Fosi Audio K5PRO (Headphone/Earphone) Amplifier with Microphone Function Compatible with PS5/Switch/PC/Mac/SP Purchased new. Can be used with a headset. Used it for Fortnite. The soundstage is a bit narrow, allowing you to lock onto enemies in close-range combat. You can adjust the high/low tones simply by connecting it. Used for a short period. In excellent condition. No smoking, no pets.