MS2 PRO Reviews
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IEMS
HIDIZS MS2 PRO Review - Sean Talks Tech
Sean Talks Tech approaches the HIDIZS MS2 PRO as more than another affordable IEM. He highlights its hybrid driver configuration, tuning filters and premium-looking construction, but ultimately con...
Aug 7, 2025
HIDIZS MS2 PRO Review - Edmund
AudioMonsta reviewer Edmund sees the MS2 PRO as a distinctly different take on HIDIZS tuning. Rather than a smoother presentation, he hears a neutral-bright, mildly V-shaped signature built around ...
Aug 6, 2025
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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 |