Pure Resonance Audio ComfortCard USB Sound Masking Generator River

The Pure Resonance Audio ComfortCard USB Sound Masking Generator – River is a compact plug-and-play audio device designed to inject calming river soundscapes into your existing mixer or amplifier. With soothing water and birdsong ambience, it eases distraction and enhances speech privacy in offices, wellness centers, spas, and other professional environments.

Simply insert the ComfortCard into a USB port on a compatible mixer or amplifier and begin playing natural river sounds with minimal setup. Its ultra-slim form factor allows discreet installation behind furniture, under desks or above ceilings, making it ideal for modern workspace retrofits requiring effortless ambient sound control.

From open-plan offices to call-centers, hospitality lounges to therapy rooms, the ComfortCard River model offers a low-maintenance solution to manage acoustics, reduce intelligibility of private conversations, and promote a more comfortable, focused environment.

Key Features

• USB Plug-In Design: Insert into a standard USB port for instant ambient sound playback.
• Natural River Soundscape: Includes relaxing river and birdsong ambience for subtle sound masking.
• Ultra Compact: Credit-card sized and only ~0.15″ thick for hidden installation flexibility.
• No Dedicated Amplifier Required: Works with existing audio systems via USB input.
• Commercial-Grade Use: Designed for offices, wellness spaces, hospitality venues, and other professional applications.

Technical Specifications

• Sound Type: River ambience with birdsong
• Connector: USB (5 V) interface
• Installation: Plug-and-play via USB; connects to an audio system with USB input
• Dimensions: ~3.27 × 2.05 × 0.15 Inches (H × W × D)
• Weight: ~0.30 lbs (0.14 kg) (Estimated)