General BrandPolk-Audio ModelReserve R600 Colorblack Specifications Transducer1″ Ring Radiator
Two 6 ½” Turbine Cone
Minimum Impedance4.0 ohm Sensitivity87.5 dB SPL Designed for R900Yes Frequency Response38 Hz – 38 kHz Dimension Dimension280.7 mm x 1063.8 mm x 381.6 mm Weight21.5 kg