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Sony ULT Wear WH-ULT900N Wireless Noise-Canceling Headphones Overview
The Sony WH-ULT900N (marketed as ULT Wear) are mid-range over-ear headphones in Sony’s ULT Power Sound series, emphasizing explosive bass via a dedicated ULT button while packing premium features like adaptive ANC and LDAC hi-res audio. Launched in April 2024 as a successor to the WH-XB910N, they’re designed for bass lovers craving immersive sound without flagship prices—think EDM, hip-hop, or gaming sessions like Assassin’s Creed Shadows on Switch 2 (via Bluetooth).
Key Features
- Sound Quality: 40mm drivers with Integrated Processor V1 deliver Sony’s V-shaped profile—punchy lows (down to 20Hz), clear highs, but recessed mids unless EQ’d. ULT button boosts bass in 3 levels (Off/Light/Heavy); supports LDAC (up to 990kbps hi-res), DSEE upscaling, and 360 Reality Audio. App analyzes ear shape for personalized spatial sound.
- Noise Cancellation: Adaptive ANC with multiple beamforming mics blocks low rumbles (e.g., traffic) effectively; Ambient Sound mode and Quick Attention (hand over earcup) for awareness. Not XM5-level, but solid for the price.
- Battery Life: Up to 30 hours with ANC on (50 hours off); quick-charge: 3 mins for 3 hours. USB-C charging; no wireless.
- Design & Comfort: Foldable over-ear with soft synthetic leather earcups (wide for glasses) and adjustable headband; weighs 254g. IPX4 sweat-resistant earpads; includes hardshell case. Colors: Black, Off-White, Forest Gray.
- Connectivity: Bluetooth 5.2 (multipoint for 2 devices, 10m range), 3.5mm wired option. Built-in mics with wind noise reduction for calls; Sony Headphones app for EQ, Adaptive Sound Control (auto-switches modes), and Alexa/Google Assistant.
- Controls: Touch panel on right earcup (swipe for volume/track); physical buttons on left for power/ANC/ULT.
Pros and Cons (Based on Aggregated Reviews)
Aspect Pros Cons Sound Massive, customizable bass via ULT; LDAC/DSEE for hi-res detail Overly boomy (muddies mids/vocals); needs EQ for balance ANC/Battery Effective low-end blocking; 30+ hours endurance ANC middling on highs (chatter leaks); no wireless charging Design/Fit Comfy for hours; foldable with case; stylish lenticular logo Plasticky hinges creak; touch controls finicky



