Cov suab paj nruag yog suab paj nruag uas siv cov twj suab paj nruag, cov twj paj nruag thiab cov cuab yeej suab paj nruag. Feem ntau, qhov txawv txav ntawm cov suab tsim tau siv cov tshuab electromechanical (electroacoustic music), thiab ua rau siv hluav taws xob nkaus xwb. Electromechanical instruments muaj xws li cov khoom siv dag zog, xws li cov hlua, hammers, thiab hais txog, thiab cov khoom fais fab, xws li sib nqus pickups, power amplifiers thiab loudspeakers. Piv txwv ntawm electromechanical suab ua khoom muaj xws li lub xov tooj cua, cov kab xev, thiab qhov ntaus guitar, uas feem ntau ua tau zoo txaus rau cov neeg ua yeeb yaj kiab thiab cov neeg tuaj mloog los mloog nrog cov twj paj nruag thiab cov lus sib tham. Cov seev suab hauv hluav taws xob tsis muaj vibrating cov hlua, hammers, los yog lwm lub suab tsim tawm mechanisms. Cov cuab yeej xws li cov kws kho mob, cov khoom siv, thiab lub tshuab hlwb hlau tuaj yeem tsim hluav taws xob.

Tsis muaj cov khoom muaj nyob txuam koj xaiv.