ActivSoundBar for Interactive Display, 2 x 20W RMS Features: ActivSoundBar compatible with the Promethean ActivPanel, ActivPanel i-Series, ActivBoard Touch, and ActivBoard models. 2 x 20W RMS Speakers 50Hz - 20KHz Frequency 100–240 V, 50-60 Hz Power 1-Year Return for Repair Warranty Specifications: Total Speaker Power 2 x 20 W RMS Speaker Sizes 2 x 3” and 2 x 1” per channel Frequency Response 50 Hz - 20 KHz Signal to Noise ≥ 80 dB Promethean System Compatibility ActivPanel; ActivPanel i-Series; ActivBoard Touch; ActivBoard RCA In x2 RCA In 3.5 mm x1 RCA Out x1 Power Requirements 100 - 240 V 50/60 Hz Power Standby ≥ 0.5 W Automatic Standby Delay 2 Hours Product Dimensions 38.9 x 2.7 x 3.5 in Packed Dimensions 42.5 x 5.5 x 5.1 in Net Weight 6.4 lbs Packed Weight 8.8 lbs Regulatory Certification CE, FCC, IC, ETL, CB ,RCM, CCC, PSB, EAC, BSMI Warranty Standard 1-Year Warranty