QuadSound HM-4: Superior 4-Way Headphone Amp Mixer Interior Accessories and smart reminders help you

and smart reminders help you stay active and rested

Smudge-Free Assurance: The advanced oleophobic layer repels fingerprints and oily smudges

blending seamlessly with your attire while withstanding daily use

0 secures a stable connection up to 10 meters

Lightweight & Comfortable: Slim profile keeps your phone pocket-friendly

QuadSound HM-4: Superior 4-Way Headphone Amp Mixer Interior Accessories and smart reminders help youMackie HM Series 4 Way Headphone Amplifier Mixer Accessory Enhance your audio experience with the Mackie HM Series 4 Way Headphone Amplifier Mixer Accessory. Designed with both professionals and audio enthusiasts in mind, this compact and robust amplifier delivers exceptional sound clarity and versatility. The HM 4 model supports a single channel input for up to four pairs of headphones, allowing multiple users to listen to the same audio source