Profile: GCI Technologies Corporation is associated with audio equipment and accessories. Our products include speakers, mixers, amplifiers, headphones and road cases. The GVX-15P powered speaker is a 2-way bi-amplified, optimized active loudspeaker system with high output titanium driver. It offers a linear frequency response of 50Hz to 20KHz. The XP-6000 power amplifier has auto limitation circuit built in for amp output protection. It has bridge control switch, DC output protection & short circuit protection and ground lift switch.