DS18 8XL800-4 XL 8″ Mid-Range Loudspeaker 400 Watts Rms 4-Ohm DS18’s 8XL800-4 is power and precision personified. Designed for an unparalleled sound experience, this speaker is sure to change the way you experience music. DS18’s 8XL800-4 stands head and shoulders above the mid-range competition