GSM-158015 Woofer- 17 x 5 horn, four 3� tweeters- 175 watts RMS- Push button connectors & dual 1/4� input jacks- 8 ohms impedanceGPA-3000Professional Power Amplifier- Bi-polar output stage technology for thefinest sound quality and reliability- High output power to drive professionalloudspeakers without clipping- Comprehensive protection circuitry withprotect LED indicator *-1/4�TRS & XLR balanced/unbalanced inputs- SpeakonTM & 1/4� speaker outputs-Three modes of operation � stereo,parallel mono, and mono bridge- Ground lift switch- Decibel (dB) level meter with clip LEDs- Selectable voltage for worldwide operation- Dual aluminum extrusion heat sinkdesign with directly mounted outputtransistors for no-fault operation- Air guide with front-to-rear airflow andcooling fan for thermal stabilityand reliability- Compact 2U well balanced enclosure- Steel reinforced chassis- Frequency Response of 30Hz � 50 kHz- Signal to Noise Ratio of 100 dB belowrated power at 8 ohms |