[. . . ] Reproduction or publication of the content in any manner, without express permission of the publisher, is prohibited. [. . . ] This is potentially dangerous and should only be carried out by technicians who have perfect knowledge of the techniques and regulations of rigging speakers!Attention: when a second speaker is connected, the impedance drops from 8 to 4!However, if your amplifier supports 2 loads, you can connect up to 4 cabinets to each amplifier output. Cables to be used: You can use readymade cables such as our JB SYSTEMS codes 2-0505 (5m) or 2-0510 (10m) or 2-0525 (25m). Be sure to connect the same colour on each side of the cable to the corresponding contact!If you inverse the conductors, poor sound quality with a lack of low frequencies will be the result. For this purpose you can use heavy duty eyebolts with metric M8 thread. In most cases 2 cables will be attached to the top and one is used to pull up the back. [. . . ] Stevige, lichte klankkast uit Polypropyleen Perfect voor permanente installaties Perfect voor mobiel gebruik High power 15" Woofer High power 1, 75" Titanium Compressie Driver & Hoorn Ingebouwde ophangpunten Ingebouwde stand adapter Dubbele Speakon compatibele aansluiting Stevig ingebouwd handvat Stevige rubberen voeten. [. . . ]