Sony INZONE H9 II: WH-G910N · WHG910N/B, black
Sony ULT WEAR (WH-ULT900N): WH-ULT900N (printed code YY2981) closed over-ear wireless headphones; Black, Off-White, Forest Gray. ULT FIELD speakers and the WH-1000X series are separate products.
| Specification | Sony INZONE H9 II | Sony ULT WEAR (WH-ULT900N) |
|---|---|---|
| Release year | 2025 | 2024 |
| Release year | 2025 Sony | — |
| Design | Over-ear, closed-back; adjustable suspension headband Sony | — |
| Weight | Approximately 260 g without microphone Sony | — |
| Microphone weight | Approximately 13 g including windscreen Sony | — |
| Microphone | Detachable boom; mute button and red indicator Sony | — |
| Gaming connection | 2.4 GHz through USB-C receiver Sony | — |
| Receiver mode | PC / OTHER switch Sony | — |
| Bluetooth | 5.3; Class 1 Sony | — |
| Codecs | SBC, AAC; LC3 through LE Audio Sony | — |
| Simultaneous connection | USB receiver + Bluetooth phone Sony | — |
| Analog connection | 3.5 mm cable; powered or passive operation Sony | — |
| When the cable is inserted | Bluetooth and receiver-based wireless functions are disabled Sony | — |
| Noise control | ANC and ambient sound mode; unavailable passively Sony | — |
| Game/chat balance | Only with the receiver in PC mode Sony | — |
| Volume control | Physical volume dial during wireless use Sony | — |
| PC software | INZONE Hub; unavailable through a Bluetooth connection Sony | — |
| Phone app | Sony Sound Connect through Bluetooth Sony | — |
| Charging | USB-C; full charge approximately 3.5 hours, condition dependent Sony | — |
| Use while charging | Supported Sony | — |
| Battery | Built-in rechargeable lithium-ion Sony | Music up to 30 hours ANC on, 50 hours off; calls up to 30 hours ANC on, 40 hours off; about 3.5 hours to charge over USB Sony |
| Wired frequency range | 5 Hz–20 kHz with power off; not a wireless measurement Sony | — |
| Impedance | 440 Ω powered / 21 Ω passive at 1 kHz Sony | — |
| Operating temperature | 0–40 °C Sony | — |
| Water protection | Not waterproof Sony | — |
| Box contents | USB-C receiver, USB-A–USB-C charging cable, analog cable, microphone and soft pouch Sony | — |
| Noise cancelling | — | Digital active noise cancelling with Integrated Processor V1 and Dual Noise Sensor; Ambient Sound mode Sony |
| Driver and ULT button | — | 40 mm dome-type closed dynamic driver with neodymium magnet; ULT button for bass-heavy sound mode Sony |
| Frequency response | — | 5–20,000 Hz (JEITA, wired); 20–20,000 Hz over Bluetooth (44.1 kHz sampling) Sony |
| Bluetooth and codecs | — | Bluetooth 5.2; A2DP, AVRCP, HFP, HSP; SBC, AAC, LDAC; about 10 m range Sony |
| Multipoint and sensor | — | Two Bluetooth devices at once; wear sensor (pauses music when removed) Sony |
| Wired use | — | Detachable single-sided cable of about 1.2 m, gold-plated L-shaped 3.5 mm plug; passive operation supported Sony |
| Microphone and processing | — | Electret condenser, omnidirectional microphone; DSEE Sony |
| Impedance and sensitivity | — | 314 Ω on, 32 Ω off (1 kHz); 110 dB/mW on, 100 dB/mW off (wired) Sony |
| Weight and colours | — | About 255 g; Black, Off-White, Forest Gray Sony |
| In the box | — | Connection cable, USB cable, reference guide, warranty card Sony |
| Service program | — | Free repair until 31 January 2027 for cracks in the rotating shaft between headband and housing on specific serial numbers Sony |