Dayton Audio DAEX25X4-4 Bullfrog Vented Disc Spider 25mm x 4 Exciter with 320mm Cable 40W 8 Ohm;

Dayton Audio's unique DAEX25X4-4 exciter assembly employs an array of four separate exciters coupled together with a frame. This combined motor strength actuates an area larger than what conventional exciters can drive, resulting in higher power handling and more output.