[Combo Inputs]2in-2out USB Audio Interface has Combo input sockets that can connect microphones&guitar and instruments or line-level signals. Combo sockets accept both XLR and inch (6.35 mm) jacks. Microphones connect using XLR plugs; instruments and line-level signals should be connected via inch (6.35 mm) jack plugs of either or type.[ Line Outputs] USB audio interface has LEFT and RIGHT 2 x inch (6.35 mm) jack sockets are on the rear panel; they can connect to powered studio monitors to monitor directly.[ DIRECT MONITOR]USB audio interface has a MONO and STEREO switch (two direct monitoring modes), you can monitor directly through the preamp input, so you will get a completely delay-free sound that can accurately hear and process your recordings in real-time.[ 24 Bit/96k - Hz Professional Audio Quality ]This is the best way to get sound into your computer and it could also improve sound quality. If you have got mics in your studio and an electric guitar and you want to record them on your computer, but your computer doesn’t have the right inputs, the USB audio interface solves this problem. - Upgraded Recording Quality - High-quality conversion (24Bit/96k - Hz) is the key to achieving high-quality audio. - With AR004 USB-C interface, excellent analog-to-digital conversion can be achieved. - AR004 allows zero-latency monitoring, and directly control all internal recordings and settings. - This is the best way to get sound into your computer and it could also improve sound quality.2 OUTPUTSStereo headphone output inch jack on front panel. - If your headphones have a inch jack plug, connect them directly; if they have a 3.5 mm inchmini jack inch, use a inch-to-3.5 mm jack adaptor. - Note that it is likely that headphones fitted with 4-pole TRRS plugs will not operate correctly. - LINE OUTPUTS LEFT and RIGHT:2 x inch (6.35 mm) jack sockets on rear panel; connect to powered studio monitors.Weight:470gL x W x H:175 mm x 120mm x 47mm - Stereo headphone output: inch jack on front panelcolor: red - Material: Aluminum alloy - Package Contents:1 x USB Audio Interface1 x cable - Only the above package content, other products are not included. - Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.