Jwin Jhv100B Closed-Type Pro Digital Studio Monitor Headphones (Discontinued by Manufacturer) Two-Way Satellite Speakers With 3 Midrange &amp; .75 Dome Tweeter For Harhkts18 Powerful 40Mm Neodymium Magnet Drivers Dual-Side Volume Controls Freq Resp: 18 Hz22 Khz Extra-Wide Flexible Headband