Pareja Altavoces Polk Audio RTI 8 Estado Impecable estetico y funcional DRIVER COMPLEMENT: 2 - 6 1/2"(16.5cm) drivers 1 - 1"(2.5cm) tweeter OVERALL FREQUENCY RESPONSE: 30Hz-27kHz -3dB LIMITS: 40Hz-26kHz RECOMMENDED AMPLIFICATION: 20-250 watts/channel EFFICIENCY (1M,1W): 90dB IMPEDANCE: Compatible with 8 Ohm Outputs CROSSOVER FREQUENCY: 2.2kHz CROSSOVER SLOPE: mid bass LP: 12dB/octave tweeter HP: 18dB/octave ENCLOSURE TYPE: vented with rear PowerPort & ARC Port AVAILABLE FINISH: Black Oak and Cherry Veneer DIMENSIONS (INCLUDES GRILLE + POWERPORT): 41 5/8"H x 7