| 
    
        
            | Specifications | PC-458R | PC-658R |  
            | Rate Input | 6W (100V line), 3W (70V line) |  
            | Impedance | 100V line: 1.7kΩ(6W), 3.3kΩ(3W), 10KΩ(1W) 70V line: 1.7kΩ(3W), 3.3kΩ(1.5W), 10KΩ(0.5W) |  
            | Sound   Pressure Level (1W, 1m) | 90dB |  
            | Frequency   Response | 100-18,000 Hz | 65-18,000Hz |  
            | Finish | Baffle: Polypropylene resin, white Grille: Surface-treated steel plate net, white |  
            | Dimensions | Ø 168x77 mm. | Ø 192x73 mm. |  
            | Weight | 470g. | 500g. |  |