Microphone and Headphone Audio Mixer - Studio Mixers and Interfaces
Boytone BT-10RD Wired Over Ear Headphones Studio Monitor & Mixing DJ Stereo Headsets with 50mm Drivers and 1/4 to 3.5mm Audio Jack for Audio Mixer Computer, Phone, Guitar, Laptop, Amplifier: Amazon.co.uk: Musical
1/8" aux Input Mixing 2 in 4 Channel Way Out Headset Box Headphone Amplifier 3.5