ISV - Interleaved Sandwich Voice Coil
TTC - Tetracoil Double Voice Coil
SDR - Single Demodulating Ring
DDR - Double Demodulating Rings
ACS - Active cooling System
AIC - Active Impedance Control
EWAL - Edge Wound Aluminum Voice Coil
TPM - True Piston Motion
3P - Proprietary Phase Plug
DSS - Double Silicon Spider
TSS - Triple Silicon Spider
ESS - Elliptical Shape
iD - Class D Optimization
IPAL
