IEMS
HIDIZS x WDC: A Partnership for Sound and Conservation
At Hidizs, we believe that great sound and oceanic responsibility can go hand in hand. Our passion for bringing high-fidelity audio to the world is only rivaled by our commitment to protecting the ...
Mar 9, 2026
MP145 PRO: Elevating Planar Sound to the Next Level
An Evolution of Planar Precision Building on the success of the MP143 SALT and MP145, Hidizs proudly introduces the MP145 PRO—a refined evolution of our 14.5mm planar magnetic platform. The MP145 ...
Mar 6, 2026
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| Comparison | ||
| Model | S9 PRO PLUS | S9 PRO |
| Product Type | Split Style | Split Style |
| DAC Chip | ESS9038Q2M | ESS9038Q2M |
| Headphone Jack | 3.5mm+4.4mm | 3.5mm+2.5mm |
| Physical Button | 2 | 0 |
| Sampling Rate Indicator Light | 6 | 6 |
| RGB LED Light | × | × |
| MQA | × | × |
| PCM 32bit/192kHz | √ | √ |
| PCM 32bit/384kHz | √ | √ |
| PCM 32bit/768kHz | √ | √ |
| DSD 64 | √ | √ |
| DSD 128 | √ | √ |
| DSD 256 | √ | √ |
| DSD 512 | √ | √ |
| ASIO | √ | √ |
| PC Drive | √ | √ |
| Switching Filter | √ | × |
| SNR | 3.5mm PO:123dB(@32Ω) 4.4mm BAL:120dB(@32Ω) | 3.5mm PO:120dB(@32Ω) 2.5mm BAL:119dB(@32Ω) |
| Channel Separation | 3.5mm PO:75dB(@32Ω) 4.4mm BAL:115dB(@32Ω) | 3.5mm PO:80dB(@32Ω) 2.5mm BAL:118dB(@32Ω) |
| THD+N | 3.5mm:0.0019%@32Ω 4.4mm:0.0008%@32Ω | 3.5mm:0.0006%@32Ω 2.5mm:0.0012%@32Ω |
| Output Power | 3.5mm PO:138mW@32Ω 4.4mm BAL:180mW@32Ω | 3.5mm PO:100mW@32Ω 2.5mm BAL:200mW@32Ω |
| Frequency Response | 20Hz-40kHz | 20Hz-50kHz |
| Recommended Earphone Resistance Range | 8-300Ω | |
| Headphone with mic | Compatible | Compatible |
| Transmission interface | Type-C | Type-C |
| Power System | No need to charge. Plug and play | No need to charge. Plug and play |
| Shell Material | Aluminum alloy | Aluminum alloy |
| Color | Black, Silver, Blue | Black, Silver |
| Dimensions | 55×25×11mm | 59×18×8mm |
| Net weight | 17g | 11g |
| Supported System | 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) | Windows, Mac OS, iPad OS, Android, iOS (Please note: For iOS users, the Lightning OTG cable has to be purchased separately) |
| What's in the box | Hidizs S9 PRO PLUS x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 User manual x 1 Warranty card x 1 | Hidizs S9 PRO DAC & AMP x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 Rear clip x 1 User manual x 1 Warranty card x 1 |
| Comparison | ||
| Model | S9 PRO PLUS | S9 PRO |
| Product Type | Split Style | Split Style |
| DAC Chip | ESS9038Q2M | ESS9038Q2M |
| Headphone Jack | 3.5mm+4.4mm | 3.5mm+2.5mm |
| Physical Button | 2 | 0 |
| RGB LED Light | × | × |
| MQA | × | × |
| PCM 32bit/192kHz | √ | √ |
| PCM 32bit/384kHz | √ | √ |
| PCM 32bit/768kHz | √ | √ |
| DSD 64 | √ | √ |
| DSD 128 | √ | √ |
| DSD 256 | √ | √ |
| DSD 512 | √ | √ |
| ASIO | √ | √ |
| PC Drive | √ | √ |
| Switching Filter | √ | × |
| SNR | 3.5mm PO:123dB(@32Ω) 4.4mm BAL:120dB(@32Ω) | 3.5mm PO:120dB(@32Ω) 2.5mm BAL:119dB(@32Ω) |
| Channel Separation | 3.5mm PO:75dB(@32Ω) 4.4mm BAL:115dB(@32Ω) | 3.5mm PO:80dB(@32Ω) 2.5mm BAL:118dB(@32Ω) |
| THD+N | 3.5mm:0.0019%@32Ω 4.4mm:0.0008%@32Ω | 3.5mm:0.0006%@32Ω 2.5mm:0.0012%@32Ω |
| Output Power | 3.5mm PO:138mW@32Ω 4.4mm BAL:180mW@32Ω | 3.5mm PO:100mW@32Ω 2.5mm BAL:200mW@32Ω |
| Frequency Response | 20Hz-40kHz | 20Hz-50kHz |
| Headphone with mic | Compatible | Compatible |
| Transmission interface | Type-C | Type-C |
| Power System | No need to charge. Plug and play | No need to charge. Plug and play |
| Shell Material | Aluminum alloy | Aluminum alloy |
| Color | Black, Silver, Blue | Black, Silver |
| Dimensions | 55×25×11mm | 59×18×8mm |
| Net weight | 17g | 11g |
| Supported System | 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) | Windows, Mac OS, iPad OS, Android, iOS (Please note: For iOS users, the Lightning OTG cable has to be purchased separately) |
| What's in the box | Hidizs S9 PRO PLUS x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 User manual x 1 Warranty card x 1 | Hidizs S9 PRO DAC & AMP x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 Rear clip x 1 User manual x 1 Warranty card x 1 |
| Comparison | ||
| Model | S9 PRO PLUS | S9 PRO |
| Product Type | Split Style | Split Style |
| DAC Chip | ESS9038Q2M | ESS9038Q2M |
| Headphone Jack | 3.5mm+4.4mm | 3.5mm+2.5mm |
| Physical Button | 2 | 0 |
| RGB LED Light | × | × |
| MQA | × | × |
| PCM 32bit/192kHz | √ | √ |
| PCM 32bit/384kHz | √ | √ |
| PCM 32bit/768kHz | √ | √ |
| DSD 64 | √ | √ |
| DSD 128 | √ | √ |
| DSD 256 | √ | √ |
| DSD 512 | √ | √ |
| ASIO | √ | √ |
| PC Drive | √ | √ |
| Switching Filter | √ | × |
| SNR | 3.5mm PO:123dB(@32Ω) 4.4mm BAL:120dB(@32Ω) | 3.5mm PO:120dB(@32Ω) 2.5mm BAL:119dB(@32Ω) |
| Channel Separation | 3.5mm PO:75dB(@32Ω) 4.4mm BAL:115dB(@32Ω) | 3.5mm PO:80dB(@32Ω) 2.5mm BAL:118dB(@32Ω) |
| THD+N | 3.5mm:0.0019%@32Ω 4.4mm:0.0008%@32Ω | 3.5mm:0.0006%@32Ω 2.5mm:0.0012%@32Ω |
| Output Power | 3.5mm PO:138mW@32Ω 4.4mm BAL:180mW@32Ω | 3.5mm PO:100mW@32Ω 2.5mm BAL:200mW@32Ω |
| Frequency Response | 20Hz-40kHz | 20Hz-50kHz |
| Headphone with mic | Compatible | Compatible |
| Transmission interface | Type-C | Type-C |
| Power System | No need to charge. Plug and play | No need to charge. Plug and play |
| Shell Material | Aluminum alloy | Aluminum alloy |
| Color | Black, Silver, Blue | Black, Silver |
| Dimensions | 55×25×11mm | 59×18×8mm |
| Net weight | 17g | 11g |
| Supported System | 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) | Windows, Mac OS, iPad OS, Android, iOS (Please note: For iOS users, the Lightning OTG cable has to be purchased separately) |
| Packing List | Hidizs S9 PRO PLUS x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 User manual x 1 Warranty card x 1 | Hidizs S9 PRO DAC & AMP x 1 Type-C to Type-C cable x 1 Type-C to USB-A adapter x 1 Rear clip x 1 User manual x 1 Warranty card x 1 |