last surviving female Passenger Pigeon.

Specification

• Dimensions: 55×25×11mm
• Net weight: 17g
• DAC Chip: ESS9038Q2M
• DSD: Native DSD64/128/256/512
• PCM: Support up to 32bit/768kHz
• Output option: Single-ended 3.5mm/ Balanced 4.4mm
• Frequency Response: 20Hz-40kHz
• Distortion: PO 0.0019%/ BAL 0.0008%
• SNR: PO 123dB/ BAL 120dB
• Separation: PO 75dB/ BAL 115dB
• Output power: 138mW+138mW SE 3.5mm/ 180mW+180mW BAL 4.4mm

6 Filter Option

ES9038Q2M offers six filter pulse response effects (PCM FILTER IMPULSE RESPONSE), and the switching function is integrated into two buttons. By simultaneously pressing both buttons, you can cycle through the six filter effects.

Waveform graphs and Descriptions

• Green: PCM 44.1/48/88.2/96(kHz), anodizing fast roll-off (Default Filter). Vocals are slightly forward, and high frequencies are extended with reduced resonance
• Red: PCM 352.8/384(kHz), linear phase fast roll-off. Enhanced analytical capabilities, delivering a clean and crisp sound
• Blue: PCM 176.4/192(kHz), linear phase slow roll-off. Enriched harmonics, full low frequencies, and natural reverb
• Yellow: DSD 64/128, minimum phase fast roll-off. Balanced and moderate sound
• Purple: DSD 256/512, minimum phase slow roll-off. Clean sound with a forward position
• White: PCM 705.6/768(kHz), hybrid fast roll-off. Soft and smooth sound with enhanced detail

Precautions

• Ensure that the Type-C header logo is facing upwards when inserting the player.
• You can download the new firmware on the official website for independent volume control.
• If the sound is too loud, please replace the headphones with higher impedance.