Comprising of 4 Models in Ferrite ,the INDRA series uses Y25 & Y30 grade Magnets, Taiwan Paper and Spider plus 2 layer copper wire on Glass Fibre Polyamide Voice coils and can deliver fantastic SPL's. The tonal quality is further enhanced by using heavy duty cast aluminium frame ensuring increased rigidity. The optimized ferrite motor produces a strong and symmetrical flux density in the gap, allowing high value of SPL, thrilling dynamics and very low distortion. The monsterous 18” (1810) driver has an output of 1000W RMS delivering peak performance & a very good punch. There is a 4” voice coil fitted into the Indra 1810 which make it ideal for sound reinforcement for bass & subsThe Indra 158 & Indra 156 are mid bass drivers that can really rock a variety of applications and functions. The tonal quality on these amazing speakers very clean and delivers great results. The Indra 158 is a 15” 800W speaker whereas the Indra-156 is a 600W Mid Bass Driver.