Hell I need to be able to plug two electric guitar and two mics to my PC or othe stuff like speakers... but when i try to plug them through some separator jacks i cant hear any sound

somebody asid i need mixers... so i looked in my store but there were onyl very expencive ones... and i just need something to practice with my friend...

what shall i need... a mixer???
any good advice?? schematics??
Tascam do some budget 4 tracks which would suit your need.
ESP M-1 - Dimarzio Super3
Ibanez RG3270 ToneZone/Blue Velvet/Paf Pro
Ibanez RG1527
Mercer Blackmachine Replica

Diezel Herbert
Diezel Einstein Combo
TC GMajor

Gain Wh0re and Diezel Mafioso