headphone model headphone class  driver - matched db                           construction            earpads                             termination  us msrp
0          igrado        prestige                 0.10                                plastic       comfort pads                     1 / 8 (3.5 mm) plug       49
1           sr60i        prestige                 0.10                                plastic       comfort pads  1 / 8 (3.5 mm) plug with 1 / 4 adaptor       79
2           sr80i        prestige                 0.10                                plastic       comfort pads  1 / 8 (3.5 mm) plug with 1 / 4 adaptor       99
3          sr125i        prestige                 0.10                                plastic       comfort pads                     1 / 4 (6.5 mm) plug      150
4          sr225i        prestige                 0.05                                plastic              bowls                     1 / 4 (6.5 mm) plug      200
5         sr325is        prestige                 0.05  aluminum alloy / plastic inner sleeve              bowls                     1 / 4 (6.5 mm) plug      295
6            rs2i       reference                 0.05                hand - crafted mahogany              bowls                     1 / 4 (6.5 mm) plug      495
7            rs1i       reference                 0.05                hand - crafted mahogany              bowls                     1 / 4 (6.5 mm) plug      695
8         gs1000i       statement                 0.05                hand - crafted mahogany  circumaural bowls                     1 / 4 (6.5 mm) plug      995
9           ps500    professional                 0.05     hand - crafted mahogany / aluminum              bowls                     1 / 4 (6.5 mm) plug      595

Table as JSON:
{"headphone model":{"0":"igrado","1":"sr60i","2":"sr80i","3":"sr125i","4":"sr225i","5":"sr325is","6":"rs2i","7":"rs1i","8":"gs1000i","9":"ps500"},"headphone class":{"0":"prestige","1":"prestige","2":"prestige","3":"prestige","4":"prestige","5":"prestige","6":"reference","7":"reference","8":"statement","9":"professional"},"driver - matched db":{"0":0.1,"1":0.1,"2":0.1,"3":0.1,"4":0.05,"5":0.05,"6":0.05,"7":0.05,"8":0.05,"9":0.05},"construction":{"0":"plastic","1":"plastic","2":"plastic","3":"plastic","4":"plastic","5":"aluminum alloy \/ plastic inner sleeve","6":"hand - crafted mahogany","7":"hand - crafted mahogany","8":"hand - crafted mahogany","9":"hand - crafted mahogany \/ aluminum"},"earpads":{"0":"comfort pads","1":"comfort pads","2":"comfort pads","3":"comfort pads","4":"bowls","5":"bowls","6":"bowls","7":"bowls","8":"circumaural bowls","9":"bowls"},"termination":{"0":"1 \/ 8 (3.5 mm) plug","1":"1 \/ 8 (3.5 mm) plug with 1 \/ 4 adaptor","2":"1 \/ 8 (3.5 mm) plug with 1 \/ 4 adaptor","3":"1 \/ 4 (6.5 mm) plug","4":"1 \/ 4 (6.5 mm) plug","5":"1 \/ 4 (6.5 mm) plug","6":"1 \/ 4 (6.5 mm) plug","7":"1 \/ 4 (6.5 mm) plug","8":"1 \/ 4 (6.5 mm) plug","9":"1 \/ 4 (6.5 mm) plug"},"us msrp":{"0":49,"1":79,"2":99,"3":150,"4":200,"5":295,"6":495,"7":695,"8":995,"9":595}}