1. Igwe okwu magnetik nwere electromagnet nwere isi ígwè a na-agagharị agagharị n'etiti ogidi abụọ nke magnet a na-adịgide adịgide. Mgbe ọ dịghị ọkụ eletrik na eriri electromagnet ahụ, isi ígwè a na-agagharị agagharị na-adọta site na mmasị ọkwa nke ogidi magnet abụọ nke magnet a na-adịgide adịgide ma na-anọgide na-eguzo n'etiti; Mgbe ọkụ eletrik na-agafe na eriri ahụ, isi ígwè a na-agagharị agagharị na-aghọ magnet mmanya. Site na mgbanwe nke ntụziaka ugbu a, polarity nke magnet mmanya ahụ na-agbanwekwa n'otu aka ahụ, nke mere na isi ígwè a na-agagharị agagharị na-agbagharị gburugburu fulcrum, a na-ebufekwa mkpọtụ nke isi ígwè a na-agagharị agagharị site na cantilever gaa na diaphragm (kọn akwụkwọ) iji kwaga ikuku ka ọ maa jijiji n'ọkụ.

2. Igwe okwu Electrostatic Ọ bụ igwe okwu nke na-eji ike electrostatic agbakwunyere na efere capacitor. Banyere nhazi ya, a na-akpọkwa ya igwe okwu capacitor n'ihi na elektrọd dị mma na nke na-adịghị mma dị iche na ibe ha. A na-eji ihe abụọ siri ike ma sie ike dị ka efere edobere, nke nwere ike ibufe ụda site na efere ahụ, a na-ejikwa ihe dị gịrịgịrị na nke dị mfe mee efere etiti dị ka diaphragm (dị ka diaphragm aluminum). Hazie ma sie ike gburugburu diaphragm ma debe anya dị ukwuu site na osisi edobere. Ọbụna na diaphragm buru ibu, ọ gaghị adakọ na osisi edobere.
3. Ndị ọkà okwu Piezoelectric A na-akpọ ọkà okwu nke na-eji mmetụta piezoelectric nke ihe piezoelectric na-agbanwe agbanwe a na-akpọ ọkà okwu piezoelectric. Ihe na-eme ka dielectric (dị ka quartz, potassium sodium tartrate na kristal ndị ọzọ) na-agbanwe n'okpuru nrụgide, na-akpata ọdịiche dị n'etiti nsọtụ abụọ nke elu ahụ, nke a na-akpọ "mmetụta piezoelectric". Mmetụta ya na-agbanwe agbanwe, ya bụ, mgbanwe elastic nke dielectric dị na mpaghara eletriki, ka a na-akpọ "mmetụta piezoelectric inverse" ma ọ bụ "electrostriction".