Forbes | 2021 Gift Guide: 10 Great Gifts for Music Lovers

"The Questyle M12 mobile headphone amp with DAC is a nice option. It’s tiny (the size of a thumb drive), affordable ($139.99), and pretty stylish looking with its anodized aluminum enclosure. Most importantly, it does the job of making good wired headphones sound even better when connected to devices like smartphones, tablets, and laptops.”