The HS-20 is double re-entrant loudspeaker which delivers 20-watts of continuous power handling. The HS-20 has operates within nominal frequency response range of 380Hz to 6.5KHz and offers sensitivity of 106dB at 1 watt, 1 meter to provide clear voice intelligibility, signal communication and efficiency. Robust weather-resistant aluminium construction and finished in grey epoxy for reliability both indoor and outdoor use.