1more SonoFlow PRO HQ51 Grey Wireless On-ear headphones

1MORE SonoFlow Pro HQ51 — Budget ANC Headphones That Punch Above Their Weight

The 1MORE SonoFlow Pro HQ51 is a closed-back wireless over-ear headphone built around QuietMax active noise cancellation and 40 mm diamond-like carbon drivers, aimed at listeners who want premium-tier features without the flagship price tag. At well under $100, this model competes directly with established ANC headphones from Sony and Bose, offering LDAC Hi-Res wireless audio, Bluetooth 5.4, and a battery life that runs into triple digits. The SonoFlow Pro HQ51 is a strong choice for commuters, frequent flyers, and home listeners who need effective noise reduction, long playtime, and a comfortable fit for marathon listening sessions.

What Sets the SonoFlow Pro HQ51 Apart

Inside the earcups sit 40 mm diamond-like carbon (DLC) drivers — a diaphragm material more commonly found in higher-priced headphones — paired with dual Hi-Res gold certification and LDAC support for transmission speeds up to 990 kbps. The QuietMax dual-feed ANC architecture uses both feed-forward and feed-back microphones to cut external noise by up to 45 dB, while a dedicated transparency mode lets in ambient sound without removing the headphones. Sound tuning is handled by Grammy-winning engineer Luca Bignardi, lending the SonoFlow Pro HQ51 a balanced, studio-aimed signature.

Technical Specifications — Audio, Battery, and Connectivity

The spec sheet covers the essentials that matter for everyday wireless listening: driver size, ANC depth, Bluetooth version, battery life, and weight. Each value below comes from the manufacturer's listing and independent reviews.

• Drivers: 40 mm dynamic, diamond-like carbon (DLC) diaphragm — extends frequency response up to 40 kHz for Hi-Res content
• Active Noise Cancellation: QuietMax dual-feed, up to 45 dB reduction — feed-forward and feed-back microphones for noisy environments
• Bluetooth: 5.4 with LDAC codec support — 10 m wireless range and multipoint pairing via the 1MORE app
• Battery Life: up to 100 hours (ANC off), 65 hours (ANC on) — 5-minute USB-C quick charge delivers 10 extra hours
• Weight: 246 g — among the lightest ANC headphones in this price bracket

Who Should Buy the 1MORE SonoFlow Pro HQ51

The 1MORE SonoFlow Pro HQ51 is the right choice for budget-conscious commuters, students, and remote workers who need reliable active noise cancellation, long battery life, and all-day comfort without paying flagship prices. Frequent flyers will appreciate the 65-hour ANC runtime and the included hard case, while casual listeners benefit from the LDAC codec and the balanced tuning by Luca Bignardi. The lightweight 246 g frame and plush memory-foam pads make it well suited to long study sessions, gym workouts, or binge-watching on a laptop. Anyone moving up from entry-level headphones — or stepping down from a more expensive pair that has worn out — will find this model a sensible everyday workhorse.

About 1MORE

1MORE was founded in 2013 by three former Foxconn executives with backing from Xiaomi, establishing its main operations in Shenzhen, China and a second headquarters in San Diego, USA. The brand has built its reputation on a "premium audio, low price" philosophy, earning design recognition from iF, Red Dot, VGP, and CES over the years. The SonoFlow Pro HQ51 continues that approach, packing features typically reserved for higher-priced competitors into a sub-$100 package.