Active stereo set for direct mounting to a projector ceiling mount, stand-alone setup on a conference table or wall mounting (accessories required) Specifications: - Power: 2 x 10 W - Broadband speaker: 2 x 2.75" - Frequency: 155 Hz - 20 kHz - AC adapter plug: 100 - 240 VAC, 50/60 Hz, 12 VDC, 2 A - Audio cable: 3.5 mm jack/jack, 1.5 m - Dimensions: 25 cm diameter, 9 cm height - Weight: Approx. 1.2 kg - Features: Round pole adapter (35-50 mm diameter), square pole adapter (40 mm)