These Skytec CSA-215 speaker consist of polynuclear 15" active PA speakers with robust construction and widespread functionality.
Input options include a 6.3mm jack to connect microphones to the speakers, and two RCA inputs and outputs can receive or send audio signals.Their sturdy wooden cabinets with felt covers, handles, and metal bumper edges make these speakers ideal for use on the road.The peak power of the Skytec CSA-215 PA speaker is 1600W.

Active 2 x 15" (38 cm) PA speakers with built-in amplifier and 1600W max performance RCA line inputs and outputs to integrate external audio devices and link with other systems 2 jack microphone inputs with separate echo effect and volume control Robust 2-way bass reflex cabinet with felt cover, metal bumper edges, speaker guard and carrying handles
Connections: 1 x 6.3mm jack input, 2 x 6.3 mm jack microphone input, 2 x RCA stereo line input, 2 x stereo RCA line output Frequency response: 35Hz - 20kHz Bass control Treble control Echo control Microphone volume knob Power button on the rear side.   Power Supply: AC 220-240V, 50Hz
English user manual, other languages: German, Italian, French