DAP-Audio SPE-225 speakercable 2 x 2,5 mm, 100 m on spool, conductor drains OFC 2 x 2,5 mm, conductor construction strands 2 x 7 x 24 x 0,14, conductor insulation PVC 2 x 4mm, conductor resistance Ohm/m 0,01, outer insulation 4 x 8 (PVC black & black/red), working temperature:-10~60 degrades C (min. / max.), voltage overflash 250V, minimum order length 100 m on spool.