http://www.bestbuy.com/site/bose-free-space-50-w-outdoor-speaker-pack-of-2-green/5674941.p?id=1055388008634&skuId=5674941Compatibility• Compatible with amplifiers or receivers rated 4 to 8 ohms
• 50W IEC continuous power-handling compatible with receivers and amplifiers rated 10-100W
Environmental capabilitiesDesigned to withstand:
• Salt fog, sun, high humidity (rain and snow)
• Temperature extremes (-40°F to 158°F; -40°C to 70°C)
• Permanent outdoor installation
Cord recommendationsBased on maximum frequency response deviation of ±0.5 dB
Gauge Length
18 (0.82 mm2) 20 ft (6 m) maximum
16 (1.3 mm2) 30 ft (9 m) maximum
14 (2.1 mm2) 50 ft (15 m) maximum
12 (3.3 mm2) 80 ft (24 m) maximum
Use direct-burial cable for outdoor installations.