AP80 PRO MAX Review
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HIDIZS AP80 PRO MAX Copper Edition Review - Headfonics
The sound quality upgrade on the Hidizs AP80 PRO MAX Copper Edition is subtle rather than dramatic, the difference becomes difficult to ignore once noticed, making it hard to return to the aluminum...
Apr 17, 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 |