Koss Brand headphones, model UR20 Dynamic element for extended frequency response of 30-20,000 Hz.

The K240 Studio professional semi-open studio headphones are designed for professional applications such as mixing, mastering and playback. Advanced XXL drivers with Varimotion diaphragms offer a wide dynamic range, increased sensitivity and high sound levels.

4 Channel Portable Stereo Headphone Amplifier - Professional Multichannel Mini Headphone Splitter Amplifier with Balanced 4 ¼ ”TRS Headphone Output Jack and 1/4" TRS Audio Input for Sound Mixer - Pyle PHA40 BLACK

VIVO dual monitor desk stand, fully adjustable heavy duty stand, fits 2 LED LCD screens up to 30 inches, black, STAND-V002

DSP digital audio processor, which can be configured for use in AM and FM stations. There will be a future option to include cards, to expand their functionality.

Pyle Rack mount studio preamplifier - Audio receiver system with digital LCD display Bluetooth FM radio recording mode, remote control, USB flash or SD card reader

comica LINKFLEX AD2 XLR - Microphone preamp adapter with 48 V phantom power, real-time monitoring, guitar interface adapter for iPhone, smartphone