The Apogee Jam+ Kit is an interface with a single 1/4" instrument input. Compatible with various devices the JAM+ delivers signal to your ultimate destination via the USB port, though a 3.5mm headphone output is also on hand for monitoring your signal from the interface. The Jam+ utilizes Apogee's PureDIGITAL connection to ensure clear and precise sound quality, doing so at resolutions and sample rates of up to 24-bit / 96 kHz. An overdrive mode on the unit lets you drive the input with a little more gain. This can give virtual amplifiers and guitar-based digital effects more of a realistic sound. This plug-and-play interface works out of the box with every devices nd includes BIAS FX Jam software from Positive Grid to get you going on guitar tones. The Jam+, however, works with more than just electric guitars. It works with synths, basses, keyboards, or any acoustic instrument with a pickup. Dynamic microphones can also plug into the device, provided you have a suitable adapter in your possession already. Paired with the K240 Studio headphones from AKG feature a semi-open circumaural design and use patented Varimotion technology and extra-large transducers to deliver extremely precise and detailed sound. Box Contains Apogee Electronics JAM Plus Instrument Interface Positive Grid BIAS FX Jam Software Micro-USB Type-B to Lighting Cable Micro-USB Type-B to USB Type-A Cable Micro-USB Type-B to USB Type-C Cable AKG K240 Studio Pro Headphones Gold-Plated 1/4" Adapter Detachable Cable