BEHRINGER XENYX 502 Premium 5-Input 2-Bus Mixer w/Micro Preamp No Power Supply : สำนักงานสิทธิประโยชน์ มหาวิทยาลัยรังสิต
Behringer XENYX 502S - Zajáruház
Behringer UB502 / Xenyx 502 modifications
How to hook up an audio mixer to a PC - Introduction to Behringer Xenyx 502 [English/HD] - YouTube
Behringer XENYX 502 5-Channel Audio Mixer and Platinum Bundle w/ Stereo Headphones, Home Recording for Musicians for Dummies, 5X Cables, and Fibertique Cloth" - Walmart.com