PreSonus CDL12CDL12 Constant Directivity: Consistent, Coherent Sound The PreSonus CDL12 is the result of years of research and development, combining the best attributes of point source and line array technology into a unique patent pending design. Based on the Constant Directivity Two Way Loudspeaker System design presented at the 143rd AES Convention in New York by Hugh Sarvis and Don Keele, the CDL12 radiates a highly focused pattern with consistent SPL

StudioLive 312AI relies on a 12-inch ferrite woofer for low frequencies and a custom-designed

Built-in two-channel mixer offers ultimate flexibility

All Karaoke-Thunder series models are battery powered and have both guitar and microphone inputs

easy installation with included tile bridge and mounting ring

6 in (269 mm) Dimensions (depth x diam

StudioLive 315AI

An adjustable (0

without notification

with the built-in Studio Quality Digital Key Controller

5" W x 19" D x 8

} Column speaker sub US

4 stereo-linkable return channels*