1more SonoFlow PRO HQ51 Blue Wireless On-ear headphones

Wireless ANC Headphones with Hi-Res Sound and Marathon Battery

The 1MORE SonoFlow Pro HQ51 Blue is a closed-back over-ear Bluetooth headphone delivering studio-quality sound at a budget-friendly price. It packs 40mm diamond-like carbon dynamic drivers, QuietMax active noise cancellation, and LDAC Hi-Res wireless audio into a lightweight, foldable design. Tuned by Grammy-winning engineer Luca Bignardi, it offers a natural, balanced listening experience that competes with headphones costing three times as much.

What Makes the SonoFlow Pro HQ51 Stand Out

The diamond-like carbon (DLC) driver diaphragm is unusual at this price — DLC coating gives the 40mm drivers diamond hardness for reduced distortion and extended high-frequency response up to 40 kHz. QuietMax dual-feed ANC uses feedforward and feedback microphones to reduce external noise by up to 45 dB, effective in subways, airports, and busy offices. The included hard case and folding hinges make it genuinely portable for daily commuting or travel.

Technical Specifications — Built for Everyday Listening

The combination of long battery life, modern Bluetooth, and Hi-Res codec support makes the HQ51 a practical choice for daily use across work, travel, and relaxation.

• Driver Size: 40 mm diamond-like carbon dynamic drivers — frequency response up to 40 kHz for Hi-Res detail
• ANC Technology: QuietMax dual-feed active noise cancellation — reduces external noise by up to 45 dB
• Battery Life: up to 100 hours (standard mode), 65 hours with ANC — plus 5-minute quick charge for 10 hours
• Bluetooth: version 5.4 with LDAC, AAC, and SBC codec support — stable connection up to 10 m
• Weight: 246 g — lightweight over-ear design with protein leather ear cushions

Who Should Buy the SonoFlow Pro HQ51

The 1MORE SonoFlow Pro HQ51 is the right choice for commuters, remote workers, and budget-conscious listeners who need long battery life and effective noise cancellation without flagship pricing. It suits travelers blocking plane and train noise, students needing all-day comfort for study sessions, and casual listeners wanting Hi-Res LDAC audio. The folding design and hard case make it easy to carry, while the 3.5mm jack provides a wired fallback for in-flight entertainment systems.

About 1MORE — Premium Audio at Accessible Prices

1MORE was founded in 2013 by three former Foxconn executives with backing from Xiaomi, with headquarters in Shenzhen, China, and San Diego, USA. The brand's "premium audio, low price" philosophy has earned recognition from institutions including iF, Red Dot, VGP, and CES. The HQ51 continues this approach by bringing flagship-tier features to a sub-$100 price point.