1more SonoFlow PRO HQ51 Black Wireless On-ear headphones

1MORE SonoFlow Pro HQ51 — Hi-Res Wireless ANC Headphones at a Budget Price

The 1MORE SonoFlow Pro HQ51 is a closed-back over-ear wireless headphone built around 40 mm diamond-like carbon dynamic drivers and QuietMax dual-feed active noise cancellation. It carries dual Hi-Res gold certification and supports the LDAC codec, which streams roughly three times the data of standard Bluetooth. The SonoFlow Pro HQ51 is positioned as a budget-friendly alternative to flagship ANC headphones from Sony, Bose, and Sennheiser, while still offering the headline features most listeners look for.

What Sets This Headphone Apart

Two technical choices make this model stand out in its price bracket. The 40 mm drivers use a diamond-like carbon (DLC) diaphragm — a stiff, lightweight material more commonly found in higher-tier headphones — paired with a frequency response extending up to 40 kHz for Hi-Res Wireless playback. QuietMax dual-feed ANC combines feedforward and feedback microphones to cut external noise by up to 45 dB, with a transparency mode for hearing surroundings. A hard travel case ships in the box, which is unusual at this price point.

Technical Specifications

Every spec below is drawn from the manufacturer's listing and confirmed by independent reviews, explaining why the SonoFlow Pro HQ51 punches above its weight in the sub-$100 wireless ANC category.

• Drivers: 40 mm diamond-like carbon dynamic drivers — frequency response up to 40 kHz for Hi-Res Wireless playback
• Active Noise Cancellation: QuietMax dual-feed ANC — reduces external noise by up to 45 dB, with adjustable transparency mode
• Battery Life: up to 100 hours (ANC off) / 65 hours (ANC on) — 5-minute quick charge adds 10 hours of playback
• Bluetooth: 5.4 with multipoint pairing — supported codecs include SBC, AAC, and LDAC
• Foldable Travel Design: the frame folds flat and ships with a hard travel case — protein leather ear cushions with memory foam padding keep the 246 g build comfortable for hours-long listening sessions

Who This Headphone Is For

This model is the right choice for commuters, remote workers, and frequent flyers who need effective noise cancellation, long battery life, and Hi-Res Wireless audio without paying flagship prices. It suits listeners streaming from LDAC-capable Android devices who want a clear upgrade in detail over standard SBC or AAC Bluetooth. Students and home listeners will appreciate the protein leather ear cushions and 246 g build for all-day wear. Owners of flagship ANC headphones will also find it useful as a travel-friendly backup that can survive being tossed in a backpack.

About 1MORE

1MORE was founded in 2013 by three former Foxconn executives who set out to challenge established audio brands with more affordable products, backed by early investment from Xiaomi. The company is headquartered in Shenzhen, China, with a second office in San Diego, USA, and has earned design and audio awards from iF, Red Dot, VGP, and CES. This headphone continues that "premium audio, low price" philosophy, with sound tuning by Grammy-winning engineer Luca Bignardi.