My suggestion:fluffy_little_something wrote:Yes, it seems those brands are for professional studios. I get the impression you are looking for normal quality consumer products instead, though. Steinberg, Zoom, Roland, etc.
Extremely compact size (around 10cm x 10cm)
24bit 96/192KHz
1 max 2 input line-mic-guitar I/O
USB2.0
Examples:
ICON CUBE MINI
ALESIS CORE1
FOCUSRITE VRM Box
ESI Ugm96
These are WAAAAY more than enough for his needs, all around $80-100 and all good quality devices. I would not spend more, in terms of latency and sound quality they do a very good work. Otherwise it's just wasting money (see the "Ferrari vs Golf" allegory I posted above).