DS18 PRO-HY6.4B 6.5" Hybrid Mid-Range Car Audio Loudspeaker 450W 4 Ohm 1 Speaker. DS18 PRO-HY8.4B 8" Hybrid Mid-Range Car Audio Loudspeaker 500W 4 Ohm 1 Speaker. DS18 PRO-X8M Loudspeaker - 8" Car Speaker Midrange 550W Max 275W RMS 8 Ohms.
eBay