The SIGMA S215 Dual 15" 1400 W Quasi 3-Way Active Speaker is designed for venues that demand high SPL and low-range response. Loaded with two 15" woofers designed to handle considerable loads, the S215 is specifically designed for such scenarios.uasi 3-Way Active Speaker 2 x 15“/1.4“, 1400 WMany venues demand high SPL and low-ranging response.However, a fullrange enclosure is often the only viable option for some of these applications. 

Loaded with two 15“ woofers designed to handle considerable loads, the S215is the solution of choice for such scenarios.